A liver cell requires energy to move vitamins from an area of low concentration, across the cell membrane, to an area of high concentration. The process used by the liver cell is called

Which of sociologys theoretical approaches has the most in common with an analysis of the human body that identifies parts of the body and seeks to understand what each one does to keep the body operating?

Mitochondria are cell organelles. They contain their own DNA. The function of this DNA is to

Actin filaments are part of the contractile machinery in smooth muscle cells of eukaryotic organisms. Which organelle is responsible for contractile movement in these cells? endoplasmic reticulum nucleus plasma membrane cytoskeleton

allele for dark hair dogs is D and the allele for light brown hair is d what is the genotype of a dog that has light brown hair ... Dd, DD, dd, dD

The diffusion of water across the selectively permeable membrane of an alga cell is called

Assuming that there are only two alleles at a given locus, if the frequency of one allele is 0.6, what is the frequency of the other allele? A. - 0.6. B. 0 C. 0.4 D. 0.6 E. 1

How do cells acquire positional information about their location in a developing embryo?

Which kind of solution is the concentration of solutes the same inside and outside if the cell

Identify the two primary fluids found within the eye. which one of these fluids provides nutrients to the rest of the eye

How are microscopes advantageous to scientist? name two examples when a biologist (or other scientist) may use a microscope?