Answer:
Autorophs are living organisms that make their food through photosynthesis while heterotrophs are living organisms that can not make their own food, so they must eat it.
Explanation:
Hope it helps!
Ans.
Steroids are defined as active organic bio-molecules, having four rings with a specific molecular configuration. Steroids play role in two major functions: as hormones or signaling molecules and as structural components of plasma membrane.
Examples of steroid hormones are estrogen, progesterone, and cortisol. Thus, the correct answer is 'option b). they serve as chemical messengers.'
D. the purpose of nterphase in the eukaryotic cell cycle is cell division
This is an example of an Epigenetic effect.
Explanation:
It is the study of heritable changes in the expression of genes, that are not involved in the changes present in DNA sequence. It is regular and naturally occurred, sometimes factors are responsible like age, lifestyle and disease state.
At times it leads to more damaging effect that can cause cancer. So this is also related to various fatal disease. During adulthood epigenetic effect remains stable. It does not occur in mother womb, but during the lifespan. This epigenetic effect can be reversed.
That would be A and E.
because u can measure or calculate the variables in these 2 hypotheses. (Amount of protein is diet, muscle mass, salt intake, blood pressure.)
