Which of the following correctly shows the flow of energy in a food chain? hawk snake mouse grass
grass hawk snake mouse
mouse → snake hawk grass
grass > mouse snake hawk

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge