Write true if the statement is true or false if the statement is false

A person with a phenotype of HbSS has sickle cell disease. A person with a phenotype of HbAS allele carries the sickle cell trait. A person with a phenotype of HbAA does not have sickle cell disease and does not carry the trait.

n some organisms, the primary function of a gene in a cell is to participate in regulating the body as a whole rather than responding to the cell's immediate environment. These organisms would be diploid. multicellular. prokaryotic. bacterial.

In which human activity has had the greatest impact on increasing mercury levels

What one of the following items is a producer of pollution? a. forest b. oceans c. factories d. bicycles user: how many times in the history of earth has the number of species dropped drastically? a. 4 times b. 3 times c. 5 times d. 6 times

Why does the United States experience winter during the months of November through early March

What is the relationship between genetic variation and natural selection?

Why has antibiotic resistance evolved in bacteria? A. All bacteria reproduce very quickly. B. Bacteria exposed to antibiotics developed a resistance to them. C.

What is anaerobic respiration? A. The process cells use to release energy from glucose when oxygen is not available B. Physical activity that increases heart and breathing rates C. Physical activity that decreases heart and breathing rates D.

Newborn human babies with lesser body weight are prone to infections. Heavier babies are difficult to deliver through the narrow pelvic passage of human mothers and may not survive.

This biomolecule provides long term storage of energy in heterotroph A.) Carbohydrate B.) Lipids C.) Proteins D.) Nucleic Acids