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Genetics Test Review 2021 Flashcards | StudBud
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Genetics Test Review 2021
Genetics Test Review 2021
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A #biology #Quiz to introduce the basics of #DNA and #protein synthesis and meiosis.
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Answers
1
DNA is an abbreviation for
denatured sulfuric acid
diphosphonitric acid
deribose acid
deoxyribonucleic acid
2
What subunits make up protein?
nucleotides
phosphates
amino acids
sugars
3
True or False: In humans the female gamete contains only 23 chromosomes.
True
False
4
RNA contains the base uracil but DNA does not.
False
True
5
Which of the following is NOT found on a molecule of DNA?
phosphate
deoxyribose
uracil
thymine
6
Which of the following is the SMALLEST?
DNA
nucleus
cell wall
chromosome
7
The two sides of the DNA ladder are
held
together by
molecular cohesion
phosphates
sugars
hydrogen bonds
8
A sperm cell of a chipmunk has 19 chromosomes. How many chromosomes should be in its' bone cells?
19
11
38
36
9
Before replication, a DNA molecule:
copies
transcribes
unzips
refreshes
10
The message from DNA is carried from the nucleus to the cytoplasm by:
amino acids
tRNA
codons
mRNA
11
Another word for protein synthesis is
acquition
translation
transcription
replication
12
In humans, where does DNA replication take place?
cytoplasm
nucleus
ribosome
lysosome
13
Where in the cell are proteins assembled?
mitochondrion
ribosome
nucleus
cell membrane
14
3 bases on messenger RNA make up a(n):
codon
protein
histone
tRNA
15
Codons are translated into:
amino acids
DNA
nucleotides
RNA
16
DNA is a polymer consisting of monomers known as
phosphates
peptides
amino acids
nucleotides
17
The process by which DNA makes a copy of itself
replication
conservation
transcription
translation
18
Crossing over happens during ____, NOT mitosis.
telophase
metaphase
meiosis
cytokinesis
19
Who is credited with discovering the structure of DNA?
Black & Decker
Darwin & Einstein
Watson & Holmes
Watson & Crick
20
The shape of the DNA molecule is
double helix
double oval
isohedron
parabola
21
A _____ is a sequence of nucleotides found in DNA of a chromosome & codes for a protein or trait.
phenotype
allele
codon
gene
22
The purpose of Meiosis I is to separate the sister chromatids.
True
False
23
Specifically, where is DNA found?
in most organelles
in the cell membrane
in the cytoplasm
in the nucleus
24
Why is DNA called the blueprint of life?
The molecules that make up DNA are blue in color
DNA is like a house
DNA contains all the instructions for building an organism
Life cannot exist without DNA
25
What is the end result of meiosis?
Four identical gametes
Four unique gametes
Two unique gametes
Two identical gametes
26
What carries the amino acid to the mRNA as it is attached to the ribosome?
rRNA
tRNA
hydrogen
uracil
27
DNA is composed of repeating subunits called:
codons
nucleotides
phosphates
sugars
28
What is the complementary
RNA
strand for ATCAGA:
UAGUCU
TAGTCT
AGACTA
TUGTCT
29
DNA replication occurs during the __ phase of Interphase, prior to meiosis and mitosis.
G2
G1
none of the above
S
30
Which cells are NOT formed during meiosis?
sperm cells
egg cells
somatic cells
gametes
31
If tomatoes have a diploid number of 24, what will the haploid number be?
48
46
6
12
32
A nucleotide consists of:
nitrogen base, phosphate, sugar
base, phosphate, hydrogen bond
base, ribose, deoxyribose
ribose, deoxyribose, hydrogen bond
33
In RNA, the base
thymine
is replaced by:
adenine
uracil
cytosine
guanine
34
A single gene contains ______ base(s).
no
thousands of
three
a single
35
What is this a picture of?
RNA
karyotype of a squirrel
nucleus
mRNA
