AIR Review 2021 Question Preview (ID: 56260)
Getting Ready For The Big Day.
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What is the function of the golgi apparatus (golgi body) in a cell?
a) It makes proteins
b) It codes for proteins
c) It folds proteins into the shape needed for them to function
d) It breaks apart proteins that are not functioning.
Which of the following is present in every living thing?
a) a nucleus
b) a cell memembrane
c) a vacuole
d) an endoplasmic reticulum
How do prokaryote and eukaryote cells differ?
a) prokaryotes have a nucleus and eukaryotes do not
b) prokaryotes have organelles and a nucleus
c) prokaryotes do not have a nucleus, eukaryotes do have a nucleus
d) prokaryotes always have chloroplasts
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
An exothermic reaction...
a) gives off heat.
b) absorbs heat
c)
d)
The monomer for carbohydrates is...
a) amino acids
b) monosachharides
c) nucleotides
d) fatty acids
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 change shape and not be recognized by its substrate
c) the protein will become denatured
d) all answers are correct
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) changes occurred over a short period of time
b) finches with certain beak shapes survived in greater numbers
c) conscious decisions allowed certain finches to survive
d) individual finches adapted to their environment.
The cell membrane is made primarily of monomer:
a) glucose
b) nucleic acid
c) amino acid
d) lipid
Which of the following is an example of something that needs a channel to get through the cell membrane?
a) a carbon dioxide molecule
b) an oxygen molecule
c) a glucose molecule
d) a tiny particle moving with the concentration gradient
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