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Bio I
1: Which of the following is the reason all organisms perform cell respiration?
to produce water
to produce carbon dioxide
to produce ATP
to produce glucose
2: Which of the following performs photosynthesis in plant cells?
ribosomes
mitochondria
central vacuole
chloroplasts
3: Which color of light do chromoplasts NOT reflect?
yellow
red
orange
green
4: The cytoplasm of a cell is composed mostly of water.
true
false
5: Which is NOT true about a plant cell wall?
it is outside the cell membrane
it is very flexible
it has many holes in it
it has no control over what enters and exits a cell
6: Proteins are folded into their active shapes...
at the ribosomes
in the nucleus
in the ER
in the cytoplasm
7: A gene is a segment of DNA that codes for the production of a protein.
true
false
8: The organelle most affected if glucose is not allowed to enter a cell is the ___.
Golgi apparatus
ER
ribosome
mitochondrion
9: Which of the following is NOT true of prokaryotic organisms?
they are the smallest organisms on Earth
they have no nucleus around their DNA
they contain no membrane-bound organelles
they include some of the most complex organisms on Earth
10: The cell is the smallest part of an organism that performs all life processes.
true
false
11: Ribosomes are the site of protein synthesis.
false
true
12: ER with ribosomes attached is termed "rough".
true
false
13: Cell walls surround plant cells, fungi cells, and some ___ cells.
animal
protist
human
bacteria
14: Which of the following is NOT true of mitochondria?
they are found in the greatest number in bone cells
they contain their own DNA
they release energy in the form of ATP
they break down monosaccharides
15: The nucleus is the control center of the cell.
true
false
16: The nucleus is the control center of the cell.
true
false
17: The nucleus is the control center of the cell.
true
false
18: The nucleus is the control center of the cell.
true
false
19: The nucleus is the control center of the cell.
true
false
20: The nucleus is the control center of the cell.
true
false
21: Which is NOT true of ribosomes?
some float in the cytoplasm
they are large organelles
some are attached to ER
they produce enzymes
22: Protein synthesis directly involves the ribosome and the ___.
Golgi apparatus
lysosome
nucleus
mitochondrion
23: _____ DNA is used to make proteins for a cell.
Chromosomal
Cytoplasmic
Ribosomal
Mitochondrial
24: Which does NOT give color to plants?
chromoplasts
leukplasts
chloroplasts
25: The order of bases in a gene determines the protein made.
true
false
26: Which of the following is NOT true of the cell membrane?
it separates the internal cell from the external environment
it controls what enters and exits the cell
it has proteins embedded in it
it is composed mainly of glucose molecules
27: Which of the following is NOT true of flagella?
they are composed of rods of protein
many bacteria use them for movement
no animal cells possess them
there is usually only 1 or a few present on a cell
28: The mitochondrion is nicknamed the powerhouse of the cell.
false
true
29: Ribosomes function in intracellular digestion because they synthesize enzymes that digest molecules in the cell.
true
false
30: Cellular respiration occurs in the ___.
ER
mitochondria
Golgi
cell membrane
31: Plastids are special structures found in ___ cells.
fungal
bacterial
animal
plant
32: Plant cell walls are composed of the polysaccharide cellulose.
true
false
33: ____ possess prokaryotic cells.
Fungi
animals
bacteria
plants
34: Organisms that possess complex cells that contain membrane-bound organelles and a nuclear envelope around their DNA include _______.
viruses
prokaryotes
plants
bacteria
35: The Golgi apparatus packages glucose molecules to be sent to the mitochondria.
true
false
36: Which of the following is NOT true of cilia?
they trap inhaled particles
they are composed of rods of protein
they line the stomach and intestines of animals
they help unicellular organisms move about
