Answer:d
Explanation: it has to be
It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, here is the answer. Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates and the way that these two molecules differ from each other is that, t<span>estosterone and estradiol have different functional groups attached to the same carbon skeleton. Hope this helps.</span>
The outward appearance of a trait is called a phenotype.
The phenotype of the organism can differ from the genotype(genetic makeup of a trait). This can happen if one half of the trait is dominant over the other half, creating the trait the dominant side 'codes' for.
Answer to question four is B
Answer:
DNA is made of repeating units of building blocks called nucleotides.
Explanation:
There are four nucleotides in the DNA, the guanine and thymine, adenine and cytosine. Guanine binds with cytosine and adenine binds with thymine.
These nucleotides are made of deoxyribose sugar that binds to a phosphate and a nitrogenous base.