Cells in a monkey undergo both mitosis and meiosis. How many chromosomes do cells 1 and 2 have? A. Cell 1 has one quarter (1/4) as many as cell 2

B. Cell 1 has one half (1/2) as many as cell 2

C. Cell 1 has the same number as cell 2

D. Cell 1 has twice as many as cell 2

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals

Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?