Answer:
B
Explanation:
i did this this year in my 9th grade tech class and got it right
Dogs breed in the world and even more mixes and mutts than we can count
The basis of classification of
Linnaeus’ system is sexual reproduction. The
only "natural" taxon in Linnaeus' system is the species. Species defined
as a population with viable, fertile reproduction are separated from
interbreeding with other species.
The answer is D. NADH to NAD+
When no oxygen is present, anaerobic respiration occurs.It is the only way to produce ATP in this condition.NAD+ is necessary because it is converted into NADH and at the same time ADP is converted to ATP in the reaction of pyruvate synthesis from glucose.Therefore, NADH must be converted to NAD+ in order to have NAD+ always present in the cell.
Human traits controlled by multiple alleles are called multiple-allele traits. One widely known example is ABO blood type, which is controlled by 3 alleles.
