Which plant tissue transports sugars from the leaves of a plant back to the roots for storage?

A.) chloroplasts

B.) xylem

C.) phloem

D.) meristem

How do cells move potassium ions against a concentration gradient, from a lower concentration to a higher one

Why does a cell undergo mitosis?

A comet that approaches the sun every one hundred years would be classified as what comet

Hemophilia is an X-linked recessive disorder. What is the probability of having hemophilia for the cross that is shown in the Punnett square?

Distinguish between an object that is truly weightless and an object that is weightless because it is in free fall.

Which structure normally stimulates an allergic response? (1) white blood cells (2) antigen (3) antibodies (4) white blood cells, antigen and antibodies

In the kidney of mammals, the site of ultrafiltration is the a. uriniferous tubule b. bowman's capsule c. loop of henle d. renel tubule

In cats, orange coat color is determined by the b allele, and black coat color is determined by the B allele. The heterozygous condition results in a coat pattern known as tortoiseshell. This gene is X-linked.

What do scientists use to describe the climate of an area? types of plants and animals location and wildlife precipitation and temperature ages of the largest forest plants

When the light is turned off, the human eye dilates. In this scenario