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WorksheetsSecond Marking Period Review
Total questions: 75
Worksheet time: 39mins
Cells go through the cell cycle so that the organism can...
Grow
Reproduce
Repair
All of these
Which phase is the cell in before it begins cell division?
G0 Phase
S Phase
M Phase
Cytokinesis
A Christmas tree with 12 chromosomes has how many chromosomes after G1?
(a)
A Christmas tree with 12 chromosomes has how many chromosomes after S phase?
(a)
Nuclear membrane disappears
Chromosomes can now be seen
Metaphase
Interphase
Telophase
Prophase
Chromosomes line up at the middle of the cell
Spindle fibers extend and attach to the chromosomes
Prophase
Metaphase
Anaphase
Interphase
Sister chromatids separate to opposite poles
Anaphase
Metaphase
Prophase
Telophase
Nuclear membrane reforms around the two new daughter cells
Cleavage forms
Anaphase
Metaphase
Telophase
Interphase
What phase of mitosis is shown?
Prophase
Metaphase
Anaphase
Telophase
What phase of mitosis is shown?
Prophase
Metaphase
Anaphase
Telophase
What phase of mitosis is shown?
Prophase
Metaphase
Anaphase
Telophase
What phase of mitosis is shown?
Prophase
Metaphase
Anaphase
Telophase
In the cell cycle, what is the last phase where the cytoplasm is cut?
Telophase
Anaphase
Cytokinesis
Interphase
What part of the cell cycle does nuclear division occur?
G0 Phase
S Phase
M Phase
Cytokinesis
During what phase of the cell cycle are chromosomes replicated?
G1 phase
G2 phase
S phase
Mitosis
Which phase checks to ensure DNA was replicated properly?
G1
S
G2
M
What enzyme synthesizes (builds) a semi-conservative complementary DNA molecule?
Helicase
Polymerase
Ligase
Primase
Which best explains the photo?
Resting during G0 phase
DNA synthesis during interphase
Nuclear division during M phase
Cytoplasm division during cytokinesis
Why is interphase the longest phase?
DNA replication and growth of the cell happen here
The nucleus divides during this time
The cytoplasm is cut
The cell is resting and needs time to recover
M Phase
G0
Write the complementary strand to the DNA strand shown:
(a)
What component of DNA explains why organisms have different characteristics?
Different orders of nitrogen bases
Different strengths of hydrogen bonds
Different number of phosphate groups
Different types of sugar
A monomer, building block, or single piece of DNA is a
Nucleotide
Nitrogen base
Phosphate group
Deoxyribose sugar
Adenine, thymine, guanine and cytosine are all examples of a
Nucleotide
Nitrogen base
Phosphate group
Deoxyribose sugar
What causes cancer to occur?
Decrease in mitosis
Increase in interphase
Cells having checkpoints
Unregulated cell division
If a cell fails a checkpoint what happens?
The cell continues on regardless
The cell cycle stops until the problem is fixed
The cell cycle starts over at prophase
The cell divides
How do stem cells become specialized?
Each cell expresses different genes
Each cell contains different DNA
Each cell follows the cell cycle in a different order
Each cell enters the cell cycle at a different time
Which is true about specialized cells?
They all have the same DNA but have different genes turned on
They all have different DNA that tells them what type of cell to become
They all have similar DNA but it is not identical
They all have multiple copies of DNA that they can choose from
Which best explains the process of cell differentiation?
Internal or external stimuli activate genes in stem cells turning them into specialized cells
Random mutations can occur in the DNA of cells during embryonic development
Messenger RNA is converted to transfer RNA when cell differentiation begins
Chemical signals released during the cell cycle can result in the linking of genes
which is NOT a function of the leaves?
absorb water
absorb sunlight
make glucose
gas exchange
which part of the flower attracts pollinators?
petals
stamen
stigma
ovule
What vascular tissue transports water and minerals?
xylem
phloem
roots
stomata
What vascular tissue transports sugars?
xylem
phloem
roots
stomata
which of the following does NOT have a cell wall?
fungi cell
bacterial cells
animal cells
plant cells
tropisms are plants response to stimuli, what causes most tropisms?
hormones
nucleus
xylem
phloem
which is an advantage of sexual reproduction?
genetic variation
offspring are produced quickly
no genetic variation
it requires less energy
what is the energy molecule made during photosynthesis?
glucose
oxygen
ATP
carbon dioxide
what is the energy molecule made during cellular respiration?
glucose
oxygen
ATP
carbon dioxide
what type of biomolecule is made in photosynthesis?
lipids
carbohydrates
proteins
nucleic acids
which organelle performs photosynthesis?
chloroplast
cell wall
mitochondria
nucleus
which tropism is a plant responding to touch?
thigmotropism
hydrotropism
phototropism
geotropism
plants growing toward a window is an example of...
thigmotropism
hydrotropism
phototropism
photosynthesis
organisms that produce their own food are known as (choose 2)
producers
autotrophs
heterotrophs
consumers
what conditions would cause stomata to close?
during the day
during a drought
lack of oxygen
they never close
pollen from an anther landing on the stigma of the same flower is an example of what type of reproduction in a flower (choose 2)
sexual
asexual
self-pollination
cross-pollination
what is the function of ATP?
usable energy for the cell
sugar used for cell walls
holds genetic information
catalyst that speeds up reactions
what are the products of this organelle?
oxygen and glucose
ATP, carbon dioxide, and water
carbon dioxide, light, and water
oxygen and water
what are the reactants of this organelle?
oxygen and glucose
ATP, carbon dioxide, and water
carbon dioxide, light, and water
oxygen and water
what are the reactants of this organelle?
oxygen and glucose
ATP, carbon dioxide, and water
carbon dioxide, light, and water
oxygen and water
what are the products of this organelle?
oxygen and glucose
ATP, carbon dioxide, and water
carbon dioxide, light, and water
oxygen and water
what is this organelle and what process does it perform?
chloroplast - photosynthesis
chloroplast - cellular respiration
mitochondria - photosynthesis
mitochondria - cellular respiration
what is this organelle and what process does it perform?
chloroplast - photosynthesis
chloroplast - cellular respiration
mitochondria - photosynthesis
mitochondria - cellular respiration
where are chloroplasts found?
plants
bacteria
animals
all of these
what organisms perform cellular respiration?
plants
fungi
animals
all of these
what type of energy transformation occurs during photosynthesis?
light --> chemical
chemical --> chemical
thermal --> chemical
chemical --> light
what type of energy transformation occurs during cellular respiration?
light --> chemical
chemical --> chemical
thermal --> chemical
chemical --> light
which part of the flower attracts pollinators?
petals
ovary
stigma
anther
pollen travels to which part of the flower for fertilization to make the seed?
petal
stamen
ovule
filament
what structure allowed the flowers to change color in the water?
xylem - vascular tissue that transfers water up
phloem - vascular tissue that transfers food
roots soak up the water
phloem - vascular tissue that transfers water
what type of tissue do hormones travel through?
vascular
epidermal
shoots
roots
which biomolecule is used for short term energy?
carbohydrates
lipids
nucleic acids
proteins
which biomolecule makes up the majority of the cell membrane?
carbohydrates
lipids
nucleic acids
proteins
which biomolecule is used for long term energy storage?
carbohydrates
lipids
nucleic acids
proteins
which biomolecule holds genetic material?
carbohydrates
lipids
nucleic acids
proteins
which biomolecule catalyzes and speeds up reactions?
carbohydrates
lipids
nucleic acids
proteins
which biomolecule builds muscle?
carbohydrates
lipids
nucleic acids
proteins
which is NOT true of enzymes?
they are proteins
they lower the activation energy
they raise the activation energy
they speed up reactions
glands produce hormones that travel through the blood. which two body systems are used?
endocrine and circulatory
excretory and respiratory
circulatory and excretory
reproductive and respiratory
the brain sends a signal to the lungs to inhale oxygen. which two body systems are involved?
nervous and respiratory
nervous and circulatory
circulatory and respiratory
endocrine and integumentary
when you get hot your body sweats. what two body systems are being used?
integumentary and excretory
integumentary and immune
reproductive and immune
endocrine and excretory
during labor, the smooth muscles of the uterus contract to deliver the baby. what two body systems are being used?
reproductive and muscular
skeletal and muscular
reproductive and skeletal
immune and nervous
when exercising, your heart beats faster to deliver more oxygen to your muscles. what two body systems are working together?
circulatory and muscular
respiratory and muscular
circulatory and respiratory
nervous and skeletal
the kidneys and the bones both play a role in calcium levels. what two body systems are working?
skeletal and excretory
skeletal and endocrine
endocrine and excretory
skeletal and integumentary
you throw up when you get food poisoning. what two body systems are interacting?
digestive and integumentary
digestive and immune
immune and integumentary
nervous and digestive
which correctly lists the levels of organization from small to large?
cells
tissue
organ
organism
organ system
cells
tissue
organ
organ system
organism
tissue
cells
organ
organ system
organism
organism
organ system
organ
tissue
cell
