Biology Final Exam Review 2

The five-carbon sugar in DNA nucleotides is called ribose.

• True

• False

Molecules that are attracted to water are said to be hydrophilic.

• True

• False

Hair color and eye color are examples of a person's

• recessive traits.

• dominant alleles.

• genotype.

• phenotype.

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NGSS.HS-LS3-1

Which invention played the biggest role in the discovery of cells by early scientists?

• magnifying glass

• lens

• compound microscope

• eyeglasses

Which phrase best describes the process of facilitated diffusion?

• moves molecules against a concentration gradient

• requires no energy from the cell

• moves only hydrophobic molecules

• requires ATP

Which sequence shows the progression from least complex structure to most complex structure?

• cell → tissue → organ → organ system

• organ system → tissue → organ → cell

• organ system → organ → tissue → cell

• cell → organ → tissue → organ system

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NGSS.HS-LS1-2

Which organelles are unique to plant cells?

• ribosomes

• centrosomes

• chloroplasts

• vacuoles

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NGSS.MS-LS1-6

Which model did scientists develop to describe the cell membrane?

• phospholipid model

• dynamic model

• fluid mosaic model

• transport model

The cell theory states that all organisms are made of cells; cells are the most basic unit of life; and all existing cells form by free-cell formation.

• all existing cells form by free-cell formation.

• all cells are eukaryotic.

• all existing cells are produced by other living cells.

• all cells have a nucleus.

Which of the following shows the correct sequence of the cell cycle?

• cytokinesis → mitosis → G₁ → S → G₂

• mitosis → G₁ → S → G₂ → cytokinesis

• G₁ → S → G₂ → mitosis → cytokinesis

• S → G₁ → G₂ → mitosis → cytokinesis

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NGSS.HS-LS1-4