Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 9, Problem 3RQ
Prokaryotes contain a ______ chromosome, and eukaryotes contain ________ chromosomes.
a. single-stranded circular; single-stranded linear
b. single-stranded linear: single-stranded circular
c. double-stranded circular; double-stranded linear
d. double-stranded linear; double-stranded circular
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Which of the following characteristics is not common in prokaryotic cells?
a. chromatin
b. double-stranded DNA
c. plasmids
d. linear chromosomes
A plasmid differs from the bacterial chromosome in that it is __________.
A. significantly smaller
B. always found as a single copy of DNA in a cell
C. circular
D. double-stranded
A.
significantly smaller
B.
always found as a single copy of DNA in a cell
C.
circular
D.
double-stranded
A small nonessential circular DNA molecule in prokaryotes is called a: a. plasmid b. telomere c. bacteriophage d. prophage
Chapter 9 Solutions
Concepts of Biology
Ch. 9 - Figure 9.10 You isolate a cell strain in which the...Ch. 9 - Which of the following does cytosine pair with? a....Ch. 9 - Prokaryotes contain a ______ chromosome, and...Ch. 9 - DNA replicates by which of the following models?...Ch. 9 - The initial mechanism for repairing nucleotide...Ch. 9 - A promoter is ______. a. a specific sequence of...Ch. 9 - Portions of eukaryotic mRNA sequence that are...Ch. 9 - The RNA components of ribosomes are synthesized in...Ch. 9 - How long would the peptide be that is translated...Ch. 9 - Control of gene expression in eukaryotic cells...
Ch. 9 - Post-translational control refers to: a....Ch. 9 - Describe the organization of the eukaryotic...Ch. 9 - Describe the structure and complementary base...Ch. 9 - How do the linear chromosomes in eukaryotes ensure...Ch. 9 - Transcribe and translate the following DNA...Ch. 9 - Describe how controlling gene expression will...
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- 1. The coded information in a DNA molecule directly determines the formation of ____________. * a. polysaccharides b. lipids c. monosaccharides d. polypeptides 2. Transcription takes place in ______. * a. cytoplasm b. chloroplasts c. nucleus d. mitochondriaarrow_forwardin cells, most RNA molecules are___ ; most DNA molecules are____ . a. single-stranded; double-stranded b. double-stranded; single-strandedarrow_forwardWhich of the following statements is a lie? Select one: a. In humans, the genetic code is stored in 46 double-stranded DNA molecules. b. DNA packaging of prokaryotes into compact sizes is distinct to eukaryotic DNA packaging. c. Plasmids cause bacterial mutation and diversification thus they are essential components for cellular reproduction.arrow_forward
- In a Eukaryotic cell, Transcription occurs in the _____________________ of a cell while Translation occurs in the ______________________ a. Nucleus / Rough Endoplasmic Reticulum b. Golgi Apparatus / Lysosomes c. Nucleus / Nucleolus d. Smooth Endoplasmic Reticulum / Rough Endoplasmic Reticulumarrow_forwardReverse transcriptase assembles a(n)_____ on a(n)_____ template. a. mRNA; DNA c. DNA; ribosome b. cDNA; mRNA d. protein; mRNAarrow_forwardA 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…arrow_forward
- The 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_forwardA plasmid is a circle of________ . a. RNA c. either RNA or DNA b. DNA d histone proteinsarrow_forwardlet's say you are poking a needle thru a bacteria. which structure (a-f below) would the needle come into contact with first? a. peptido-glycan b. DNA c. plasma membrane d. outer membrane of cell wall e. capsule f. ribosme assume bacteria has all these items (A to F) outer membrane of cell wall plasma membrane ribosme O peptido-glycan DNA capsulearrow_forward
- Why do eukaryotes have many replication bubbles all replicating at one time, but bacteria do not? a. eukaryote chromosomes must be packaged for cell replication, but bacteria do not b. eukaryotes have a nucleus and multiple chromosomes, but bacteria do not c. eukaryotes have shorter chromosomes but more than bacteria d. bacteria are dumb as sticks e. eukaryotes have slower polymerasesarrow_forwardA eukaryotic cell has a mutation that prevents mRNA from leaving the nuclear envelope. What result should be observed in this cell? 1. DNA will not replicate. 2. A polypeptide will not be synthesized. 3. RNA will not be transcribed from DNA. 4. A cap and poly-A tail will not be attached to the mRNA.arrow_forwardRibosomes contain catalytic ________ molecules. a. tRNA b. mRNA c. rRNAarrow_forward
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