What does it mean for a cell membrane to be selectively permeable?

A. It allows some substances to pass through but blocks the passage of others.

B. It allows only water molecules to pass through.

If a healthy 6-year-old child (who does not have evidence of immunity to varicella) was exposed to a confirmed case of varicella 2 days ago, the correct action to take is: a) Advise the parents that the child will likely develop varicella.

In the pioneer stage of primary succession, small flowering annual plants - F attract insects to the community G cause more kinds of mosses to grow H prevent growth of new species of trees J drive birds from the community

What is the total number of ATP produced by cellular respiration?

Explain the rationale behind why world quarantines have been put in place to flatten the curve. Use the words density-dependent limiting factors, emigration, immigration, death rate and population.

Which is a function of the cell membrane? A. performs photosynthesis B. controls what enters and leaves the cell C. protects the external structures of the cell D. provides energy to the cell

what is one type of new constellation that edmond halley saw in the sky while he was on the island of st. helena

Global winds and ocean currents are not related to and do not affect climates true or false? and why

What type of blood vessel returns blood to the heart? A. Artery B. Vein C. Capillary D. None of the above

Why is fatigue one of the syptoms of iron-deficiency anemia?

During binary fission, DNA copies move to opposite ends of the parent cell. This process is most similar to which phase of mitosis?