Which event contradicts the central dogma of molecular biology?
poly-a polymerase enzymes process mrna in the nucleus.
endonuclease enzymes splice out and repair damaged dna.
scientists use reverse transcriptase enzymes to make dna from rna.
codons specifying amino acids are degenerate and universal.

Do plant cells perform cellular respiration?

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes

Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial