If a subtance cannot be broken down chemically into a simpler subtance, what is it?

an element

an atom

a compound

a molecule

Blood in the pulmonary veins returns to the

Most of the photosynthesis in plants takes place in the A-mesophyll B-guard cells C-stomata D-xylem

the color of the fur is the genetic combination of alleles that determine the fur color is called the

If an individual inherits two of the same alleles, either both recessive or both dominant for a particular trait, the inherited genotype is what

Which features of the ocean floor are found in the open ocean? Check all that apply.

Gregor Mendel crossed homozygous tall parts (TT) with homozygous short plants tt what conclusion did Mendel draw?

Through wich tissue do sugar get transported to reach the leaves during growth and reproduction

Which best describes a recessive allele? A) always inherited from a parent when a dominant allele is inherited from the other parent B) never inherited from a parent when a dominant allele is inherited from the other parent C) only determines

In Drosophila, normal eyes are brick red in color. Homozygotes for recessive alleles at the brownlocus (bw/bw) have brown eyes. Homozygotes for recessive alleles at the cinnabar locus (cn/cn) have bright red eyes.

Why is it important to understand the type of volcano mount rainier is and the patterns of activity at the nearest plate boundary?