AP Biology Science Practices

Which of the following processes is an "umbrella" term for the others?

• Osmosis.

• Facilitated diffusion.

• Passive transport.

• Transport of an ion down its electrochemical gradient.

_______ regulates what enters and leaves a cell.  

• Cell Membrane

• Nucleus

• Mitochondria

• Cytoplasm

Tags

NGSS.MS-LS1-2

White blood cells engulf bacteria using _______________.

• phagocytosis

• pinocytosis

• osmosis

• receptor-mediated exocytosis

Which of the following factors would tend to increase membrane fluidity?

• a greater proportion of unsaturated phospholipids

• a greater proportion of saturated phospholipids

• a lower temperature

• a relatively high protein content in the membrane

Which of the following membrane activities requires energy from ATP?

• Facilitated diffusion of chloride ions through a chloride channel.

• Movement of Na⁺ ions from lower concentration in a mammalian cell to a higher concentration in the extracellular fluid.

• Movement of glucose molecules into a bacteria cell from a medium containing a higher concentration of glucose than inside the cell.

• Movement of carbon dioxide out of a paramecium.

An animal cell lacking in carbohydrates on the external surface of its plasma membrane would likely be impaired in which function?

• transporting ions against an electrochemical gradient

• cell-cell recognition

• attaching the plasma membrane to the cytoskeleton

• establishing a diffusion barrier to charged molecules

If the total number of species decline from 700 to 200, what can be said about the biodiversity?

• Biodiversity would not change because extinction has been eliminated.

• Biodiversity is increasing.

• Biodiversity is decreasing.

• Biodiversity is constant and stable.

Tags

NGSS.HS-LS2-2

NGSS.HS-LS4-5

The process by which publicly available resources open to unregulated use use tend to become damaged and depleted through overuse….Is?

• Terracing

• Tragedy Of The Commons

• The Green revolution

• Sustainable Yield

Tags

NGSS.HS-LS2-7

(Choose all that apply)

A species that has been genetically engineered using recombinant DNA technology is?

• GMO’s

• Genetically Modified Organisms

• Perennial Crops

• Aquaculture

Tags

NGSS.HS-LS3-2

The harvest of a specific self renewing natural resource is called?

• perennial crops

• flood irrigation

• Sustainable yield

• Salinization