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Midterm Review
Test Description: Biology Midterm Review
Instructions: Answer all questions to get your test result.
1) Proteins are made up of…
A
A chain of amino acids folded and twisted into a molecule
B
A set of three fatty acids attached to a molecule of glycerol
C
A sequence of nitrogenous bases attached to sugar-phosphate backbone
D
A group of six carbon atoms joined in a ring
2) Cleaner fish, found in tropical reefs, will eat the parasites off of sharks that visit the reefs just for this purpose. The sharks benefit by having parasites removed and the cleaner fish benefit from having food brought to them by the sharks. T
A
parasitism
B
commensalism
C
mutualism
D
predator-prey
3) A pharmaceutical company tested a new drug to relieve arthritis. Some of the subjects received a red and pink capsule with the drug while others received a red and pink capsule with filler and no drug. Those receiving the drug are called the _____
A
hypothesis group
B
experimental group
C
control group
D
analysis group
4) Which of the following would lead to an increase in population size?
A
an increase in the death rate
B
an increase in competition
C
immigration
D
emigration
5) Which of the organisms below is critical for the cycling of nitrogen, specifically in converting it from nitrogen gas into a form usable by living things?
A
plants
B
animals
C
bacteria
D
fungi
6) The storage of genetic information is carried out by ______
A
lipids
B
proteins
C
carbohydrates
D
nucleaic acids
7) Which of the following is NOT one of the 6 most common elements in living things?
A
carbon
B
calcium
C
phosphorus
D
nitrogen
8) Ribosomes perform which of the following tasks for the cell?
A
breaking down waste
B
producing proteins
C
storing genetic information
D
providing energy for the cell
9) Which organelle packages and prepares proteins for export from the cell?
A
Chloroplast
B
Golgi apparatus
C
Mitochondrion
D
Nucleolus
10) The structure most responsible for maintaining a cell's homeostasis is ...
A
mitochondria
B
plasma membrane
C
cell wall
D
cytoplasm
11) Which of the following is an example of a difference between prokaryotes and eukaryotes?
A
Eukaryotes have ribosomes, but prokaryotes do not.
B
Prokaryotes have flagella, and eukaryotes do not.
C
Eukaryotes have cytoplasm, and prokaryotes do not.
D
Prokaryotes do not have nuclei, but eukaryotes do.
12) Which of the following is not a characteristic of living things?
A
all living things reproduce.
B
all living things contain genetic material.
C
all living things respond to the environment.
D
all living things move around.
*select an answer for all questions
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