Each enzyme only has 1 substrate that will fit its active site what is it called

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars

What did you notice about the onion root tip cells that you saw at 40x power?