Penguin wings and swallow wings are structures. A compound
B analogous
C vestigial
D homologous

Describe the iron sulfide hypothesis and the lipid membrane hypothesis.

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.