A population pyramid is an illustration that shows the distribution of which groups in population?
a Age and Sex
b Age, Sex, and Income
C Sex only
d Age only

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

Hormones that bind to plasma proteins

What is the net atp production at this stage of cellular respiration? 2atp aatp 32 atp 36 atp