BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 1, Problem 6U
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.
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Students have asked these similar questions
Which of the following describes sequencing by synthesis?
A. Large sections of DNA are inserted into a plasmid.
B. DNA sequence is recorded as the complementary strand is built.
C. Many copies of the DNA are made, each terminating at a specific nucleotide.
D. A DNA strand is forced through a pore and its sequence synthesized as it passes through.
Genetic information flows in one direction. Which of the following exceptions can actually occur?
a.
DNA to Protein
b.
RNA to DNA
c.
Protein to DNA
d.
Protein to RNA
Which of the following statements accurately describes the process of DNA
replication?
A. The two strands of DNA separate, and a single new strand is synthesized using
the existing strand as a template.
B. The two strands of DNA separate and serves as a template, and the daughter
molecule will have a mix of an old and new strand.
C. The two strands of DNA separate and serves as a template, and the daughter
molecule will have one old strand and one new strand.
D. The two strands of DNA separate, and each strand serves as a template for the
synthesis of multiple new complementary strands.
Chapter 1 Solutions
BIOLOGY
Ch. 1.1 - Compare biology to other natural sciences.Ch. 1.1 - Prob. 2LOCh. 1.1 - Prob. 3LOCh. 1.2 - Compare the different types of reasoning used by...Ch. 1.2 - Demonstrate how to formulate and test a...Ch. 1.3 - Examine Darwins theory of evolution by natural...Ch. 1.3 - Describe the evidence that supports the theory of...Ch. 1.4 - Discuss the core concepts that underlie the study...Ch. 1 - Data analysis What is the effect of reducing the...Ch. 1 - Inquiry question Might this effect be achieved...
Ch. 1 - Prob. 2IQCh. 1 - Prob. 1UCh. 1 - Prob. 2UCh. 1 - A hypothesis in biology is best described as a. a...Ch. 1 - Prob. 4UCh. 1 - The cell theory states that a. cells are small. b....Ch. 1 - The molecule DNA is important to biological...Ch. 1 - The organization of living systems is a. linear...Ch. 1 - The idea of evolution a. was original to Darwin....Ch. 1 - What is the significance of Pasteurs experiment to...Ch. 1 - Which of the following is NOT an example of...Ch. 1 - How is the process of natural selection different...Ch. 1 - If you found a fossil for a modem organism next to...Ch. 1 - The theory of evolution by natural selection is a...Ch. 1 - In which domain of life would you find only...Ch. 1 - Evolutionary conservation occurs when a...Ch. 1 - Exobiology is the study of life on other planets....Ch. 1 - The classic experiment by Pasteur (figure 1.4)...
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- Which of the following statements about genes is incorrect? Select one: O a. During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg. b. Genetic differences can result from changes in the DNA called mutations. O c. Genes correspond to segments of DNA. d. Under normal circumstances, each chromosome contains precisely one gene. e. Many genes contain the information needed for cells to synthesize enzymes and other proteins.arrow_forwardWhich of the following statements best describes DNA and RNA? a. Both are found in chromosomes b. DNA is found in chromosomes, RNA is not. c. RNA is found in chromosomes, DNA is not. d. neither is found in chromosomesarrow_forwardThe information a cell needs to function is found on the DNA molecule in the form of a. multiple combinations of unknown chemicals. b. RNA subgroups. c. a spiral helix. d. four bases and the order in which they appear.arrow_forward
- A promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA nucleotides c. a protein that binds to DNA d. an enzyme that synthesizes RNAarrow_forwardWhich of the following schemes for molecular information flow never occurs in cellular life forms? a. DNA to rRNA b. mRNA to protein c. DNA to tRNA d. DNA to mRNA e. RNA to DNAarrow_forwardA.) DNA encodes for the cell genome and is therefore a permanent copy to have a functioning cell. B.)Different changes to the structure of messenger RNA can cause mutations and genomic instability which could lead to abnormal cells in the body. a. Statement A is correct b. Statement B is correct c. Both A and B are correct d. Both A and B are incorrectarrow_forward
- The antiparallel nature of DNA refers to a. its charged phosphate groups. b. the pairing of bases on one strand with bases on the other strand. c. the formation of hydrogen bonds between bases from opposite strands. d. the opposite direction of the two strands of nucleotides.arrow_forwardWhich of the following sequences is correct? a. Nucleotides → gene →DNA → Chromosome b. DNA → Chromosomes → Gene → genome c.Nucleotide → DNA → gene → Chromosome d. Genome → gene → DNA → nucleotidearrow_forwardWhich of the following is not true with respect to DNA? a. A nucleic acid that contains the genetic instructions used in the development and functioning of all modern living organisms. b. The helix geometry of DNA is of B-Form. DNA is completely protected by the body, i.e., the body destroys enzymes that cleave DNA. DNA can be damaged by exposure to Ultra-violet rays. c. The pairing of bases: A-T (Adenine-Thymine), G-C (Guanine-Cytosine) d. Consists of a deoxyribose sugar, a phosphate backbone, four bases: adenine, guanine, cytosine and uracil. e. None of the abovearrow_forward
- Explain why scientists preferred proteins as the source of genetic material over DNA. A. DNA seemed too simple of a molecule compared to proteins B. Proteins are made up of combinations of 20 different amino acids compared to DNA's 4 bases. The larger number seemed more likely to account for all the variety and diversity in organisms. C. Scientists knew more about proteins than they did DNA. D. All of the answers are correct explanations.arrow_forwardRNA is different from DNA in which of the following ways?a. RNA is generally single-stranded.b. RNA contains uracil rather than thymine.c. The sugar of RNA is ribose.d. RNA is translated to form proteins.e. All of these are correct.arrow_forwardWhich of the following is true about the three major classes of RNAs in the cell: mRNAs, tRNAs, and rRNAs? A. mRNAs encode polypeptide chains. B. tRNAs are structural components of the ribosome. C. rRNAs are adapter molecules that translate the information on an mRNA into a polypeptide sequence. D. mRNAs can also encode tRNAs and rRNAs.arrow_forward
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