Dna replication is called semiconservative because of the original double-helix appears in one daughter strand formed in replication.

How are tumors cells different from normal cells

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

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