Midterm Review Question Preview (ID: 27382)

Biology Midterm Review.[print questions]

The structure most responsible for maintaining a cell's homeostasis is ...
a) mitochondria
b) cell wall
c) plasma membrane
d) cytoplasm

Which of the following is an example of a difference between prokaryotes and eukaryotes?
a) Prokaryotes have flagella, and eukaryotes do not.
b) Eukaryotes have cytoplasm, and prokaryotes do not.
c) Prokaryotes do not have nuclei, but eukaryotes do.
d) Eukaryotes have ribosomes, but prokaryotes do not.

Ribosomes perform which of the following tasks for the cell?
a) storing genetic information
b) providing energy for the cell
c) producing proteins
d) breaking down waste

Which organelle packages and prepares proteins for export from the cell?
a) Golgi apparatus
b) Mitochondrion
c) Chloroplast
d) Nucleolus

Which of the following is NOT one of the 6 most common elements in living things?
a) carbon
b) phosphorus
c) nitrogen
d) calcium

The storage of genetic information is carried out by ______
a) carbohydrates
b) lipids
c) nucleaic acids
d) proteins

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) bacteria
c) fungi
d) animals

Which of the following would lead to an increase in population size?
a) immigration
b) emigration
c) an increase in competition
d) an increase in the death rate

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) control group
b) hypothesis group
c) analysis group
d) experimental group

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) predator-prey
b) mutualism
c) parasitism
d) commensalism

Proteins are made up of…
a) A group of six carbon atoms joined in a ring
b) A set of three fatty acids attached to a molecule of glycerol
c) A chain of amino acids folded and twisted into a molecule
d) A sequence of nitrogenous bases attached to sugar-phosphate backbone

Which of the following is not a characteristic of living things?
a) all living things move around.
b) all living things reproduce.
c) all living things respond to the environment.
d) all living things contain genetic material.

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