RRNA

A. Is part of the ribosomes that manufacture polypeptides
B. Carries DNA encoded information from the nucleus to the ribosomes
C. Transports amino acid from cytoplasm to ribosomes

(Please leave explanation)

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

(amoeba sisters video recap: pedigrees and need

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen