Which of the following is the part of the stem closest to the seed in a young plant?

a. endosperm

b. hypocotyl

c. anther

d. stigma

Name four categories of organic molecules which form the basis of all living things

What is required for reactants to form bonds?

Molecules are held together by chemical bonds which are basically the energy relationships between atoms.

Some animals have no gills when young, but then develop gills that grow larger as the animal grows larger. what is the reason for this increase in gill size?

What is instantaneous speciation? A) an interdependent relationship between two or more species B) a type of speciation that only occurs on islands C) the formation of a new species over a few generations D) a type of speciation that leads to rapid

Terry has recently been diagnosed with an inherited form of depression. which of the flowing is the most likely cause or the depression? a. Terry has a mutation in the enzyme involved in NE synthesis b.

What makes water a polar molecule? Choose 1 answer: It has fully positive and negative charges. It contains ionic bonds. C) It is able to dissolve nonpolar substances. It contains partial positive and negative charges.

What characteristics are common in all mammals?

What is the function of the nucleolus? *Subject was not below, but the subject is science.

Which antiparkinson drug causes an increase in the levels of dopaminergic stimulation in the central nervous system and therefore allows a decreased dose of other medications?