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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
finches with certain beak shapes survived in greater numbers
B
conscious decisions allowed certain finches to survive
C
changes occurred over a short period of time
D
individual finches adapted to their environment.
2) What happens to a protein if the temperature of the environment it is in gets too warm?
A
the protein will no longer function correctly
B
the protein will become denatured
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
amino acids
C
fatty acids
D
monosachharides
5) Surface tension is created by....
A
hydrogen bonds between water molecules
B
hydrogen bonds between water and the container
C
peptide bonds between proteins
D
peptide bonds between amino acids
6) How do prokaryote and eukaryote cells differ?
A
prokaryotes always have chloroplasts
B
prokaryotes have organelles and a nucleus
C
prokaryotes do not have a nucleus, eukaryotes do have a nucleus
D
prokaryotes have a nucleus and eukaryotes do not
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
a vacuole
B
a cell memembrane
C
a nucleus
D
an endoplasmic reticulum
9) The cell membrane is made primarily of monomer:
A
amino acid
B
lipid
C
glucose
D
nucleic acid
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 carbon dioxide molecule
D
a glucose molecule
*select an answer for all questions
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