In eukaryotic cells, the electron transport chain occurs in the
What will be an ideal response?
mitochondrion
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Staphylococcus aureus produces carotenoids that neutralize singlet oxygen and prevent killing
Indicate whether the statement is true or false.
Answer the question using the accompanying figure. Which number identifies a structure that is composed of
polysaccharides?
a. 1 b. 3 c. 6 d. 7 e. 9
The gases O2 and CO2 enter or leave a plant cell by
A) facilitated diffusion. B) simple diffusion. C) active transport. D) osmosis. E) facilitated transport.
Phosphorus deficiency often appears early in plant growth and results in stunting. Which of the following are reasons why a deficiency in phosphorus would cause growth abnormalities in plants? (Check all that apply.)A) Phosphorus is required for the storage and transfer of energy.B) Phosphorus is required for the production of amino acids that form proteins.C) Phosphorus is required for DNA replication.D) Phosphorus is necessary for building molecules in the cell membrane.E) Without phosphorus, cellular replication is impeded.
What will be an ideal response?