explain how to how it is possible to have thousands of different proteins when there are only 20 different animal acid

If a population lacks variation (fixed), no individual has any advantageous trait, and the environment changes for the worse. What will most likely happen to the population in terms of natural selection

What roles do protists play in the environment?

What will happen to a muscle in the body when its nerve supply is destroyed?

Three linked autosomal loci were studied in cucumbers: fruit color (dark vs. light), tendril size (long vs. reduced) and fruiting (normal vs. early).

A cell is in a soulution with the simple sugar glucose. The concentration of glucose outside the cell is 30% and the concentration of glucose inside the cell is 20%

What are the agents for deposition

Witch two factors can both cause a population to increase Birth rate and emigration Birth rate and immigration

The gas waste generated by many power plants is a. carbon dioxide. c. nitrogen. b. hydrogen. d. sulfur oxide.

An invasive plant that can live in nutrient poor soil moves into an abandoned field. Later this land is cleared of this invasive species and it is discovered that now the soil is nitrogen rich.

If you are given a recombination frequency of 34% between genes x and y and 27% between x and z, can you predict the order of the three genes?