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AIR Review 2021
Test Description: Getting ready for the big day.
Instructions: Answer all questions to get your test result.
1) Finch species in the Galapagos Islands have a wide variety of beak shapes. The theory of natural selection suggests that these differences arose because...
A
individual finches adapted to their environment.
B
changes occurred over a short period of time
C
finches with certain beak shapes survived in greater numbers
D
conscious decisions allowed certain finches to survive
2) What happens to a protein if the temperature of the environment it is in gets too warm?
A
the protein will become denatured
B
the protein will no longer function correctly
C
the protein will change shape and not be recognized by its substrate
D
all answers are correct
3) An exothermic reaction...
A
gives off heat.
B
absorbs heat
4) The monomer for carbohydrates is...
A
nucleotides
B
monosachharides
C
amino acids
D
fatty acids
5) Surface tension is created by....
A
peptide bonds between proteins
B
peptide bonds between amino acids
C
hydrogen bonds between water molecules
D
hydrogen bonds between water and the container
6) How do prokaryote and eukaryote cells differ?
A
prokaryotes have organelles and a nucleus
B
prokaryotes have a nucleus and eukaryotes do not
C
prokaryotes always have chloroplasts
D
prokaryotes do not have a nucleus, eukaryotes do have a nucleus
7) What is the function of the golgi apparatus (golgi body) in a cell?
A
It codes for proteins
B
It makes proteins
C
It folds proteins into the shape needed for them to function
D
It breaks apart proteins that are not functioning.
8) Which of the following is present in every living thing?
A
an endoplasmic reticulum
B
a cell memembrane
C
a nucleus
D
a vacuole
9) The cell membrane is made primarily of monomer:
A
nucleic acid
B
amino acid
C
glucose
D
lipid
10) Which of the following is an example of something that needs a channel to get through the cell membrane?
A
an oxygen molecule
B
a tiny particle moving with the concentration gradient
C
a glucose molecule
D
a carbon dioxide molecule
*select an answer for all questions
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