Which describes a trait from a recessive gene? A) It causes a mutation. B) It masks a dominant gene trait. C) It can appear if it is heterozygous. D) It usually appears only if it is homozygous.

Which best describes this scenario? genetic engineering gene therapy cloning selective breeding

Dose trees give oxygen or do we breathe carbon dioxide or other way around

Carbohydrates, lipids, and proteins all contain carbon, hydrogen, and oxygen. Which one also contains nitrogen? A) carbohydrates. B) lipids. C) proteins. D) none of the above.

Fill in the blanks to complete the passage. Through the process of, old, dense crust is pushed toward a deep-ocean. There, it sinks under lighter crust. It returns to molten rock, becoming part of the again.

What is the chemical formula for ferric oxide

What is the term for a male reproductive cell?

What happens if people keep killing sharks and who wants to stop it and how may do we kill a year

In which conditions did the water move through the cell membrane when the cell was surrounded?

What materials are filtered from the blood in the kidney

What structure brings tRNA and mRNA together