WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
5th Edition
ISBN: 9781319516116
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 6, Problem 4MC
Summary Introduction
Introduction
A very small percentage of the DNA in humans actually codes for proteins.
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A set of cells that host various DNA fragments collectively representing an organism’s entire set of genetic information is a_____ . a. genome c. genomic library b. clone d. GMO
The most common source of DNA mutation is _____; however, these mistakes are typically corrected.
a.
errors in DNA replication
b.
UV light
c.
cigarette smoke
d.
errors in protein synthesis
e.
pesticides on the food we eat
Which of the following is not a DNA sequence?
a. TAG
b. AUGAUUCT
d. AAAAAAAAAA
e. CGG
Chapter 6 Solutions
WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
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- Chase and Hershey provided the final evidence that ________. a. nucleic acids exist b. DNA is the genetic material c. hereditary information could be transferred horizontally rather than by descentarrow_forwarda mutation in dna that adds +1 ot -1 nucleotide or +2 or -2 nucleotides is called a______? (choose one answer only) A. frameshift mutation B. silent mutation C. nonsense mutation D. missense mutationarrow_forwardThe experiment of Erwin Chargaff proved that the number of adenines (A) and thymines (T) in DNA is the same as the number of guanine (G) and cysteine (C) in DNA. A. True B. Falsearrow_forward
- 4) In DNA, adenine pairs up with thymine and guanine with cytosine. If adenine makes up 40% of the bases in DNA, then what percentage of the bases in DNA does cytosine makeup? A. 10% В. 20% С. 40% D. 50% 5I The process by vhich a cell conies its DNA befora it divides is called:arrow_forwardThe enzyme ________ separates the TWO DNA strands of the double helix. a. helicase b. ligase c. polymerasearrow_forwardA mutation is best defined as _____ in the nucleotide sequence of a gene. A any change B a beneficial change C a harmful changearrow_forward
- In human DNA, 80% of in sequences are methylated.A. adenines, ApTB. thymines, ApTC. cytosines, CpGD. guanines, CpGE. adenines, ApGarrow_forwardn the triplet code, which of the following is true? A. Each DNA base codes for three proteins. B. Each amino acid in a protein is coded for by three bases in the DNA C. It takes three genes to code for one protein D. Each gene codes for three proteins. E. Each triplet has many different meanings.arrow_forwardApproximately what percentage of DNA is noncoding? a 98% b 2% c 50% d 25%arrow_forward
- A DNA molecule contains 30% G. What percentage of its bases are A?a. 30%b. 20%c. 15%d. 10%e. none of the abovearrow_forwardOne half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC. What would appear on the other half? A. CGATTCCGCAATAGGGG B. GCTAAGGCGTTATCCCC C. CGATGCCGCAATAGGGG D. ATAGGAATACCGCTTTT E. TATCCTTATGGCGAAAAarrow_forwardWish of the following statements is true about DNA? a. DNA is the hereditary material in almost all organisms b. The replication of mitochondrial DNA is controlled by nuclear DNA c. Most DNA is found in the mitochondria d. Human nuclear DNA consists of one polynucleotide that carries all e. Mitochondrial DNA controls most of the cell activities Question After using the blender to blend the split peas, water, and salt mixture, cheesecloth is used to ......... a. Filtrate the mixture and precipitate the protein b. Filtrates the contents of the blender to collect the strained fluid for DNA extraction c. Separate the DNA from the protein that folded and protected the DNA d. Collect pure nucleic acid e. Precipitate the nucleic acid acidgenetic informationarrow_forward
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