Light enters the eye’s interior through the
__________, an adjustable opening in the center of
the muscular, doughnut-shaped iris. Fill in the blank(s) with the appropriate word(s).
Answer: pupil
You might also like to view...
During transcription elongation, how many pyrophosphate molecules are produced from the incorporation of 20 ribonucleoside monophosphates?
A. 60 B. 40 C. 5 D. 20
A point mutation that creates a premature stop codon is called a _____
A. synonymous (silent) mutation B. nonsynonymous (missense) mutation C. nonsense mutation D. translation mutation E. transition mutation
Which group of mammals is the most speciose?
A. Proboscidea (elephants) B. Rodentia (squirrels, rats, mice) C. Perissodactyla (horses, zebras, rhinos) D. Chiroptera (bats) E. Carnivora (dogs, cats, bears, walruses)
What compound directly provides energy for cellular work?
A) sugar
B) ATP
C) DNA
D) fat