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Mechanisms Of Genetics
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Identify the molecule which contains the instructions used to create an organism’s enzymes and proteins.
A
deoxyribonucleic acid
B
glucose
C
nicotinamide adenine dinucleotide
D
hemoglobin
2) Which of the following correctly shows a complementary base pair of nitrogenous bases in a DNA molecule?
A
adenine- guanine
B
guanine- thymine
C
guanine- cytosine
D
cytosine- adenine
3) DNA is a polymer which is made up of subunits called nucleotides. Which of these is not a DNA nucleotide component?
A
deoxyribose sugar
B
nitrogenous base
C
phosphate group
D
ribose sugar
4) Which of the following correctly lists the four possible nitrogenous bases in DNA?
A
adenine, guanine, cytosine, uracil
B
leucine, proline, tyrosine, phenylalanine
C
glutamine, proline, tyrosine, phenylalanine
D
adenine, guanine, cytosine, thymine
5) Which statement best describes what takes place during translation?
A
Information in mRNA is converted into a sequence of amino acids in a protein.
B
A copy of chromosomal DNA is created.
C
Instructions from DNA in the nucleus are brought to the cytoplasm.
D
An RNA copy of a DNA strand is made.
6) In order for DNA instructions to move from the nucleus to the ribosomes in the cytoplasm of a cell, an RNA copy of a DNA strand must be made. This process, which takes place in the cell nucleus, is called-
A
transcription
B
DNA replication
C
mutation
D
translation
7) Which technique is used to make DNA fingerprints?
A
genetic engineering
B
cloning
C
gel electrophoresis
D
gene splicing
8) A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?
A
photosynthesis
B
osmosis
C
protein synthesis
D
respiration
9) A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
A
lipids
B
nucleic acids
C
proteins
D
carbohydrates
10) A genetic counselor is examining a karyotype from a patient when an extra copy of chromosome 13 is noticed. This condition is referred to as
A
monosomy
B
triploidy
C
diploidy
D
trisomy
*select an answer for all questions
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