Splicing of pre-rRNA produces
a. the 28S rRNA.
b. the 18S rRNA.
c. both 28S and 18S rRNAs.
d. None of the above
Ans: c. both 28S and 18S rRNAs.
You might also like to view...
Animal growth primarily occurs by an increase in the:a
number of tissues and organs. b. number of cells. c. types of cells produced. d. number of cell functions. e. number of cell shapes.
Proteins made on ribosomes may be further modified within which organelle?
a. nucleus. b. lysosomes. c. mitochondria. d. Golgi complex. e. peroxisomes
When conditions are inhospitable, some protists become dormant by forming ________.
Fill in the blank(s) with the appropriate word(s).
What do the alveoli of mammalian lungs, the gill filaments of fish, and the tracheoles of insects all have in common?
a. They use a circulatory system to transport absorbed O2. b. Their respiratory surfaces are invaginated. c. They function using countercurrent exchange. d. They have a large, thin surface area for gas exchange. e. All of the listed responses are correct.