Unit 8 progress check mcq ap bio

In a certain small mammal, fur color is controlled by a pair of alleles, with B being dominant over b. The genotypes BB and Bb result in dark-colored fur, the genotype bb results in light-colored fur. A population of the species has the following allele frequencies: B=0.85 and b=0.15. If a fire caused the surface of the ground in the habitat of ...

a. Nitrogen – ionic nitrogen in the soil. b. Water – atmospheric water vapor. c. Carbon – dissolved CO2 in aquatic ecosystems. d. Phosphorous – sedimentary rocks. Subtraction of which of the following will convert gross primary productivity into net primary productivity? a. the energy contained in the standing crop. A) Chemicals that are secreted from antigen-presenting cells then activate helper T cells. B) A macrophage cell engulfs a pathogen in the blood. C) Antigens attaching to receptors on memory B cells stimulate the memory B cells to become plasma cells. D)vAntigen-presenting cells engulf antigens at the first exposure.The increase in atmospheric CO2 resulted in a greater increase in plant growth under stressed conditions than under ideal conditions. Study with Quizlet and memorize flashcards containing terms like Figure 1 represents a segment of DNA. Radiation can damage the nucleotides in a DNA molecule. To repair some types of damage, a single nucleotide ... AP®︎/College Biology 10 units · 54 skills. Unit 1 Chemistry of life. Unit 2 Cell structure and function. Unit 3 Cellular energetics. Unit 4 Cell communication and cell cycle. Unit 5 Heredity. Unit 6 Gene expression and regulation. Unit 7 Natural selection. Unit 8 Ecology.Metformin is a drug used to treat type 2 diabetes by decreasing glucose production in the liver. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. Metformin activated AMPK in liver cells but cannot cross the plasma membrane. By blocking AMPK with an inhibitor, researchers found that AMPK activation is ...

A) The 5' and 3' labels at the end of each strand. B) The labeling of the hydrogen bonds between base pairs. C) The lines connecting sugars and phosphate groups that represent covalent bonds. D) The linear sequence of the base pairs. D) The linear sequence of the base pairs. Figure 1-1 represents a segment of DNA.Chemistry questions and answers. param college andre CollegeBoard AP Classroom Unit 8 Progress Check: MCQ Device Enrollment 0-0-0-0-0-0-0-0-0-0-0- - - - - - - - - <10 Question 1 Hd ö 10 20 30 40 50 60 70 80 90 Volume of NaOH Added (mL) HCNO is a weak acid with a pk.value of is greater than the concentration of HCNO the graph above shows the ...Nyack Senior High School. BIO 101. Scoring Guide Unit 4 Progress Check: MCQ AP Biology Page 11 of 17. 18. The relative amounts of present in the nucleus of a cell at four different stages of the life cycle are shown in Figure 1. Figure 1. Relative amounts of present in the nucleus of a cell Based on Figure 1, which of the following statements ...Unit 8 Progress Check Mcq Part B - Walk In Dogs. AP Calculus AB - Unit 3 Progress Check: MCQs & FRQ (part A). 15. S. Unit 8 AP Class PC MCQ B 3,4,6,7,8 3. AP Physics Unit 2 Progress Check: MCQ Part B 4.Phosphorus is used to make nucleic acids and certain lipids. Without phosphorus atoms, nucleic acids and lipids cannot be made for the plant to use for growth. A polypeptide is polymer of amino acids held together by peptide bonds. The process of dehydration synthesis creates these peptide bonds, as shown in Figure 1.

Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. ... Unit 10 Unit 10: AP®︎ Biology standards mappings. This unit does not include exercises ...The epidermal growth factor receptor EGFR is a cell surface receptor. When a growth factor binds to EGFR, the receptor is activated. The activated EGFR triggers a signal transduction pathway, which leads to increased frequency of cell division. Which of the following best predicts the effect of a mutation that causes EGFR to be active in the ...I have a 270 slide lecture of the immune system, circulatory system, and osmoregulation to go through before my test on Friday even though it's never on the AP tests. I just wish teachers would give us time to study for the AP test since that gets us college credit not our class grade. But no, I don't know how to find the answers.Study with Quizlet and memorize flashcards containing terms like (1) Competitive exclusion is most likely to occur between two (A) closely related species occupying different niches (B) closely related species occupying the same niche (C) related species occupying different habitats (D) unrelated species occupying different niches (E) populations of the same species, (2) If the larvae of a ...Unit 2 Progress Check: MCQ. 19. A study was conducted to understand the factors controlling the rate at which molecules or ions travel across cell. membranes. An artificial membrane was created that was composed of a phospholipid bilayer only. The speed at. which various substances crossed this membrane was measured.

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Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. That means it should take you around 15 minutes to complete 10 questions . The following questions were not written by College Board and although they cover information outlined in the AP Biology Course and ...APES Unit 8 Progress Check: MCQ Part A 5.0 (8 reviews) Term 1 / 21 Based on the diagram, which of the following processes most likely caused the algal bloom in the lake? ... AP Biology Practice Test: Unit 8 — Ecology Question 1 Which of the following environmental issues has the most impact on the distribution of local and global …View SG_Unit6ProgressCheckMCQ_625f030fd95fb8.625f0312377586.15504267.pdf from BIOLOGY AP Biology at Darien High School. AP BIOLOGY Scoring Guide Unit 6 Progress Check: MCQ In mammals, the dark colorWeek: Suggested Assignment on AP Classroom: Supplemental Resources: Week of March 23-27: ... Unit 8 Progress Check: MCQ Part B Unit 8 Progress Check: FRQ Part A

Active transport is the movement of substances up a concentration gradient that requires energy. In an experiment, cells were isolated from an aquatic plant and suspended in pond water, a sucrose sugar solution, or distilled water. All of the cells were then viewed under a microscope. Compared with the cell in the pond water, the cell in the ...Unit 8 Exam: AP Biology. 25 terms. karlj32. Unit 9 AP Biology. 166 terms. superlesliei. AP Biology Power Words. 27 terms. Rebecca_Dix17 TEACHER. A.P BIO unit 7 test. 39 terms. BuggaFoster. Other sets by this creator. GI and Renal Pharm. 62 terms. Rohan_Patel4. drugs. 64 terms. Rohan_Patel4. Psych 240 Exam 2. 103 terms. Rohan_Patel4.2 (c) Find the total distance that Gwen runs during the 45 seconds from time. to time (d) Let represent Gwen s acceleration during the time interval seconds. Find the value of d. Using correct units, explain the meaning of d in the context of the problem. Part A For the first point, supporting work stating that changes sign is required.AP BIO UNIT 6 FRQ. 8 terms. abbyconsiglio134. Unit 6 Progress Check: FRQ. 10 terms. The_Muffeen_Man. AP Biology Unit 6 MCQ. 24 terms. Images. Chanti_here. Sets found in the same folder. Chapter 17: From Gene to Protein. 84 terms. MegaTigerRawr. AP Biology Unit 1: The Chemistry of Life. 36 terms.11/1/22, 8:33 AM AP Lang Unit 8 Progress Check: MCQ Flashcards | Quizlet In the second and third sentences of the fifth paragraph ("He stops . . . gradual explanation"), the author presents a humorous reversal that emerges from an incongruity between the traveler's desire to surprise his friend and his friend's failure to recognize …Test Match Q-Chat Created by notjassi Terms in this set (21) In the mid-1920s, gray wolves, Canis lupus, were eliminated from Yellowstone National Park in the northwestern United States. Over the course of 1995 and 1996, 31 wolves from Canada were relocated to the park.An FPO/APO address is an official address used to send mail to a person stationed overseas while serving in the United States military. FPO stands for Fleet Post Office. APO stands for Air/Army Post Office.AP Bio Unit 4 MC - CollegeBoard. PAMELA ZABALA. 2.1K . plays. 24 questions. Copy & Edit. ... Multiple Choice. Edit. Please save your changes before editing any questions.The increase in atmospheric CO2 resulted in a greater increase in plant growth under stressed conditions than under ideal conditions. Study with Quizlet and memorize flashcards containing terms like Figure 1 represents a segment of DNA. Radiation can damage the nucleotides in a DNA molecule. To repair some types of damage, a single nucleotide ... Skin pigmentation will not be able to change, resulting in a negative selection pressure. Which of the following best explains a process occurring between point 1 and point 2 in Figure 3 ? A poly‑A tail is added to RNA. Researchers discovered a mutant form of the TYR gene with a deletion of a single guanine nucleotide in the beginning of the ...

Verified questions. biology. Differentiate f (N)= (b-1) N^ {4}-\frac {N^ {2}} {b} f (N)= (b−1)N 4 − bN 2 with respect to N. Assume that b is a nonzero constant. Verified answer. biology. Many ecologists have argued that the historic policy of preventing all wildfires in the western United States has affected the structures of western ...

Where can I find the other 24 questions for the AP Bio Unit 3 progress check - mcq This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. AP Biology Scoring Guide Unit 8 Progress Check: FRQ 0 1 The response indicates that 38% of the prey animals of the lions make up 63% of the consumed biomass, so if the availability of the very large animals becomes limiting, the leopards and lions will start to compete for prey (and this will be especially true of the medium-sized prey). cohesion. -H bonding between H2O creates it (sticky) -allows for the movement of water against gravity. -high surface tension. -water moves up a tree by transpiration (helped by ____) adhesion. -H2O molecules form H bonds with …A. The advent of new racial and other ideologies that justified exterminating minority populations. The developments illustrated by the poster were most directly motivated by the spread of. nationalism, which led to heightened conflict between ethnic groups. Which of the following best explains the context of the development alluded to in the ... Learn Test Match Q-Chat Created by notjassi Terms in this set (21) In the mid-1920s, gray wolves, Canis lupus, were eliminated from Yellowstone National Park in the northwestern …cohesion. -H bonding between H2O creates it (sticky) -allows for the movement of water against gravity. -high surface tension. -water moves up a tree by transpiration (helped by ____) adhesion. -H2O molecules form H bonds with …Looking for the answers to the AP Bio Unit 8 Progress Check MCQ? Find them here and ace your test! This article provides accurate and detailed answers to help you …

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Phosphorus is used to make nucleic acids and certain lipids. Without phosphorus atoms, nucleic acids and lipids cannot be made for the plant to use for growth. A polypeptide is polymer of amino acids held together by peptide bonds. The process of dehydration synthesis creates these peptide bonds, as shown in Figure 1.Study with Quizlet and memorize flashcards containing terms like The point of view of the first two paragraphs of the excerpt can best be used to support which of the following historical arguments?, The excerpt could best be used by a historian studying which of the following historical developments?, Which of the following is a limitation of using Bryan's …AP Biology Scoring Guide Unit 8 Progress Check: FRQ 0 1 The response indicates that 38% of the prey animals of the lions make up 63% of the consumed biomass, so if the availability of the very large animals becomes limiting, the leopards and lions will start to compete for prey (and this will be especially true of the medium-sized prey).I have a 270 slide lecture of the immune system, circulatory system, and osmoregulation to go through before my test on Friday even though it's never on the AP tests. I just wish teachers would give us time to study for the AP test since that gets us college credit not our class grade. But no, I don't know how to find the answers.2. The relationship of structure to function is one of the major themes in biology. For three of the following structure/function pairs, describe the structure and then explain how the function is related to the structure. (a) (b) (c) (d) Enzyme structure/catalysis mRNA structure/protein synthesis Cell membrane structure/signal transductiona. Nitrogen – ionic nitrogen in the soil. b. Water – atmospheric water vapor. c. Carbon – dissolved CO2 in aquatic ecosystems. d. Phosphorous – sedimentary rocks. Subtraction of which of the following will convert gross primary productivity into net primary productivity? a. the energy contained in the standing crop.2. The relationship of structure to function is one of the major themes in biology. For three of the following structure/function pairs, describe the structure and then explain how the function is related to the structure. (a) (b) (c) (d) Enzyme structure/catalysis mRNA structure/protein synthesis Cell membrane structure/signal transductionView Unit_8_Proge_Check_Pt_1.pdf from SCIENCE 101 at Athens High School, Troy. AP Environmental Science Scoring Guide Unit 8 Progress Check: MCQ Part A The diagram below depicts a surface waterStudy Guides by Unit. 🧪 Unit 1 – Chemistry of Life. 🧬 Unit 2 – Cell Structure & Function. 🔋 Unit 3 – Cellular Energetics. 🦠 Unit 4 – Cell Communication & Cell Cycle. 👪 Unit 5 – Heredity. 👻 Unit 6 – Gene Expression & Regulation. 🦍 Unit 7 – Natural Selection. 🌲 …solution does. It has a lower percent ionization, a larger , and a higher than a D solution. The reaction between and water is represented above. A solution that is initially in has a of 11.28. Which of the following correctly predicts the of a solution for which , and why? ….

Skin pigmentation will not be able to change, resulting in a negative selection pressure. Which of the following best explains a process occurring between point 1 and point 2 in Figure 3 ? A poly‑A tail is added to RNA. Researchers discovered a mutant form of the TYR gene with a deletion of a single guanine nucleotide in the beginning of the ... Unit 2 Progress Check: MCQ. 19. A study was conducted to understand the factors controlling the rate at which molecules or ions travel across cell. membranes. An artificial membrane was created that was composed of a phospholipid bilayer only. The speed at. which various substances crossed this membrane was measured.Unit 8 Progress Check: MCQ (AP World) 2022. 2.6 (23 reviews) Which of the following best explains how this photograph from the Second World War can be connected to the Cold War that began shortly afterward?Packet 1: Progress Checks for Units 1-4. Packet 2: Progress Checks for Units 5-7. Although to receive credit/grade for the class these two packets are required to be finished by May 11th (packet 1) and June 3rd, the A.P. Calculus AB exam is on May 12th. I recommend that anyone sOll planning on taking the exam finish everything by May 11th. …Metformin is a drug used to treat type 2 diabetes by decreasing glucose production in the liver. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. Metformin activated AMPK in liver cells but cannot cross the plasma membrane. By blocking AMPK with an inhibitor, researchers found that AMPK activation is ... If you’re looking for a reliable insurance provider, Progressive is a great option. With millions of customers and independent agents and brokers, Progressive is one of the larger insurance providers in the United States.AP BIOLOGY UNIT 1 Chemistry of Life 8–11% AP EXAM WEIGHTING ~5–7 CLASS PERIODS Remember to go to AP Classroom to assign. ... AP BIO_ Unit 1 Progress Check.pdf. Solutions Available. ... Lake Howell High School. BIO 1. 2020_MCQ.pdf. Solutions Available. Canyon Crest Academy. SCIENCE 328. Ch. 1 Review For AP …Calculate the percent of total biomass eaten by the lions that is composed of very large animals. Predict the likely effect on both the lions and leopards if the availability of very large animals becomes limiting in the reserve. Use evidence provided to support the scientists' claim. Question 1 Learn with flashcards, games, and more — for free.Complete the following Personal Progress Checks: Unit 8 Progress Check: MCQ Unit 8 Progress Check: FRQ To access the Personal Progress Checks, log in to your MyAP account (Links to an external site.) , go to AP Classroom, and navigate to the Personal Progress Checks page.Any Personal1. Exam (elaborations) - Apes unit 1 progress check: mcq complete answered 100% correctly_ spring 2023 2. Exam (elaborations) - Apes unit 2 progress check: mcq all correct questions and answers 2023 3. Exam (elaborations) - Apes unit 3 progress check mcq 2023 4. Exam (elaborations) - Apes unit 4 review - mrq 2022/2023 Unit 8 progress check mcq ap bio, AP Calculus AB Scoring Guide Unit 1 Progress Check: MCQ Part B Copyright © 2017. The College Board. These materials are part of a College Board program., 30 seconds. 1 pt. In most ecosystems, net primary productivity is important because it represents the. Energy used in respiration by herbivores. Total solar energy converted to chemical energy by producers. Biomass for all producers. Energy available for trophic levels above producers. Multiple Choice., Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. ... Unit 10 Unit 10: AP®︎ Biology standards mappings. This unit does not include exercises ..., Unit 1 Progress Check: MCQ. 1. Which of the following numerical expressions gives the number of moles in of? A. B. C. D. 2. In a lab a student is given a sample of ... , AP®︎/College Biology 10 units · 54 skills. Unit 1 Chemistry of life. Unit 2 Cell structure and function. Unit 3 Cellular energetics. Unit 4 Cell communication and cell cycle. Unit 5 Heredity. Unit 6 Gene expression and regulation. Unit 7 Natural selection. Unit 8 Ecology., Therefore, (171−36)/8=16.875, which can be rounded to 17 wolves per year. Related to Question 1 Information: Based on the data in the figure, a student claimed that since 2007, the carrying capacity of wolves in Yellowstone National Park has been 100 wolves, and the maximum annual per capita growth rate of gray wolves is 0.6 wolves per wolf ..., Purple, long 1199. Purple, round 400. Red, long 400. Red, round 133. Which of the following best predicts the effect of adding this inhibitor to a culture of plant cells? Plant cells will be unable to perform glycolysis due to the inhibitor and will die. The students plan to use a significance level of p=0.01., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Start studying the AP Stats Unit 8 Progress Check. 3 2 D. Ap statistics chapter 6 test b answers. None of these Hours of Study Frequency The graph shows the number of hours a year 8 group spent doing homework for one week. Unit 1 progress check mcq ap lang Unit 1 progress check mcq ap lang. The correct answer is a., Calculate the percent of total biomass eaten by the lions that is composed of very large animals. Predict the likely effect on both the lions and leopards if the availability of very large animals becomes limiting in the reserve. Use evidence provided to support the scientists' claim. Question 1 Learn with flashcards, games, and more — for free. , Study with Quizlet and memorize flashcards containing terms like In the mid-1920s, gray wolves, Canis lupus, were eliminated from Yellowstone National Park in the northwestern United States. Over the course of 1995 and 1996, 31 wolves from Canada were relocated to the park. Researchers have tracked the growth of the wolf population from 21 in 1995 to 108 at the end of the study in 2016 (Figure ..., AP Biology Unit 7 MCQ B. Which of the following sets of data provides evidence that best supports common ancestry for organisms in all three domains? Click the card to flip 👆. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA. Click the card to flip 👆., Ap bio unit 8 progress check is an assessment tool used to evaluate students’ understanding of the topics covered in Unit 8 of the Ap biology curriculum. This progress check consists of multiple-choice questions that cover various concepts related to the unit., Crepe myrtle bark scale, or CMBS, is a type of insect that infects crepe myrtles. It has a felt-like gray surface and bores into crepe myrtles to consume the sap, and excretes black waste that covers the bark of the trees. Despite the fact that it was only first spotted in Dallas, Texas in 2004, it spread to neighboring states, including ..., Personal Progress Check for this unit. Whether assigned as homework or completed in class, the Personal Progress Check provides each student with immediate feedback related to this unit’s topic and skills. Personal Progress Check 8 Multiple-choice: ~20 questions Free-response: 2 questions §erpreting and Evaluating Int Experimental Results ... , Nyack Senior High School. BIO 101. Scoring Guide Unit 4 Progress Check: MCQ AP Biology Page 11 of 17. 18. The relative amounts of present in the nucleus of a cell at four different stages of the life cycle are shown in Figure 1. Figure 1. Relative amounts of present in the nucleus of a cell Based on Figure 1, which of the following statements ..., AP® BIOLOGY EQUATIONS AND FORMULAS x = sample mean . n = sample size . s = sample standard deviation (i.e., the sample-based estimate of the standard deviation of the population) o = observed results. e = expected results = sum of all . Degrees of freedom are equal to the number of distinct possible outcomes minus one. , Answer: In a hypertonic environment, the concentration of solutes is higher outside of the cell. To reach equilibrium, a net flow of water will exit the cell, causing the cell to lose water and become smaller in volume. 📄 Study AP Biology, Unit 2.8: Tonicity and Osmoregulation. 12. A plant cell and animal cell enter a hypotonic environment., Learn Test Match Q-Chat morgan_bball Top creator on Quizlet Terms in this set (21) In the mid-1920s, gray wolves, Canis lupus, were eliminated from Yellowstone National Park in …, Study with Quizlet and memorize flashcards containing terms like "On the western side of the ocean, movements of people and ideas . . . preceded the Atlantic connection. Great empires—in the Valley of Mexico, on the Mississippi River . . . —had collapsed or declined in the centuries before 1492. . . . As Columbus embarked on his first transatlantic voyage, …, Skin pigmentation will not be able to change, resulting in a negative selection pressure. Which of the following best explains a process occurring between point 1 and point 2 in Figure 3 ? A poly‑A tail is added to RNA. Researchers discovered a mutant form of the TYR gene with a deletion of a single guanine nucleotide in the beginning of the ..., Unit 4 Progress Check: MCQ. Page 8 of 10 AP Computer Science A. Consider the following code segment. int k = 35; while (k >= 0) { System.out("X"); k -= 5; } How many times will the string "X" be printed as a result of executing the code segment? (A) 1 (B) 7 (C) 8 (D) 35 (E) More than 35 times, because the code segment will cause an infinite ..., The 6 Science Practices AP® Biology Promotes. The Big Ideas of AP® Biology. AP® Biology Practice Tests. Unit 1: Chemistry of Life. Unit 2: Cell Structure and Function. Unit 3: Cellular Energetics. Unit 4: Cell Communication and Cell Cycle. Unit 5: Heredity. Unit 6: Gene Expression and Regulation., Mar 1, 2022 · The 6 Science Practices AP® Biology Promotes. The Big Ideas of AP® Biology. AP® Biology Practice Tests. Unit 1: Chemistry of Life. Unit 2: Cell Structure and Function. Unit 3: Cellular Energetics. Unit 4: Cell Communication and Cell Cycle. Unit 5: Heredity. Unit 6: Gene Expression and Regulation. , Answers to Unit 8 progress check mcq on college board? : r/APbio by eemsay Answers to Unit 8 progress check mcq on college board? Does anyone know where I can find the …, A) Decreased oxygen levels because warm water holds less dissolved gas than cold water does. Which of the following best describes the source of persistent organic pollutants (POPs) that could accumulate in the tissues of a top predator? B) DDT and other pesticides that are sprayed to control for mosquitoes., Study with Quizlet and memorize flashcards containing terms like Which of the following best explains how this photograph from the Second World War can be connected to the Cold War that began shortly afterward?, The image is best understood in which of the following contexts of both the Second World War and the Cold War?, The image could …, a. Nitrogen – ionic nitrogen in the soil. b. Water – atmospheric water vapor. c. Carbon – dissolved CO2 in aquatic ecosystems. d. Phosphorous – sedimentary rocks. Subtraction of which of the following will convert gross primary productivity into net primary productivity? a. the energy contained in the standing crop. , 🧐 Exam Skills Unit 8 FRQ (Invasive Species) 2 min read • november 16, 2021 AP Bio Free Response Question for Invasive Species 👋 Welcome to the AP Bio Unit 8 …, Cell 2. Hereditary spherocytosis (HS) is a disorder of red blood cells that causes the cells to be smaller and spherical instead of having the usual flattened, biconcave shape. The average diameter of normal red blood cells is 7.2μm, and the average diameter of red blood cells in a person with HS was found to be 6.7μm., Test Match Q-Chat Created by notjassi Terms in this set (21) In the mid-1920s, gray wolves, Canis lupus, were eliminated from Yellowstone National Park in the northwestern United States. Over the course of 1995 and 1996, 31 wolves from Canada were relocated to the park., Study with Quizlet and memorize flashcards containing terms like "On the western side of the ocean, movements of people and ideas . . . preceded the Atlantic connection. Great empires—in the Valley of Mexico, on the Mississippi River . . . —had collapsed or declined in the centuries before 1492. . . . As Columbus embarked on his first transatlantic voyage, …, Specimen 1 Specimen 2 Specimen 3 Specimen 4. Amino acid differences* 5 21 18 11. Percent of original carbon-14 remaining 38 73 25 11. Composition Sandstone Sandstone Limestone Shale. DNA analysis 35% Guanine 28% Guanine 12% Guanine 29% Guanine. *amino acid differences of a conserved protein compared with a fifth fossil specimen.