<span>DNA stands for deoxyribonucleic
acid. The deoxy- in the DNA is a short term for deoxyribose. The nucleic acid
molecule has three parts; sugar, phosphate and a base. The phosphate in the DNA
acts as a backbone of the molecule. It is also responsible for the DNA’s
‘double-helix’ structure. The base has four codes namely adenine, thymine,
cytosine and guanine. Adenine and thymine are bse pairs whereas cytosine and
guanine are base pairs. They are not to be interchanged. Resulting in one cause
mutation in the gene. </span>
Answer:
Change their external environment is the correct answer.
Vector: anything that transmits a disease.
Malaria vectors can include mosquitos, ticks, and other blood sucking insects.
P.S.: Hope I Helped :)
Answer:
a. 40%
Explanation:
up to 40% increasing the light intensity increases the oxygen production. Beyond 40% there is no effect.
I hope this helps :)
