There were more dark moths around factories because trees were darker near factories because of pollution. More light moths were found in the country away from the factories, in the forests with no factory pollution
I believe the answer is B
Answer:
Letter a) Protists would have less permeable membranes than those in hypotonic or Isotonic environments, wlowing less water to enter the coll. Also, they could possibly develop higher salt concentration within the cell to retain water.
The words that comes in the blanks are phosphate group, phosphate group, a sugar group and a nitrogen base.
ATP stands for Adenosine triphosphate and DNA stands for Deoxyribonucleic acid.
<span>ATP is a nucleotide that is similar to DNA but it has 2 extra phosphate groups.
</span>DNA is made up of a nucleotide that consist of a phosphate group, a sugar group and a nitrogen base.
Answer:
Explanation:
One major characteristic used to identify bacterial species is by Gram staining. This makes bacteria to be classified into two broad classes; Gram positive bacteria (appear purple after stain) and Gram negative bacteria (appear pink after stain).
Another characteristic used is the presence or absence of capsule.
Other characteristics include there motility (which can be due to the presence of flagella), bonding tendency (which can be individually or in pairs) and also pathogenic bacteria can be classified as intracellular or extracellular bacteria.
