Guanine, cytosine, thymine and __ are the four __ in dna

Which best describes the law of independent assortment? A. Traits can only be controlled by a single gene. B. Alleles of a trait separate independently when gametes form. C. The traits of an offspring are independent from the parents. D.

Which endocrine gland is paired (meaning that there are two in the body) ?3?

The first generation offspring from true breeding parents is called

What do sunflowers, trees, moss and algae have in common

Sedimentary rocks that are formed partially by animals and plants are called what? A. Biogenic Sedimentary rocks B. Wentworth rocks C. Chemical Sedimentary Rocks D. Clastic rocks

Which of the following provides nutrients to a developing embryo, passes wastes into the mother's blood for disposal and forms tissuses of both the mother and the embryo? A.) placenta B.) umbilical cord C.) amniotic or D.) all of the above

Facilitated diffusion can be described as the favorable movement of one solute down its concentration gradient being coupled with the unfavorable movement of a second solute up its concentration gradient. True or false?

Large blood vessels that carry blood away from the heart to body tissues are called

What packages proteins for the transport out of the cell

In one type of cell division, a single cell forms two new cells. This process is called mitosis. What reasoning describes why human skin cells frequently undergo mitosis?