Question 1 (5 points) When salt is added to water, what happens to the molecules?

Water and salt molecules remain together.

The water molecules remain together. The salt molecules break apart.

Water and salt molecules break apart.

The water molecules break apart. The salt molecules remain together.

How do you transfer mrna into codons ? i'm so confused : (

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above