What is the correct sequence of protein synthesis?
1: trna brings amino acids to the ribosome
2: dna molecules serve as templates for mrna
3: mrna molecules move to ribosomes
4: polypeptides are formed on ribosomes

answer choices:

a [3,2,1,4]
b [4,2,1,3]
c [2,3,1,4]
d [1,2,3,4]

Why do mountaineers become breathless as they reach high altitudes

Which organelle will regrow during telophase?

Kara has a plant that produces either purple or white flowers. she crosses a plant that has two recessive alleles for white flowers with a plant that has two dominant alleles for purple flowers. which result would be true of all of the offspring? a) all of the offspring would have two recessive alleles and white flowers. b) all of the offspring would have two dominant alleles and purple flowers. c) all of the offspring would have one recessive allele, one dominant allele, and white flowers. d) all of the offspring would have one recessive allele, one dominant allele, and purple flowers