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