Embryonic stem cells are gathered from the inner cell mass of the blastocyst are called because they can develop into most but not all human cell types

What does an enzyme do?

How do exons and introns differ? Exons code for proteins. Introns code for proteins. Exons do not have a code. Introns do not have a code.

Sucrose molecules break down during cellular respiration. true or false?

Evolution Bottleneck

a scientist is conducting an investigation that involves water, silver corbon dioxide, and oxygen gas. Which group of statement best describes all of the materials he is using in the investigation?

Hurry! Explain why salt marshes are restricted to low energy coastlines

The father of a soldier who was killed 2 days ago is admitted after a serious suicide attempt. he is medically stable and has signed a no-harm contract.

Which of the following is a prediction based on the cell theory that all organisms are made of cells, and all cells come from preexisting cells?1. If you boil nutrient broth and place it in an air-tight flask, cells will appear in the broth2.

During photosynthesis, the energy from sunlight is used to split water molecules. What happens to the hydrogen ions that are split from the water molecules?

Which part of a scientific argument must be supported by valid data