Glucose and animo acids move in or out of a cell by __.

A) passive diffusion

B) facilitated diffusion

C) active transport

D) endocytosis and exocytosis

What does diploid mean? What types of cells are diploid? What is the diploid number for humans?

How are freshwater environments, such as rivers and lakes, being impacted by human activity

Why is the digestive system not considered as an excretory system even though it gets rid of wastes?.

Which of the following statements about dna replication is false? single-strand binding proteins are required. the replication complex is made up of proteins. the dna helix must be unwound for replication to occur.

Explain the correlation between body mass and metabolic rate. be sure to include information and data presented in the lab in your answer.

Why does air at 75% relative humidity and 30°C make your skin feel stickier than air at 75% relative humidity at 10°C? A. Warm air rises while cold air falls. B. The warmer air contains less water vapor per unit of volume. C.

When the two solutions are mixed, a clear solution with white powder at the bottom results., What has caused this change?

What receptor type is exemplified opening a channel to get sodium into the cell

What is the total amount of tissue of all organisms in a food chain called?

If an entire stack of rock layers has been folded, which of these would have occurred most recently?