27 Jun BIO Multiple Choice Questions
Question
1. A nucleus is found in: (Points: 5)
bacteria.
eukaryotic cells.
blue-green algae.
All of these answers are true.
2. The main components of a cell membrane are: (Points: 5)
phospholipids and proteins.
steroids and carbohydrates.
nucleic acids and simple sugars.
proteins and steroids.
3. The endoplasmic reticulum: (Points: 5)
functions in internal transport of macromolecules.
carries on cellular respiration.
is the site of photosynthesis.
is dispersed nuclear material of DNA and protein.
4. The aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the: (Points: 5)
lysosome.
mitochondrion.
chloroplast.
flagellum.
5. Long structures used for cell movement are: (Points: 5)
centrioles.
cilia.
flagella.
granules.
6. Some people get repeated fungal infections because they cannot destroy these dangerous microbes after their white blood cells phagocytize them. This most likely means that these people have _______ that do not work properly. (Points: 5)
ribosomes
lysosomes
mitochondria
microtubules
7. Enzymes are: (Points: 5)
fats.
sugars.
starches.
proteins.
8. Enzyme competition occurs when: (Points: 5)
one type of enzyme reacts with one type of substrate.
an enzyme does not react with a substrate.
three different types of enzymes react with one type of substrate.
an enzyme stops a reaction.
9. The proton pump is responsible for the production of: (Points: 5)
ATPs.
oxygen.
ADP.
All of these answers are true.
10. An anaerobic process does not require: (Points: 5)
water.
oxygen.
energy.
phosphate.
11. The end product of glycolysis is: (Points: 5)
ketone.
alcohol.
pyruvic acid.
lactic acid.
12. The result of the complete breakdown of glucose during aerobic cellular respiration in eukaryotic cells will yield a net gain of: (Points: 5)
two ATP.
four ATP.
thirty-six ATP.
forty-two ATP.
13. Lactic acid is formed by combining: (Points: 5)
pyruvic acid and hydrogen.
CO2 and hydrogen.
ethyl alcohol and hydrogen.
pyruvic acid and oxygen.
14. 14. Before fats can be metabolized in aerobic cellular respiration, they must be converted to: (Points: 5)
simple sugars.
fatty acids and glycerol.
amino acids.
fatty acids and amino acids.
15. The digestion of a protein results in: (Points: 5)
sugars.
enzymes.
amino acids.
the formation of peptide bonds.
16. The molecule that traps the sun’s energy is: (Points: 5)
ATP.
glyceraldehyde-3-phosphate.
chloroplast.
chlorophyll.
17. __________ take(s) place within the grana. (Points: 5)
Light-dependent reactions
Light-independent reactions
The entire photosynthesis process
Aerobic cellular respiration
18. Thylakoids are found in: (Points: 5)
chloroplasts.
mitochondria.
liver cells.
fungal cells.
19. Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called: (Points: 5)
mitochrondria.
photosystems.
light-independent reactions.
ribulose.
20. O2 is a product of: (Points: 5)
light-dependent reactions.
light-independent reactions.
light-capturing events
All of the choices are correct.
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