Which of the following statements most likely
apply to the earliest cells?
a. They were prokaryotic cells.
b. It is likely that earliest cells did not have a
nucleus but had membrane-bound
organelles.
c. The earliest cells may have used oxygen
gas in order to thrive successfully.
d. Energy from the sun may have been used
by the earliest cells.
e. All of these statements most likely apply
A
You might also like to view...
All of the following characteristics describe glycoproteins EXCEPT ____
a. Glycoproteins provide support and protection. b. Glycoproteins are the main component of the extracellular matrix. c. Glycoproteins include collagen and fibronectins d. Glycoproteins are produced only on free ribosomes in the cytoplasm. e. Glycoproteins are found in tendons, cartilage, and bone.
The organisms living on the bottom of the ocean are collectively referred to as
A) nekton. B) benthos. C) meiofauna. D) epifauna.
Controlling our population growth and using resources wisely is the basis for the principle of ____
a. sustainability b. profitability c. responsibility d. economic stability e. environmental stability
The F2 offspring of a classic Mendelian monohybrid cross between homozygous dominant and homozygous recessive parents would produce the genotype(s)
A. AA, Aa, and aa. B. Aa and aa. C. AA only. D. AA and Aa. E. Aa only.