What is represented by a pair of lower case letters such as tt in a punnets square?

A. A heterozygous pair of genes

B. A pair of recessive genes

C. A dihybrid pair of genes

D. A pair of dominant genes

You perform a ligation with NcoI/NotI-digested pET-41a vector and the egfp insert from pEGFP-N1 (as in the lab). You then transform the ligation mix into E. coli and plate on LB medium containing kanamycin.

What must happen to nitrogen before plants and animals can use it?

Nicolaus Copernicus revolutionized astronomy by: discovering the first planet proposing that the sun revolves around the earth stating that the sun is the center of the solar system tracking the movement of the planets and stars

Which of the following body parts has involuntary muscles? A. Arm B. Face C. Intestine D. Leg

According to cell theory, which activity is impossible? A. Skin cells forming from sunlight B. Liver cells forming from liver cells C. Prokaryotes existing by themselves D. Ribosomes being present in eukaryotes

Which of the following is true about radio waves? A. Radio waves can carry energy through the vacuum of space but not through matter. B. Radio waves can carry energy through both matter and the vacuum of space. C.

What was the probability that the offspring will be unable to roll the tounge A. 0 B. 2 C. 3 D. 4

When a uniform becomes saturated with blood, what is the proper action that should be taken before an athlete can return to competition? select only one?

Which step in the scientific method is next after conducting an experiment

What are 2 types of gene mutations?