All cells are surrounded by a membrane. Which is a characteristic of a cell membrane? A) It is rigid B) It is semipermeable C) It is weak D) It is square

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What does haploid number of chromosomes represent?

In many animals, glucose, rather than starch, is transported by the blood through the body to all cells. In the digestive system, starches are digested by amylase to yield glucose.

A healthy diet provides the body with the correct amount of nutrients it needs to

What does it mean when the prefix 'nimbo-' is used to name a cloud?

Which best describes the process of science?

Which of the following statements explains why viruses are considered non-living? Question 2 options: A) viruses are too small. B) Some viruses have RNA for genetic material instead of DNA.

Which of these is considered to be the "king" of the social sciences Geography Economics Sociology Political science

How much time have organisms had to change?

Which winds are usually warmer and more humid? Winds blowing from the north Winds blowing from the south Winds moving from the land Winds moving toward the ocean