Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 9, Problem 1SQ
A chromosome contains many different genes that are transcribed into different ___ .
- a. proteins
- b. polypeptides
- c. RNAs
- d. a and b
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Number 6
A. Two identical
that builds
copies of DNA
microtubule
"highways" to
guide DNA
B. "staple" that
holds DNA
copies together
C. DNA that is same length and has
same instructions; one from mother
and one from father
A. chromatin
B. spindle fibers
v Structure labeled A in the picture
C. homologous chromosomes
v Structure labeled B in the picture
D. centromere
v Structure labeled C in the picture
E. centrioles
v Structure labeled D in the picture
F. daughter chromosomes
G. sister chromatids
Stitch It!
D. Organelle
A. Two identical
that builds
copies of DNA
microtubule
"highways" to
guide DNA
B. "staple" that
holds DNA
copies together
C. DNA that is same length and has
same instructions; one from mother
and one from father
Match the labeled structures to their proper term.
Chapter 9 Solutions
Biology: The Unity and Diversity of Life
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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- A nucleosome consists of (a) DNA and scaffolding proteins (b) scaffolding proteins and histones (c) DNA and histones (d) DNA, histones, and scaffolding proteins (e) histones onlyarrow_forwardThe sigma subunit of bacterial RNA polymerase _____. a. binds to a bacterial gene’s promoter b. is composed of both polypeptide and RNA molecules c. is required for termination of transcription d. is required for RNA polymerization e. is required for ribosomal bindingarrow_forward_____ is the combination of a seat, elation, another modifications to the histones that allow for changes in DNA winding and unwinding a. Epigentics b. Histone code c. Heterochromatin d. Post translational modificationsarrow_forward
- In a nucleosome, what is the DNA wrapped around? A. mRNA B. Nucleolus protein. C. Ribosomes. D. Polymerase molecules. E. Histonesarrow_forward1. What causes mutations? c. Passed down by genetics d. Mistakes in replication a. The amino acids b. It's how you born 2. Mutations are only passed on to offspring when they happen in a. body cells b. reproductive cells c. prokaryotic cells d. the mitochondria 3. If a mutation occurs in an expressed gene, it will most directly affect the structure of a cell's а. АТР b. energy source c. membrane d. proteinsarrow_forwardTranscription factors a. help the RNA polymerase bind DNA b. are involved in chromatin remodeling, uncoil the DNA c. modulate transcription from the distance d. add the 5’ CAP to the RNAarrow_forward
- Molecule involved in joining segmented nucleotide strands is... O a. DNA ligase O b. Ribosomes c. RNA polymerase d. DNA polymerase ge F5 F6 F7 F10 Scrol F8 F9arrow_forwardFor each species, all ___ in the complete set of chromosomes is the ___. A.| genomes; library B.| mRNA; start of cDNA C.| DNA; genome D.| cDNA; start of mRNAarrow_forwardWhat mRNA is transcribed from each DNA sequen а. 5'-GTTCTAС-3' 3'- -5' b. 5'-ATTTGAAA-3' 3'- -5' c. 5'-GCCTAAGGCT-3' 3'- -5' d. 5'-CGCGCTTTGTG-3' 3'- -5'arrow_forward
- Transcription is similar to DNA replication because both processes_______ . a. use the same enzyme b. copy both strands c. require the same nucleotides d. proceed in the 5′ to 3′ directionarrow_forwardA DNA antisense strand contains the following nucleotide base sequence:CGA TTT GGT TGAFrom this, what is the nucleotide sequence of the mRNA strand that is transcribed? a. CGA UUU GGU UGA b. GCU AAA CCA ACU c. GCA AAA CCA ACT d. CGA TTT CCA ACTarrow_forwardNonsense mutations occur when: A.The new codon causes an incorrect amino acid to code for an incorrect protein B.The loss or gain of 1 or 2 nucleotides that affects the coding for a protein. C.An alteration in sequence results in a new codon that causes the code to create an incomplete protein. D.Chromosomes break, causing a loss of DNA E.Genes in chromosome mutate and code for incorrect DNAarrow_forward
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