Keith is observing a slide of an amoeba under a compound microscope. he places a stained fine particle of yeast near the amoeba. he observes that the amoeba is engulfing this particle by extending its pseudopodia. which process is the amoeba exhibiting?
a) pinocytosis
b) exocytosis
c) phagocytosis
d) receptor mediated endocytosis

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Wich level of organization includes all the other levels or organizations