What is the name of the macromolecule that makes up the MAJORITY of the cell membrane? A. lipids

B. carbohydrates

C. proteins

D. nucleic acids

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy

Steven hawking is on record as saying that viruses can be considered a form of life. considering the list above, what might be his evidence? a) item 5 b) items 1 - 3 c) items 4 - 7 d) items 1 & 2

In 1994, telomerase activity was discovered in human cancer cell lines. although telomerase activity is rarely present in human somatic tissue, this discovery indicated that humans do contain the genes for telomerase proteins and telomerase rna. since inappropriate activation of telomerase may contribute to cancer, why do you think the genes coding for this enzyme have been maintained in the human genome throughout evolution?