When would you find DNA sitting in the nucleus as chromatin, rather than tightly wound into chromosomes?

A mineral forms from water at the edge of a lake. Which statements best describe this mineral? Check all that apply. The mineral formed from lava. The mineral formed through evaporation. The mineral formed when hot water cooled.

Steroidal hormones can be produced by all of the following except ovaries pancreas adrenal cortex testes

Directions Jump up and down on one leg for as long as you can. Respond to the following questions: Describe how your leg began to feel the more you jumped on it. Explain why this feeling occurred according to the processes of cellular respiration.

Why do organisms perform mitosis

What does a completely filled circle represent on a pedigree chart? Group of answer choices A female carrier of a disease A male carrier of a disease A female with a disease A male with a disease

As a seed plant grows the roots grow downward due to the force of

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.