Tropical rainforests make up what percent of africa s landmass?

a. about 5%

c. about 50%

b. about 20%

d. about 90%

What's the function of cellular respiration

Which of the following is not in the phylum Chordata? a. Cephalopoda b. Aves c. Reptila d. Osteichythyes e. Amphiba

What does ADP+Pi stand for?

Why did the plant cell plasmolyze when immersed in a hypertonic solution?

hat kind of macromolecule is made from amino acids? carbohydrate protein lipid nucleic acid

One of the first breakthroughs in biotechnology was the discovery of the gene that makes insulin. Part of this process involved scientists making DNA to match each possible sequence of insulin mRNA. What was the next step of this process? A.

If mollusks evolved before arthropods, where will their fossils be found?

Over time, a river cut through a field where some mice lived and some birds were nesting. Tell over time why the mice developed into 2 different species, but the birds did not

Using radioactively labeled dna probes in studies of heredity makes it possible for a scientist to

During the first four days after conception, the zygote undergoes rapid cell divisions and becomes multicellular. What is this cell division called?