Biology EOC Review

Does active transport require energy?

• Yes: Active transport requires energy to move substances against their concentration gradient.

• No: Active transport does not require energy.

• Only in certain conditions does active transport require energy.

• Active transport is a passive process that does not require energy.

What is the role of enzymes in biological reactions?

• Enzymes are used to store energy in cells.

• Enzymes act as catalysts to speed up chemical reactions without being consumed.

• Enzymes are responsible for the transport of oxygen in the blood.

• Enzymes help in the formation of cell membranes.

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What is the difference between genotype and phenotype?

• Genotype refers to the observable traits, while phenotype refers to the genetic makeup.

• Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

• Genotype and phenotype are the same thing.

• Genotype refers to the physical appearance, while phenotype refers to the genetic information.

What is the function of the cell membrane?

• To provide structural support to the cell

• To control the movement of substances in and out of the cell

• To store genetic information

• To produce energy for the cell

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Is RNA double stranded?

• Yes, RNA is double stranded.

• No, RNA is typically single-stranded.

• RNA can be both single and double stranded.

• RNA is always double stranded.

What are the building blocks of proteins?

• Nucleotides

• Fatty acids

• Amino acids

• Monosaccharides

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What is black hair considered, phenotype or genotype?

• Phenotype: Black hair is a physical expression of genetic traits.

• Genotype: The genetic makeup that determines hair color.

• Allele: A variant form of a gene related to hair color.

• Chromosome: A structure that contains DNA and genetic information.

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What is the purpose of mitosis?

• To produce energy for the cell

• To facilitate genetic recombination

• To enable cell division resulting in two identical daughter cells

• To synthesize proteins for cellular functions

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Does DNA contain uracil?

• Yes, DNA contains uracil.

• No, DNA contains thymine instead of uracil.

• Yes, DNA contains both uracil and thymine.

• No, DNA does not contain any nitrogenous bases.

What is the basic unit of life?

• Cell: The cell is the smallest unit that can carry out all life processes.

• Atom: The atom is the smallest unit of matter.

• Molecule: A molecule is a group of atoms bonded together.

• Organism: An organism is a living entity that can function independently.

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