WorksheetsSpring 2023 Checkpoint # 3 Review
Total questions: 20
Worksheet time: 18mins
Which of the following displays the levels of organization INCORRECTLY from smallest to largest?
Atom, Molecule, Organelle, Cell
Organ System, Organ, Organism, Population
Community, Ecosystem, Biome, Biosphere
Organelle, Cell, Tissue, Organ
Which of the following is NOT an example of homeostasis?
A human producing gametes
A plant bending toward sunlight
A bird drinking water when thirsty
A dog stealing chicken off the kitchen counter when hungry
Define evolution in genetic terms.
any change in the frequency of alleles in populations of organisms from generation to generation.
any change in the frequency of alleles in an individual organism over it's lifespan.
any change in the frequency of alleles in communities of organisms from generation to generation.
any change in the frequency of alleles in an ecoystem of organisms from generation to generation.
A virus that goes through the ______ cycle will allow you to feel symptoms immediately due to the cells lysing.
Lytic
Lysogenic
A virus that hides within the host cell for up to years is going through the _______ cycle.
Lytic
Lysogenic
F
G
H
J
A
B
C
D
C6H12O6 is the chemical formula for this important molecule made during photosynthesis
carbon dioxide
glucose
oxygen
light energy
Look at where the pointer is aiming towards. Which phase is this in?
Interphase
Metaphase
Anaphase
Telephase
If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?
20
10
40
200
Letter D...
active site
enzyme
substrate
products
Letter B...
active site
enzyme
substrate
products
The ____________________ mechanism describes how each substrate must fit into the enzyme.
lock and key
hammer and nail
jigsaw puzzle
seesaw
