Explain what is meant by species richness

How many different proteins, each with a unique amino acid sequence, can be constructed with a length of 4 amino acids?

14. What feature of DNA replication makes it semi-conservative? Complementary nucleotides are added to each strand. The DNA double helix unwinds only at certain sites.

The stroma is the central location of light-independent reactions

All of the following are effects of crossing over of homologous chromosomes during prophase 1 of meiosis with the exception of

Use the scale bar to determine the sizes of a mature parent yeast cell and a cell budding from it. You will then calculate the volume and surface area of each cell.

Which of the following processes occurs when translation ends? a - The end of the tRNA molecule is reached. b - The end of the mRNA molecule is reached. C - A stop codon is reached.

Which organ is responsible for most of the absorption of nutrients into the body?

In a cell that is undergoing mitosis, what first happens to the chromosomes after the nuclear envelope breaks down

List one advantage, disadvantage about sporulation and what kind of organisms do this?

If you expose a photosynthesizing plant to water that contains both radioactive H and Radioactive 0, in which of the products of photosynthesis will the radioactive H and O show up?