How do plant roots "know" to grow downward? This is a plant response called

A) gravitropism.

B) hydrotropism.

C) phototropism.

D) thigmotropism.

Which of the following accurately describes kidney function? a. Kidneys are directed by the presence of antidiuretic hormone to excrete more water in urine. b. Kidney function is controlled by the blood's composition and hormones. c.

Which is true regarding the diploid number of chromosomes in a eukaryotic organism? A. All eukaryotic organism cells have a single chromosome. B. All eukaryotic organism cells have close to 20 pairs of chromosomes. C.

What is ATP an example of chemical potential energy

The 150-million-year-old Archaeopteryx fossil has birdlike features such as feathered wings, but it also has characteristics that we associate with living reptiles. What are considered reptilian characteristics of Archaeopteryx?

Mrs. olson was diagnosed as having a malignancy characterized by a progressive increase of abnormal leukocytes. this type of cancer is known as

Assuming that there are only two alleles at a given locus, if the frequency of one allele is 0.6, what is the frequency of the other allele? A. - 0.6. B. 0 C. 0.4 D. 0.6 E. 1

How do cells acquire positional information about their location in a developing embryo?

Which kind of solution is the concentration of solutes the same inside and outside if the cell

Identify the two primary fluids found within the eye. which one of these fluids provides nutrients to the rest of the eye

How are microscopes advantageous to scientist? name two examples when a biologist (or other scientist) may use a microscope?