GUYS EASY QUESTIONS ALERT
In what ways are lungs and gills similar?
A. Both are used for circulating blood through the body
B. They both are used in animal mating behaviour
C. Both are organs animals use to exchange oxygen & carbon dioxide
D. None of the above

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.