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Biology review
Biology review
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A #6week review for #EOC #biology
Flashcards
63 cards
F
Practice quiz
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Host live
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Questions
63
Answers
1
What is natural selection?
Species do not evolve. Anologous structures
Species evolve from different ancestors. Blood typing
organisms are better suited to their environment
Species evolve from one source. DNA, common traits
2
Hypotonic means
Water moves in to the cell
Water and glucose are balanced
No net movement in or out of the cell
Water moves out of the cell
3
The sequence of the bases in DNA is most important for which of the following?
Preventing mutations
Providing the instructions
Helping form the sugar-phosphate backbone of DNA molecules
Allowing the DNA to have the shape necessary for replication
4
Integumentary system and Immune system
Heart and lungs
Skin and white blood cells
Liver and kidneys
Bones and muscles
5
If an ecosystem is in equilibrium, it must have:
Grass
More producers than consumers
Energy Source
Predation
6
both organisms benefit
Commensalism
Parasitism-
Predation-
Mutualism
7
Digestive system and Excretory system
Liver and kidneys
Heart and lungs
Bones and muscles
Skin and white blood cells
8
Cell differentiation is most directly regulated by which biological Macromolecule?
Proteins
DNA
Lipids
RNA
9
What organelles does a plant have that an animal does not?
Ribosomes and cell wall
Chloroplasts and cell wall
Chloroplasts and nucleus
Mitochondria and Golgi
10
During which cellular process does telophase occur?
Translation
Transcription
Mitosis
Interphase
11
Heterozygous parents produce an offspring ratio of
1:2:1
3:1
6:9:3
50:50
12
Which phase of mitosis is occurring in the cell indicated by the arrow?
Anaphase
Telophase
. Metaphase
Prophase
13
Which components of DNA are referred to as the genetic code?
Phosphate groups
Hydrogen bonds
Deoxyribose sugars
Nitrogenous bases
14
Circulatory system and Respiratory system
Liver and kidneys
Heart and lungs
Bones and muscles
Skin and white blood cells
15
Place the taxa in the correct order from least specific to most specific.
Genus, Species, Kingdom, Phylum, Class, Order, Family,
No correct answer
Kingdom, Phylum, Class, Order, Family, Genus, Species
Species, Genus, Family, Order, Class, Phylum, Kingdom,
16
Part of an important cellular process involving a DNA strand is modeled.
Transcribing information in the DNA sequence
Producing more nucleotides for the DNA sequence
Preserving genetic information for future generations
Deleting information
17
An enzyme inhibitor...
changes the shape of the enzyme
enables a substrate to bond
destroys the enzyme
stops a substrate from binding
18
one organism benefits, other is harmed
Commensalism
Predation-
Mutualism
Parasitism-
19
Drugs may have the potential to reverse the unregulated reproduction of the diseased cells.
DNA transcription
Cellular respiration
Erythroblast differentiation
Cell division
20
Isotonic means
No net movement in or out of the cell
Water and glucose are balanced
Water moves in to the cell
Water moves out of the cell
21
Which characteristic is shared by all living cells?
DNA
Chloroplasts
Movement
Mitochondria
22
Energy flow between one animal and another
Parasitism-
Predation-
Mutualism
Commensalism
23
If there was 12% Cytosine in a DNA sample, how much Adenine would there be?
76
38
64
12
24
What is the difference between the xylem and phloem?
All of the above
The Xylem carries water down, but the phloem carries it up
The Xylem carries water up, but the phloem carries sugars
The Xylem carries nutrients, but the phloem is support
25
What are the four bases in RNA?
AUCG
ATCU
ATUG
ATST
26
Where do we get our energy from?
E.R
Mitochondria
Golgi
Nucleus
27
A model of a DNA molecule is shown. The arrow indicates
the junction of a codon and a DNA triplet
the junction of introns and exons in the sense strand of DNA
the bond between phosphate and deoxyribose molecules
the hydrogen bond between complementary nucleotides
28
If an ecosystem is in equilibrium, what type of community is produced?
Primary
Climax
Secondary
Tertiary
29
These are F1 generation. they are a result of a
dihybrid cross
monohybrid cross
heterozygotes
homozygotes
30
Cell differentiation means
Cells become specialized
Cells change role
Cells become stem cells
Cells enter the cell cycle
31
By studying this photograph, scientists gained knowledge about the
role of DNA in protein synthesis
mutation of nucleotide sequences in DNA
sequence of DNA that makes up the human genome
double-helix structure of DNA
32
Phosphate group, sugar, nitrogenous base...
Lipids
Carbohydrates
Proteins
RNA/DNA
33
What type of molecule is produced in this image?
Polypeptide
Protein
DNA
mRNA
34
How do enzymes work?
Enzymes are responsible for photosynthesis
Enzymes will not bind to a specific site.
Enzymes will bind to a specific substrate at the active site
Enzymes create energy
35
Which of these occurs just before the cell enters the G2 stage of the cell cycle?
Centrioles form
nucleolus divides
DNA replicates
nuclear membrane disintegrates
36
A section of a nucleic acid is shown. . What type of molecule is produced?
C. Messenger RNA
A. New DNA
B. Polypeptide
D. Carbohydrate
37
What biomolecule do we need to look at for quick energy?
Fiber
Lipids (Fats, saturated and unsaturated)
Carbohydrates
Proteins
38
The cycle allows an organism to
grow
be fertilized
stay in homeostasis
change
39
In dehydration synthesis, is energy absorbed or is it released from the chemical bonds?
Released
Absorbed
40
The cellular process that enables the cells to grow and develop into tissue is —
conjugation
meiosis
mitosis
budding
41
Which phase of the cell cycle is represented by II?
M Phase
G2
G1
S
42
In hydrolysis, is energy absorbed or is it released from the chemical bonds?
Absorbed
Released
43
The cellular process that enables the cells to grow and develop into tissue is
budding
conjugation
mitosis
meiosis
44
What are the 4 bases in DNA?
ATST
ATAT
ATCG
AUCG
45
Answer; DNA contains codes for proteins
The sequence of the bases in DNA is important for what?
Which components of DNA are referred to as the genetic code?
How is information for proteins carried on the DNA molecule?
How does DNA in cells decide an organism’s complex traits?
46
The code for specific traits is carried in the sequence of the...
Sugar
Base
Protein
Phosphate
47
One organisms benefit, other not affected
Parasitism-
Predation-
Commensalism
Mutualism
48
. Compare and contrast plant and animal cells
Plant have a chloroplast. Animal cells have no cell wall
Animals are the same as plants
Plants have cell walls and no mtichondria
Plants have no nucleus
49
Meiosis is necessary in order to ensure that each gamete produced in the human body has —
23
12
92
46
50
Cancer cells are different because they cannot enter G0 phase and are likely to do what?
Fail to complete S phase
Mutate during G1 phase
Repeat the cell cycle continuously
Die after completing mitosis
51
Explain in detail how viruses reproduce. Put the following in the correct order:
a. Use the host cell to make identical copies of themselves
c. Attach to a host cell using projections
Invade a host body
b. Inject their DNA or RNA into the host cell
52
Ursus maritimus and Ursus arctos are both in the same___ but different ___
1. Class 2. phylum
1. Genus 2. Species
1. Species. 2. Family
1. Family 2. order
53
Which of the following polypeptides is coded for by the mRNA sequence 5’AUGGUUAAACGACAAUCC3’?
J. Ile, Gln, Lys, Asp, Gly, Leu, Ser
H. Met, Val, Lys, Arg, Gln, Ser
G. Met, Asp, Phe, Ala, Arg
F. Val, Lys, Phe, Gly, Ser
54
Where do we get our energy from and what form does our body use it?
Lipids and AUG
Proteins and GDP
The sun and ADP
Food and ATP
55
Which of these must occur during S phase?
The cytoplasm must be separated
The DNA must be replicated.
The cell membrane must be expanded
The chromosomes must be joined.
56
What is “common ancestry”? How do scientists know different organisms share a common ancestor
Species do not evolve. Anologous structures
organisms are better suited to their environment
Species evolve from one source. DNA, common traits
Species evolve from different ancestors. Blood typing
57
How does DNA in cells determine an organism’s complex traits?
DNA separates into long single strands
DNA contains codes for proteins
DNA folds into the nucleus
DNA produces the energy
58
Biology is the only science in which multiplication is the same thing as division.
True
False
59
Turning off genes can cause cells to divide too rapidly, often leading to the development of —
tumors
hemophilia
cardiovascular disease
allergies
60
Cancer cells are different because they cannot enter G0 phase and are likely to do what?
Mutate during G1 phase
Repeat the cell cycle
Fail to complete S phase
Die after completing mitosis
61
Which of these occurs just before the cell enters the G2 stage of the cell cycle?
DNA replicates
The nucleolus divides.
The nuclear membrane disintegrates.
Centrioles form
62
Hypertonic means
Water moves in to the cell
Water and glucose are balanced
Water moves out of the cell
No net movement in or out of the cell
63
Skeletal system and Muscular system
Skin and white blood cells
Bones and muscles
Liver and kidneys
Heart and lungs
