Campbell Biology: Conc. and Conn. - Access
8th Edition
ISBN: 9780321946850
Author: Reece
Publisher: PEARSON
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Chapter 10, Problem 12TYK
SCIENTIFIC THINKING The success of an experiment often depends on choosing an appropriate organism to study. For example, Gregor Mendel was able to deduce the fundamental principles in genetics in part because of his choice of the pea plant. Reviewing Module 10.1, how did Hershey and Chase take advantage of the unique structural properties of bacteriophage T2 to determine the genetic material?
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The molecule DNA is important to biological systems because
a. it can be replicated.
b. it encodes the information for making a new individual.
c. it forms a complex, double-helical structure.
d. nucleotides form genes.
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by:
A.
Robert Hooke
B.
Robert Brown
C.
Rudolf Virchow
D.
Theodore Schwann
Suppose that DNA did not have a double helix structure, and instead DNA was single-stranded. Imagine that a cell with this single-stranded DNA was ready to begin cell division. How could a cell replicate single-stranded DNA so the daughter cells could receive an exact copy of the genes present in the original cell?
Use your answer to explain why it is an advantage for DNA to have a double helix structure with paired nucleotides.
Chapter 10 Solutions
Campbell Biology: Conc. and Conn. - Access
Ch. 10 - Check your understanding of the flow of genetic...Ch. 10 - Which of the following correctly ranks the...Ch. 10 - Describe the process of DNA replication: the...Ch. 10 - What is the name of the process that produces RNA...Ch. 10 - Scientists have discovered how to put together a...Ch. 10 - A geneticist found that a particular mutation had...Ch. 10 - Describe the process by which the information in a...Ch. 10 - The nucleotide sequence of a DNA codon is GTA. A...Ch. 10 - A cell containing a single chromosome is placed in...Ch. 10 - The base sequence of the gene coding for a short...
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- What is the relationship between cells, the nucleus, chromosomes, genes, and DNA? Explain and draw a figure to illustrate the concept.arrow_forwardAbout how many nucleosomes could be made from a DNA strand consisting of 1000 B-helical turns? A. 5B. 50C. 500D. This is not enough DNA to make even one nucleosomearrow_forwardIllustrate some steps involved in DNA replication :Suppose the following base sequence was found in a segment of one strand of a DNA molecule: 3’ A-A-T-A-C-C-T-C-C-T-A-A-C-T 5’ What would be the bases in the complementary strand? Label the 3’ and the 5’ ends. Illustrate the DNA molecule below. Label the 3’ and the 5’ ends of both strands. Separate the above DNA molecule up to the seventh base. Add one primer for the leading strand complementary to the first base Adenine of the template strand. Add one primer for the lagging strand complementary to the seventh base Adenine of the template strand. Illustrate the DNA molecule. Label the 3’ and 5’ ends. Elongate the new strands up the seventh base by adding DNA bases complementary to the template strand. Illustrate the resulting DNA molecule. Label the 3’ and the 5’ ends of the template strands and the complementary strands. Elongate the new strands up the seventh base by adding DNA bases complementary to the template strand. Illustrate…arrow_forward
- GENETICS QUESTION You need to do a genomic DNA extraction, but you have run out of solutions in the lab. Knowing the basic 'theory' of how you can purify genomic DNA, list 3 types of solutions you could make up and note why.arrow_forwardComparing your plant (banana) and animal (human) samples, which has more DNA? Take note that DNA is carried on chromosomes, relate your explanation with how many chromosomes each sample carries.arrow_forwardTreating a cell with a drug to stop tRNA from doing its job would mean what? A. that ribosomes would fall apart B. that sugars would not be added to proteins C. that nothing would be available to translate D. that amino acids would not be brought to the growing proteinarrow_forward
- Have you ever wondered how life on earth sprang up? Where does life come from and what does it take to be alive? Recently, researchers have synthesized ribose- the sugar involved in the backbone of RNA- in the lab based on ice commonly found in space. Previously researchers had synthesized pyrimidine bases cytosine, uracil and thymine; parts of the DNA/RNA alphabet. While others have collected amino acids from meteorites. Think about all the different components that need to work to replicate DNA, create mRNA messages, and translate those messages into proteins for the cell to use. In this post you will reflect on the possibility that all these things have come together to create life somewhere other than on earth. In this discussion, pick a side (yes or no) and answer the following question: Do you think life in outer space is possible? If YES, what might it look like? If NO, why do you think it is not possible? Please remember to add a question to engage your classmates in the…arrow_forwardThe backbone of DNA molecule is made of? a. nucleotides b. alternating phosphates and bases c. alternating bases and sugars d. alternating sugar and phosphate moleculesarrow_forwardDNA is the blueprint for the cell, but not all genes in DNA lead to protein. Gene expression is the study of how genes are used to make their particular product. What are some examples of gene products that do not lead to proteins? (a) DNA can lead to carbohydrates. (b) can lead to phospholipids. (c) DNA can lead to lipids. (d) DNA can lead to RNAs which don't go on to be translated into protein.arrow_forward
- Your lab partner tells you proteins are used to make enzymes, you say, no enzymes are used to make proteins. Who is right? Explain your answer. – realize that enzymes are proteins and that the enzyme polymerase is used to transcribe DNAarrow_forwardThe DNA in a cell associates with proteins to form chromatin. What is a nucleosome?arrow_forwardGenetics Question 4 How would I do this with multiple punnet squares?arrow_forward
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