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Living Environment Regents Review 2
Test Description: Review questions to prepare for the Living Environment Regents exam.
Instructions: Answer all questions to get your test result.
1) Which organelle in a cell accomplishes waste disposal?
A
mitochondria
B
ribosomes
C
nucleus
D
Cell membrane
2) What part of the cell membrane is able to recognize chemical signals?
A
mitochondria
B
amino acids
C
lipids
D
receptor proteins
3) When starch is digested, what smaller molecules is it digested into?
A
amino acids
B
enzymes
C
nitrogenous bases
D
simple sugars like glucose
4) When a protein is digested, what smaller molecules is it digested into?
A
simple sugars like glucose
B
nitrogenous bases
C
amino acids
D
enzymes
5) What molecules have specific shapes that are very important to their functions?
A
all of the above
B
receptor molecules
C
enzymes
D
antibodies
6) In which cell organelle would respiratory enzymes be found?
A
mitochondria
B
ribosomes
C
nucleus
D
cell membrane
7) In which cell organelle would light be used to convert inorganic molecules into organic molecules?
A
cell wall
B
chloroplast
C
nucleus
D
mitochondria
8) During photosynthesis, plants absorb (take in) the gas
A
oxygen
B
nitrogen
C
water vapor
D
carbon dioxide
9) During photosynthesis, what gas do plants release?
A
carbon dioxide
B
water vapor
C
nitrogen
D
oxygen
10) What organic molecule is made by plants during photosynthesis?
A
fats
B
carbohydrates (like glucose)
C
DNA
D
proteins
11) The purpose of photosynthesis for the plant is to
A
make organic molecules (nutrients) for the plant
B
maintain plant homeostasis
C
help the plant absorb water
D
provide energy
12) What is the purpose of respiration in plants, animals and other organisms?
A
to make proteins
B
to replicate DNA
C
to extract energy from nutrients and make ATP for energy for life functions
D
the make organic molecules (nutrients) for the plant
13) What gas is taken in during respiration?
A
nitrogen
B
carbon dioxide
C
oxygen
D
water vapor
14) What gas is released during respiration?
A
water vapor
B
nitrogen
C
oxygen
D
carbon dioxide
15) What makes up the genetic code in DNA?
A
amino acids
B
ribosomes
C
lipids
D
the sequence of bases (A, C, G, T)
*select an answer for all questions
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