Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 3SQ
In cells, most RNA molecules are ___ ; most DNA molecules are ___ .
- a. single-stranded; double-stranded
- b. double-stranded; single-stranded
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Prokaryotes contain a ________chromosome, and eukaryotes contain ________ chromosomes.a. single-stranded circular; single-stranded linearb. single-stranded linear; single-stranded circularc. double-stranded circular; double-stranded lineard. double-stranded linear; double-stranded circular
On a single-stranded DNA, the basic units are linked to one another by _______
A. Disulfide linkages
B. Phosphoanhydride bonds
C. Phosphodiester bonds
D. Hydrogen bonds
E. Hydrophobic interactions
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…
Chapter 9 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - A chromosome contains many different genes that...Ch. 9 - A binding .site for RNA polymerase is called a ___...Ch. 9 - In cells, most RNA molecules are ___ ; most DNA...Ch. 9 - Prob. 4SQCh. 9 - The main function of a DNA molecule is to ________...Ch. 9 - The main function of an mRNA molecule is to ___ ....
Ch. 9 - Prob. 7SQCh. 9 - Prob. 8SQCh. 9 - Prob. 9SQCh. 9 - Anticodons pair with ___ . a. mRNA codons b. DNA...Ch. 9 - Prob. 11SQCh. 9 - Prob. 12SQCh. 9 - Prob. 13SQCh. 9 - Energy that drives translation is provided mainly...Ch. 9 - Match the terms with the best description. ______...Ch. 9 - Researchers are designing and testing antisense...Ch. 9 - An anticodon has the sequence GCG. What amino acid...Ch. 9 - Each position of a codon can be occupied by one of...Ch. 9 - Prob. 4CTCh. 9 - Translate the .sequence of bases in the previous...Ch. 9 - Can you .spell your name (or someone else's) using...Ch. 9 - Bacteria use the.same stop codons as eukaryotes....
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- Transcription copies a _____ to a complementary _____ molecule. a. chromosome; DNA c. gene; RNA b. genome; RNA d. DNA sequence; ribosomearrow_forwardWhich of the following strands of DNA (assuming it was bound to its complementary strand to create a double-helix structure) would be the most difficult to break apart? O a. 5'- CCGCCAAGGCAT - 3' O b. 5' - CAATTAGTTAAC - 3' O C. 5'- AAATTGATATAT - 3' d. 5'- AATGCGCCGATA - 3' e. 5'- CCAGGCCGTGGA - 3'arrow_forwardWhich of the following strands of DNA (assuming it was bound to its complementary strand to create a double-helix structure) would be the least difficult to break apart? a. 5' - CCGCCGGCATATCCGAT - 3' b. 5' - CCGCGCGATCGGCGCGT - 3' c. 5' - AATGAGGCCAATTGACA - 3' d. 5' - CCACCAGGCACAGCCGA - 3' e. 5' - AAATTGATATATAGGCA - 3'arrow_forward
- (1) A scientist discovers an unknown nucleic acid, they analyze it chemically and discover the following: 22% of the nitrogenous bases contain adenine, 40% contain guanine, 20% contain thymine and 18% contain cytosine. Based only on this information, this nucleic acid must be: a. Single-Stranded DNA b. Single-stranded RNA c. Double-Stranded DNA d. Double- stranded RNA (2) In a double-stranded molecule of DNA which of the following ratios should equal 1? (pick 3) a. A/C b. (A+T) / (G+C) c. (A+G) / (C + T) d. purines/ pyrimidines e. G/C (3) why is DNA replication is said to be bidirectional ?arrow_forwardThe nucleotides from a bacterial cell were found to have the following abundances: 39% uracil; 41% adenine, 9% cytosine; 8% guanine. What type of molecule is the genome of the bacteria likely made of? a. Double stranded DNA b. Single stranded DNA c. Messenger RNA d. Double stranded RNAarrow_forwardDNA replication is semiconservative because the ___ strand will become half of the ___ molecule. a. RNA, DNA b. template, finishedc. sense, mRNA d. codon, anticodonarrow_forward
- 7arrow_forwardObserve the DNA strand (see pictures). The following table shows this same DNA strand, a short segment of DNA code. It codes for one specific protein, so this segment of code represents a A. Gene B. Chromosome C. Codonarrow_forwardThe 3’ end of DNA molecule refers to a(n) __________ that can form a phosphodiester bond (a) OH group (b) phosphate group (c) nitrogenous base (d) enzyme (e) hydrogenarrow_forward
- A new type of nucleic acid molecule is found have a base composition of 29% adenine, 19% thymine, 21% cytosine and 31% guanine. The molecule is probably: a. single stranded DNA b. double stranded RNA c. double stranded DNA d. single stranded RNAarrow_forwardOne species’ DNA differs from others in its______ . a. nucleotides c. double helix b. DNA sequence d. sugar–phosphate backbonearrow_forward.6arrow_forward
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