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Genetics and Genomics in Nursing and Health Care 2nd Edition by Beery - Ch. 1-20
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Genetics and Genomics in Nursing and Health Care 2nd Edition by Beery - Ch. 1-20
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Test Bank Genetics And Genomics In Nursing And Health Care ( By: Theresa A. Beery, M. Linda Workman And Julia A. Eggert) 2nd Edition||NEWEST EDITION
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Test Bank - Genetics and Genomics in Nursing and Health Care, 2nd Edition (Beery, 2019)
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Genetics and Genomics in Nursing and Health Care 2nd Edition Test Bank by Theresa A. BeeryPhd, M. Linda WorkmanPhD, Julia A. Eggert
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Test Bank: Genetics and Genomics in Nursing and Health Care2nd Edition by Beery - Ch. 1-20, 9780803660830, with
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What must occur for an organism to pass its genetic information on to its offspring?
A. The parental chromosome must be given to the offspring.
B. The parent must copy its own DNA and provide a copy to its offspring.
C. A novel DNA chromosome must be made by the parent cell and given to its offspring.
D. The host chromosome must be degraded. - ANSWER: B
The process of copying DNA prior to cell replication is known as _____________.
A. RNA replication.
B. DNA synthesis.
C. DNA replication.
D. DNA translation.
E. DNA transcription. - ANSWER: C
What is meant by semiconservative replication?
A. Both the new DNA molecules are made up of new DNA.
B. Both the DNA & parental DNA remain connected during
DNA replication.
C. The newly made DNA strand is made entirely of new
DNA, while the parental DNA is conserved.
D. The new copies of DNA contain one original strand of DNA and one new strand of DNA. - ANSWER:
D
What serves as the template for DNA replication?
A. each of the original DNA strands
B. proteins that are associated with DNA replication
C. the new DNA strands
D. RNA from the cell - ANSWER: A
What is the role of DNA helicase in DNA replication?
A. DNA helicase stabilizes the single strands of DNA during replication.
B. DNA helicase synthesizes new strands of DNA.
C. DNA helicase uses the energy from ATP to break the hydrogen bonds between two DNA strands,
thereby "unzipping" the molecule.
D. DNA uses DNA to get energy from ATP. - ANSWER: C
The replication fork __________________.
A. Is the point where stabilizing proteins bind the single strands of DNA.
B. is the point where DNA helicase is "unzipping" the double-stranded DNA molecule.
C. is what results if the DNA strands begin to degrade.
D. is another term for DNA replication. - ANSWER: B
What is the function of stabilizing proteins?
A. They form the replication fork.
B. They synthesize new strands of DNA.
C. They use ATP to break the hydrogen bonds between the strands of DNA.
D. They hold the separated strands apart and prevent their degredation. - ANSWER: D
The replication fork moves ___________.
A. toward the stabilizing proteins.
,B. away from the direction of newly synthesized DNA.
C. opposite the direction of the DNA helicase.
D. ahead of the newly synthesized DNA. - ANSWER: D
Which enzyme(s) can synthesize new strands of DNA?
A. primase
B. DNA polymerase
C. ligase
D. #1 and #2
E. all of the above - ANSWER: B
Why is primase essential for DNA replication?
A. It provides the RNA that is an essential part of the newly copied chromosome.
B. It removes the RNA left from the DNA replication process.
C. It provides a 3' end of the newly synthesized strand, allowing DNA polymerase to begin copying
DNA.
D. It repairs the gaps between DNA fragments during lagging strand synthesis. - ANSWER: C
DNA synthesis occurs in which direction?
A. From 5' to 3' on the lagging strand and 3' to 5' on the leading strand.
B. From 3' to 5' on both the leading and lagging strands.
C. From 5' to 3' on the leading strand and 3' to 5' on the lagging strand.
D. From 5' to 3' on both the leading and lagging strands. - ANSWER: B
How does the DNA polymerase know which nucleotide triphosphate to add to the growing strand?
A. It does not; it is a random process that results in genetic diversity for the offspring.
B. It hydrogen-bonds the nucleotide to the parental strand, pairing adenines to thymines and
guanines to cytosines.
C. It hydrogen-bonds the nucleotide to the parental strand, pairing adenines to cytosines and
guanines to thymines.
D. It hydrogen-bonds the nucleotide to the RNA primer made by primase, pairing adenines to
thymines and guanines to cytosines. - ANSWER: B
What might happen if the cell does not have RNAse?
A. DNA polymerase would not have a 3' to begin DNA synthesis.
B. The newly made chromosome would consist of DNA and RNA molecules.
C. There would be gaps of missing DNA throughout the newly synthesized DNA.
D. The hydrogen bonding between the DNA strands would all be broken. - ANSWER: B
Which of the following statements concerning DNA replication is true?
A. The leading strand of DNA replication requires only one RNA primer.
B. The lagging strand of DNA replication requires multiple RNA primers.
C. The lagging strand of DNA replication requires only one RNA primer.
D. The leading strand of DNA replication does not require an RNA primer. - ANSWER: A, B
What is the function of the connector proteins?
A. They allow DNA synthesis to occur from the 3' to 5' direction.
B. They enable one parental DNA strand and one newly synthesized DNA strand to be held together.
C. They produce the Okazaki fragments.
D. They link the leading strand DNA polymerase and the lagging strand DNA polymerase together. -
ANSWER: D
Which of the following statements regarding Okazaki fragments are true?
A. They are found on the leading strand of DNA replication.
B. They are composed of RNA.
C. They are found on the lagging strand of DNA replication.
D. They are typically 1000 nucleotides in length. - ANSWER: c, d
, Place the following events of lagging strand DNA synthesis in order: (1) DNA polymerase synthesizes
new DNA strand in the 3' to 5' direction. (2) Primase adds an RNA primer. (3) Okazaki fragments are
joined together. (4) RNAse removes the RNA primer.
A. 2, 1, 3, 4
B. 1, 2, 3, 4
C. 1, 2, 4, 3
D. 2, 1, 4, 3 - ANSWER: D
Which of the following is a product of transcription?
(A) mRNA
(B) rRNA
(C) tRNA
(D) all of the above
(E) none of the above - ANSWER: A
The role of transcription is ___________________.
(A) to copy DNA prior to cell division.
(B) to copy the information stored in DNA into RNA.
(C) to assemble amino acids into proteins.
(D) to pass genetic information from one cell to another. - ANSWER: B
Which of the following is used to make ribosomes?
a. mRNA
b. rRNA
c. tRNA - ANSWER: B
Which of the following is involved in bringing amino acids to the ribosomes?
a. mRNA
b. rRNA
c. tRNA - ANSWER: C
Which of the following is the copy of a DNA sequence used to make protein?
a. mRNA
b. rRNA
c. tRNA - ANSWER: A
what is a gene? - ANSWER: area of the chromosome that codes for something
what is the genome? - ANSWER: everything in the entire chromosome
this is all of the nucleic acids, including connecting nucleic acids (introns) - ANSWER: genome
this is a specific region of DNA that codes for proteins or RNA - ANSWER: gene
this is the physical expression of the genome - ANSWER: phenotype
Prokaryotic DNA :
(A) are Circular
(B) are Linear
(C) have histones
(D) Have nuclear bound membrane
(E) Usu. Diploid (has 2 copies) - ANSWER: A
Prokaryotic DNA :
(A) have histones
(B) are Linear
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