What percentage of total calorie should be provided by protein? 40-50% 10-35% 5-10% 20%?

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient