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Duplicate of EOCT Review #3 Flashcards | StudBud
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Duplicate of EOCT Review #3
Duplicate of EOCT Review #3
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Biology EOC STAAR Review
Flashcards
40 cards
F
Practice quiz
P
Host live
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Questions
40
Answers
1
4
g
h
j
f
2
2
c
d
a
b
3
8
g
h
f
j
4
A gene that is sex-linked is BESTdescribed as which of the following?
it is located on the X chromosome
it results in all female offspring
it results in all male offspring
it is located inside the mitochondria
5
Which of the following arethe basic building blocks of protein?
nitrates
amino acids
nucleotides
monosaccharides
6
A terrestrial animal that must go back towater environment in order toreproduce is most likely
aves
reptilia
mammalia
amphibia
7
Organisms in an ecosystem are linkedtogether by
geochemical pathways
greenhouse effects
water cycle
food webs
8
3
d
b
a
c
9
6
j
g
f
h
10
What is the process ofmaintaining a constant internalenvironment called?
respiration
homeostasis
evolution
diffusion
11
7
c
a
d
b
12
The phospholipid molecules serve to
prevent the passage of certain moleculesinto the cell
allow glucose molecules into the cell
line up amino acids for protein synthesis
help cells recognize each other
13
If placed in a hypertonic solution, a plantcell will
remain constant in size
swell
shrink in size
burst
14
Which of the following shows howinformation is transformed to make aprotein?
DNA → RNA → protein
ATP → amino acid → protein
cell respiration → ATP → protein
gene → chromosome → protein
15
Predators often feed on weakanimals in an ecosystem.The role of thepredator is described as its
habitat
niche
community
population
16
When a virus infects a bacterium, whatdoes the virus inject into the cell?
hormones
tail fibers
viral nucleic acid
capsid proteins
17
14
h
f
g
j
18
5
j
h
f
g
19
What is produced by the photosynthesis reaction?
C6H12O6
light
H2O
CO2
20
The observed trait in an organism as a result of its genetic makeupis called the organism’s
genotype
karyotype
allele
phenotype
21
12
j
g
h
f
22
1
f
g
h
j
23
How many chromosomes are contained ina human male gamete cell?
36
23
11
24
24
Of the following, which is considered aliving organism?
nucleus
mitochondrion
bacterium
sperm
25
Which is the dominant stage in the fern life cyclerepresented by the frond?
it is made of haploid cells
it is a parasite
it is the sporophyte stage
it is the gametophyte stage
26
Which of the following is an abiotic factorin an ecosystem?
grass
fox
rock
worm
27
9
f
j
h
g
28
Round is dominant over wrinkled. Phenotypic ratio in a cross RR x Rr
50% round seeds and 50% wrinkled seeds
100% round seeds
25% RR, 50% Rr, 25%rr
50% RR and 50% Rr
29
Water (H2O) is an example of a molecule whose atoms are held together by
metallic bonds
covalent bonds
hydrogen bonds
ionic bonds
30
The gene for colorblindness inhumans is recessive and mostly affectsmales.It must be located on
both the X and Y chromosome
either the X or Y chromosome
the Y chromosome
The X chromosome
31
13
d
a
c
b
32
The major source of the oxygen that isreleased into the atmosphere is
cellular respiration
photosynthesis
the weathering of rocks
automobile exhaust
33
In a scientific experiment, how manyindependent variables should be tested atthe same time?
none
three or more
one
two
34
Biology is the study of
animals
life
science
molecules
35
11
b
c
a
d
36
10
b
a
d
c
37
Members of which of the following phylahave the MOST species which areparasites of humans?
Platyhelminthes
Echinodermata
Porifera
Mollusca
38
When the order of basesin messenger RNA (mRNA) codes for theorder of amino acids in a protein
transcription
nondisjunction
translation
replication
39
What part of a plant functions as ananchor and as an absorption and storageunit?
flower
stem
leaf
root
40
What is the net gain of ATP molecules(per molecule of glucose) from glycolysis?
1
2
36
4
