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15 QuestionsShow answers
Question 1
SURVEY
30 seconds
Q. A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
answer choices
carbohydrates
nucleic acids
lipids
proteins
Question 2
SURVEY
30 seconds
Q. Which of the following is the template for the production of RNA within a cell?
answer choices
DNA
protein
ATO
carbohydrate
Question 3
SURVEY
30 seconds
Q. which process is shown?
answer choices
diffusion
repiration
recombination
translation
Question 4
SURVEY
60 seconds
Q. When an extra base is inserted into the DNA sequence of a gene, the protein doesn't work. Which explains why?
answer choices
the base increases rate of translation
the base causes DNA to be transcribed in opposite direction
the inserted base causes the codons in the sequence to be incorrect for the desired protein
the base signals enzymes to translate DNA rather than RNA
Question 5
SURVEY
30 seconds
Q. What molecules do both DNA and RNA contain?
answer choices
uracil
nucleotides
thymine
deoxyribose
Question 6
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30 seconds
Q. The genetic material of an organism is composed of
answer choices
lipids
proteins
deoxyribonucleic acids
complex carbohydrates
Question 7
SURVEY
30 seconds
Q. Which of the following best describes how DNA and RNA are similar?
answer choices
they both contain A and T
They both have a double helix
They are both composed of 5 different nucleotides
they both have C and G
Question 8
SURVEY
30 seconds
Q. The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?
answer choices
4
8
12
20
Question 9
SURVEY
30 seconds
Q. A scientist puts nucleotide chains of UUUUUU in a test tube under conditions allowing protein synthesis. Soon they are only amino acids chains of phenylalinine. What does the experiment indicate?
answer choices
phenylalanine is composed of uracil
UUU codes for phenylalanine
protein synthesis malfunctions in test tubes
proteins contain one kind of amino acids
Question 10
SURVEY
30 seconds
Q. One human disease is caused by a change in one codon in a gene from GAA to GUA. The disease is a result of
answer choices
a mutation
crossing-over
a meiosis error
polyploidy
Question 11
SURVEY
30 seconds
Q. DNA sequence is ACAGTGC. How would this be coded on mRNA?
answer choices
TGTCACG
UGUCACG
GUGACAU
CACUGUA
Question 12
SURVEY
30 seconds
Q. What is the relationship between a protein, the cell, and DNA?
answer choices
DNA is produced by protein which is produced in the cell
Protein is composed of DNA which is produced in the cell
DNA controls the production of protein in the cell
A cell is composed of DNA and protein
Question 13
SURVEY
30 seconds
Q. Genetic info flows in one direction. Which best represents this flow?
answer choices
DNA-protein-RNA
Protein-RNA-DNA
RNA-protein-DNA
DNA-RNA-protein
Question 14
SURVEY
30 seconds
Q. Which process?
answer choices
mutation
transcription
respiration
translation
Question 15
SURVEY
30 seconds
Q. An RNA polymer is composed of subunits known as