Plankton are low in the food chain.

a. True

b. False

What was the effect of exercise on blood pressure?

What is the boundary between two rock layers called?

A patient lying supine in bed is being transferred to a wheelchair using a transfer belt. which action would the nurse perform just before moving the patient to the side of the bed?

The insertion of the human insulin gene into the bacterium Escherichia coli allowed it to produce human insulin. Which type of organism is E. coli?

There is a higher sodium concentration on the inside of the cell than there is on the outside of the cell. How will the sodium particles move and by what process? Sodium will move from the outside of the cell to the inside of the cell by osmosis.

Egg laying land animals have evolved to produce eggs with tough shells to ensure that

Which of the following statements describes a proton of an atom? A has a negative charge and is located in the nucleus. B has no charge and is located in the nucleus C has a positive charge and is located in outer energy levels.

What are reasons scientists use models? To study objects far away To study objects too large To study objects too small. To study objects easily found in a lab. To study events that take place over long periods of time.

1. true false Carbon atoms form the building blocks of most living things.

Inhibiting enzymes involved in cell wall synthesis leads to which of the following? A) cell death by osmotic lysisB) a reduction in protein synthesisC) the incomplete synthesis of the bacterial cell wallD) a reduction in the amount of usable energy