Identify two ways in which genes can be recombined during meiosis?

How do paramecia regulate there water content?

Scientists have found methods to clone organisms. The scientists are not concerned with A) collecting valid data. B) having large sample sizes. C) having controlled experiments within ethical limits.

Proteins are made in the mitochondria of cells, T of F? Proteins make up our blood, hair, skin, heart, muscles, and bones, T or F?

What is the main energy providing molecules in living things

What is he structure of DNA?

A sedimentary rock is found to be 300 million years old. Which type of organism is NOT likely to be found in the rock? a) insects b) mammals c) fish d) land plants

James is making models of plant and animal cells using objects supplied by his teacher to represent organelles. For one cell, he will place the objects in a shoebox. First he fills a balloon with water and places it in the shoe box.

What holds DNA and controles cells activities

Usually, a mutation in the promoter region of an operon causes reduced levels of synthesis of the proteins encoded by that operon. Occasionally, a mutation in the promoter region actually causes increased levels of synthesis.

Genes do not exert the only influence on personality. therefore,: