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Duplicate of EOC review
Duplicate of EOC review
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TX biology EOC review
Flashcards
34 cards
F
Practice quiz
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Host live
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Questions
34
Answers
1
How many daughter cells are formed in meiosis?
1
2
4
0
2
Which process allows for an organism to increase the number of body cells during development?
conjugation
meiosis
mitosis
budding
3
what is the main function of a selectively permeable cell membrane?
break down molecules
storage of water
storage of chemicals
regulate what enters/exits cell
4
Which best describes an advantage of asexual reproduction fora population of organisms?
population can increase in number more rapidly
population can adapt more quickly to a changing environment
population can maintain the same number of organisms
population can develop greater genetic diversity
5
A strand of DNA says ATCGTA. What would the tRNA read?
AUCGUA
UAGCAU
GCAUUT
ACGATU
6
Which statement describes a way in which cellular respiration differs from photosynthesis?
CR provides energy for the cell
CR is carried out in one specific organelle
CR releases carbon dioxide
CR consists of 2 phases
7
Animal cells do not have which of the following?
Nucleus
Cell Membrane
Cytoplasm
Cell Wall
8
Proteins are composed of____
Nucleic Acids
Carbohydrates
Amino Acido
Lipids
9
Which process allows for an organism to increase the number of body cells during development?
meiosis
mitosis
budding
conjugation
10
Which of the following carries information from the nucleus to the ribosomes?
DNA
mRNA
tRNA
rRNA
11
Which abiotic factor limits the altitude at which plants can grow?
presence of a parasite
presence of herbivorous animals
concentration of soil microbes
temperature of the area
12
A fish eating leftover food particles out of a shark's teeth is
Mutualism
Commensalism
Predation
Parasitism
13
Energy that a cell can use is in the form of
ATP
Sunlight
Carbohydrates
Glucose
14
Which of these best describes the initial change caused by a DNA mutation?
a change in the sequence of base pairs
a change in the number of hydrogen bonds between the bases
a change in the number of nucleosomes within a cell
a change in the production of enzymes
15
A reduction in which of these would lead to a decrease in all other populations in the web?
grass
grasshopper
snake
coyote
16
A strand of DNA says ATCGTA. What would the tRNA read?
GCAUUT
UAGCAU
AUCGUA
ACGATU
17
Which is an example of primary succession?
Tornado
Volcano
Flood
Forest Fire
18
Which cross will produce the greatest number of genotypic and phenotypic variations?
rr x rr
Rr x Rr
Rr x RR
RR x RR
19
Which of these best describes mutualism?
neither benefit
one benefits other is harmed
both benefit
one benefits other not affected
20
A prokaryotic cell does not have which of the following
Ribosomes
Cell Wall
Endoplasmic Reticulum
Cytoplasm
21
Which biomolecule is composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio?
Protein
Lipid
Nucleic Acids
Carbohydrates
22
During which phase of the cell cycle is the DNA replicated?
M
S
G2
G1
23
Why does a gopher snake produce a hiss that sounds like a rattlesnake’s rattle?
to attract a mate
to attract prey
to increase adrenaline flow
to confuse predators
24
Which of the following shows the correct order of the phases of Mitosis?
P,M,A,T
T,P,M,A
M,A,P,T
M,A,T,P
25
What fate would result from the inability of a species to reproduce?
species would continue to thrive
species would mutate
species would increase
species would become extinct
26
What is the difference between the way animals and plants exchange gases with their enviro?
animal only photo plants photo & cell respiration
animals photo & cell respiration plants only cell resp
animals photo & cell respiration plants only photo
animals only cell respiration plants photo & cell resp
27
Which effect will a forest fire most likely have on secondary consumers in the ecosystem?
energy constant, consumers don't need producers
energy increase, less competition
energy increase, fewer predators
energy decrease, fewer primary consumers
28
A cell with 24 chromosomes undergoes mitosis twice. How manychromo will each daughter cell have
24
6
12
48
29
What is the role of hydrogen bonds in the structure of DNA?
to separate the strands
to synthesize proteins
to code for proteins
to connect the base pairs
30
Which structure is primarily responsible for directing all processes of a plant cell?
mitochondria
lysosome
chloroplast
nucleus
31
Which type of cell are sperm and egg?
Bacteria
Haploid
Prokaryotic
Diploid
32
Polar bears use sea ice while hunting seals. What result will continued global warming have?
polar bear decrease, seal increase
polar bear increase, seal decrease
polar bear decrease, seal no change
both polar bear & seals increase
33
What percent of energy moves up the energy pyramid?
10
20
15
5
34
Two gametes with 20 chromosomes fuse. How many chromosomes will the zygote contain?
40
20
10
80
