Newborn human babies with lesser body weight are prone to infections. heavier babies are difficult to deliver through the narrow pelvic passage of human mothers and may not survive. babies with normal body weight have a better chance of survival and can be delivered normally. what kind of selection is exhibited in this case?
a. stabilizing selection
b. directional selection
c. disruptive selection

What molecule does hemoglobin decay into over time

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48