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