Phoebus Levene was the one who proposed <span>the polynucleotide model stating that dna and rna were composed</span>
In the small intestine, cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.
Answer:
e. All of these
Explanation:
blood is suspension, mixture and even a solution
A. Tree , because trees release oxygen through photosynthesis
