velocity is a vector so it has a magnitude and direction so the answer would be B
it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)
Answer:
The sequence of the complementary strand of mRNA is AUCAUCAUC
Explanation: There are four bases in DNA: Adenine A, Thymine T, Guanine G, and Cytosine C while the bases found in RNA are Adenine A, Uracil U, Guanine G, and Cytosine C. In DNA base pairing, Adenine pairs with Thymine while in RNA base pairing, Adenine pairs with Uracil while Guanine pairs with Cytosine.
Answer: in order for a scientific investigation to be valid A hypothesis must be tested throughout a Scientific investigation that can gather evidence and support it.
Explanation: in any scientific investigation you have to have a testable hypothesis, without your hypothesis it’s not really a scientific investigation.
Hope this helped!
Answer:
those best suited to demands of environment survive
