In which cells would you expect to find the greater number of mitochondria: cells that are very active or cells that are not very active? why?

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.

Which one of the following is true of trnas? a) trnas are double-stranded. b) each trna binds a particular amino acid. c) there are four types of trna. d) trnas carry special sequences known as codons. e) all of the above

How would you best describe the role of gene expression in cells a- cells destroy the dna of genes that they do not use b- when cells divide in mitosis, they pass on only the genes that are required. c- to become specialized, cells need to control the production of proteins coded for in their dna d- all genetic information in a cells dna is fully expressed at all times.