The name of hormone that lowers the calcium concentration in blood is called:

A / PTH

B / Rennin

C / Calcitriol

D / Calcitonin

The body is protected against harmful flu viruses by

A segment of a gene contains 27 nucleotides, none of which include stop or start codons. How many amino acids does this segment code for? Group of answer choices 9 amino acids 81 amino acids 27 amino acids 3 amino acids

What is the term for wrtiting that is based on imagination examples include story's novels and plays

Explain why a plasmid and a segment of DNA to be inserted into a plasmid must be cut with the same restriction enzyme. Use the term sticky ends in your response.

Why are earths materials and energy considered to be in equilibrium -earths materials are recycled and reused constantly -earths materials are all divided in equal amounts -energy is balanced and cannot be created or destroyed -energy is always

Which process copies from DNA onto mRNA

State two proteins in blood which are responsible for determine the blood group of a person

The statement, "Energy can neither be created nor destroyed, but can change from one form to another," is the first law of thermodynamics the second law of thermodynamics the third law of thermodynamics scientifically unproven

How do plants living in deep shade manage to make their food

What can cells can be defined as