Answer:
D) Adenine, Guanine, Cytosine, and Uracil
Explanation:
RNA shares three of the nitrogenous bases of DNA: Adenine, Guanine, and Cytosine. However, instead of thymine, it has Uracil!
I have the same assigment we can help each other
I think it is 24 because it just is
Answer:
It has 4 trophic levels.
Explanation:
The first level would be the producers, followed by the primary consumers, then the secondary consumers, then the tertiary comsumers.
/ Tertiary consumers \
/ Secondary Consumers \
/ Primary Consumers \
/ Producers \
/________________________________\
Molecular biologists are interested in things like the level of gene expression (how much protein or RNA is present at any given time), which molecules are directly touching each other inside the cell, etc. ... Cell biology techniques, on the other hand, want to know what's going on inside intact cells.
( Try to see which one sounds best after reading this)