Which element is present in all protein but not necessarily in fat or carbohydrates

Hydrogen

Nitrogen

Carbon

Oxygen

In 1952 Hershey and chase conducted a series of experiments indicating that DNA was the physical carrier of heredity True or False?

This question asks you to make comparisons regarding the slope of an exponential growth curve, based on generation time.

What is activation energy? How does an enzyme affect the activation energy in a chemical reaction?

Is dwarfism a sex linked or autosomal disease

Which best describes the sex chromosomes in humans? O A. Males have two X chromosomes. O B. Females have one X and one Y chromosome. O C. Males have two Y chromosomes. O D. Males have two different chromosomes.

How do u use alleles in a sentence

Which step of hemostasis involves activation of formed elements in the blood?

White coloring in guinea pigs is recessive. What will the offspring be from a cross between a white guinea pig and a heterozygous black guinea pig?

Which of the following components is NOT part of the modern cell theory? A) All cells arise from preexisting cells. B) Bacteria are examples of eukaryotic cells. C) All living organisms are made up of one or more cells.

A person who has a weakened immune system may not be able to fight against infection because pathogens may enter the body and cause illness. phagocytes many enter the body and cause illness. normal cells crowd out unhealthy cells.