Answered: A DNA nucleotide is made of all of the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

A DNA nucleotide is made of all of the following components except ____.

A. a nitrogen-containing base

B. deoxyribose sugar

C. phosphate

D. phospholipids

QUESTION 2

Messenger RNA carries genetic information from the chromosomes to the ____.

A. ribosomes

B. endoplasmic reticulum

C. nucleolus

D. plasmids

QUESTION 3

3. A ___ codes for a specific sequence of amino acids in a protein.

A. gene

B. nucleotide

C. polyribosome

D. nucleic acid

QUESTION 4

4. The study of the structure, function, and interaction of cellular proteins is called ____.

A. bioinformatics

B. proteomics

C. genomics

D. haplotypics

QUESTION 5

5. Free-living organisms with a foreign gene are called ____ organisms.

A. transposed

B. transmutated

C. transparent

D. transgenic

QUESTION 6

6. DNA is shaped like a/an ____.

A. alpha protein

B. double helix

C. single helix

D. globular protein

QUESTION 7

7. Which of the following tasks is not accomplished by DNA?

A. undergoes mutations that can provide variation

B. provides energy for the cell

C. stores information

D. replicates to pass a copy to the next generation

QUESTION 8

8. Which of the following statements is incorrect concerning deoxyribonucleic acid?

A. it is found within the nucleus of eukaryotes

B. it can be found within mitochondria

C. it contains a ribose sugar

D. it specifies the sequence of amino acids for protein synthesis

QUESTION 9

9. In DNA complementary base pairing is always ____.

A. A to T and C to G

B. A to C and T to G

C. A to G and C to T

D. A to U and C to G

QUESTION 10

10. The ability of the DNA molecule to make a copy of itself is called ____.

A. transcription

B. replication

C. transduction

D. translation

QUESTION 11

11. The two strands of DNA are considered ____ and run in opposite directions of each other.

A. parallel

B. anti-parallel

C. balanced

D. polymorphic

QUESTION 12

12. Which of these is not a type of RNA used during protein synthesis in the cell?

A. ribosomal RNA

B. messenger RNA

C. transfer RNA

D. none of these

QUESTION 13

13. Which of the following bases is not found in RNA?

A. adenine

B. guanine

C. thymine

D. uracil

QUESTION 14

14. _____ involves the synthesis of an RNA molecule from a DNA template.

A. Transcription

B. Translation

C. Duplication

D. Cloning

QUESTION 15

15. _____ is converting the sequence of bases on mRNA to a sequence of amino acids.

A. Transcription

B. Replication

C. Translation

D. Processing

QUESTION 16

16. Transcription of part of a DNA molecule with a nucleotide sequence of CATTAG results in an mRNA molecule with which complementary sequence?

A. GTAATC

B. GUAAUC

C. GUAATC

D. GTAAUC

QUESTION 17

17. Portions of genes that code for a particular amino acids are called ____.

A. exons

B. introns

C. alleles

D. templates

QUESTION 18

18. There are _____ messenger RNA codons in the genetic code.

A. 16

B. 20

C. 48

D. 64

QUESTION 19

19. _____ uses computer technologies to study the genome.

A. Bioinformatics

B. Polymerase technologies

C. Genomics

D. Proteomics

QUESTION 20

20. Using recombinant DNA technology, a restriction enzyme ____.

A. can cut DNA at specific base sequences

B. removes a specific gene form human DNA

C. opens a bacterial plasmid

D. all of these

QUESTION 21

21. Which of the following is attached to the transfer RNA (tRNA)?

A. DNA

B. ribosome

C. amino acid

D. nucleic acid

QUESTION 22

22. Which of the following is not part of protein synthesis?

A. replication

B. mitosis

C. translation

D. transcription

QUESTION 23

23. The codon is located on the ____.

A. mRNA

B. tRNA

C. rRNA

D. DNA

QUESTION 24

24. In the RNA molecule, which nitrogen base is found in place of thymine?

A. guanine

B. cytosine

C. adenine

D. uracil

QUESTION 25

25. During the process of transcription, which of the following is produced?

A. H2O

B. ATP

C. mRNA

D. DNA

QUESTION 26

26. The actual site of protein synthesis is the ____.

A. nucleus

B. mitochondrion

C. chloroplast

D. ribosome

QUESTION 27

27. If the DNA template reads â ATAâ , then which of the following would be the corresponding sequence on the mRNA?

A. UAU

B. ATA

C. TUT

D. UCU

QUESTION 28

28. The genetic code is based upon the reading of how many bases at a time?

A. one

B. two

C. three

D. four

QUESTION 29

29. Amino acids are held together by ____ bonds.

A. hydrogen

B. peptide

C. ionic

D. high energy

QUESTION 30

30. How many codons are needed to specify three amino acids?

A. 3

B. 6

C. 9

D. 12

QUESTION 31

31. One similarity between DNA and messenger RNA molecules is that they both contain ____.

A. the same sugar

B. genetic codes based on sequences of bases

C. a nitrogenous base known as uracil

D. double-stranded polymers

QUESTION 32

32. If a portion of a messenger RNA molecule contains the base sequence A-A-U, the corresponding transfer RNA base sequence is ____.

A. A-A-U

B. G-G-T

C. T-T-C

D. U-U-A

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