9. how are bacteria different from viruses?
(a) bacteria can cause diseases.
(b) bacteria possess cell structures such as cell walls, flagella and ribosomes.
(c) bacteria are very small in comparison to a virus.
(d) bacteria are only active when inside living cells.

What makes a dominant allele different from a recessive allele

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2