Living Environment Regents Review 2 Question Preview (ID: 22878)


Review Questions To Prepare For The Living Environment Regents Exam. TEACHERS: click here for quick copy question ID numbers.

Which organelle in a cell accomplishes waste disposal?
a) Cell membrane
b) mitochondria
c) nucleus
d) ribosomes

What part of the cell membrane is able to recognize chemical signals?
a) lipids
b) receptor proteins
c) amino acids
d) mitochondria

When starch is digested, what smaller molecules is it digested into?
a) amino acids
b) nitrogenous bases
c) simple sugars like glucose
d) enzymes

When a protein is digested, what smaller molecules is it digested into?
a) amino acids
b) nitrogenous bases
c) simple sugars like glucose
d) enzymes

What molecules have specific shapes that are very important to their functions?
a) enzymes
b) receptor molecules
c) antibodies
d) all of the above

In which cell organelle would respiratory enzymes be found?
a) cell membrane
b) nucleus
c) ribosomes
d) mitochondria

In which cell organelle would light be used to convert inorganic molecules into organic molecules?
a) mitochondria
b) nucleus
c) chloroplast
d) cell wall

During photosynthesis, plants absorb (take in) the gas
a) oxygen
b) carbon dioxide
c) nitrogen
d) water vapor

During photosynthesis, what gas do plants release?
a) oxygen
b) carbon dioxide
c) nitrogen
d) water vapor

What organic molecule is made by plants during photosynthesis?
a) proteins
b) fats
c) carbohydrates (like glucose)
d) DNA

The purpose of photosynthesis for the plant is to
a) provide energy
b) make organic molecules (nutrients) for the plant
c) help the plant absorb water
d) maintain plant homeostasis

What is the purpose of respiration in plants, animals and other organisms?
a) the make organic molecules (nutrients) for the plant
b) to make proteins
c) to replicate DNA
d) to extract energy from nutrients and make ATP for energy for life functions

What gas is taken in during respiration?
a) oxygen
b) carbon dioxide
c) nitrogen
d) water vapor

What gas is released during respiration?
a) oxygen
b) carbon dioxide
c) nitrogen
d) water vapor

What makes up the genetic code in DNA?
a) ribosomes
b) amino acids
c) the sequence of bases (A, C, G, T)
d) lipids

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