Which substance is used in a sewage treatment system to kill harmful bacteria

A red blood cell placed in distilled water will swell and burst due to the movement of Your answer: salt from the distilled water diffusing into the cell water molecules moving by osmosis into the cell water from the red blood cell moving into the

What is down syndrome?

What supports the external ear?

The general medical term for deterioration of mental functioning resulting from a brain disorder is

The nervous system determines the pitch of a tone by

1. What can all rocks be broken down into? 2 What kind of rock does magma cool and harden into another?

Why might it be beneficial for governments to restrict the types of plants and animals that individuals can keep as pets in a particular environment?

1. Which of the following gene is responsible for an amino acid synthesis in YAC vector? CEN URA3 ARS TRP1

Aldosterone is a hormone that is released by the adrenal cortex when your blood pressure is low. It is a fat-soluble molecule and causes water conservation in the kidneys by causing more sodium pumps to be made when it binds with its receptors.

Which of the following is not correct about the nucleus of an animal cell