Answer:
The blood brain barrier blocks chemicals from entering brain tissue.
Explanation:
Answer:
A
Explanation:
Exons are what are needed in the processing mRNA hence cannot be cut out. The regions that are cut out are introns and mainly emanate from non-protein-coding region of DNA. During RNA processing the mRNA is capped at the 5’ end and three (3) adenine nucleotides are added on 3’ end of the RNA- in a process called polyadenylation –to stabilize the mRNA. This processing is carried out by enzymes such as ribozymes and spliceosomes. RNA requires to be processed before it exits the nucleus.
All of the above; carbohydrates, lipids (fatty acid), and protein (amino acid)
Answer:
Octopus (Behind the octopus's head, directly opposite the arms, is its mantle. The mantle is a highly muscled structure that houses all of the animal's organs. Its gills, hearts, digestive system and reproductive glands are all crammed into this one space)
Explanation:
Cow’s milk contains low quantity
of some vitamins such as vitamin C, D and A than human breast milk. Also, Cow's
milk contains high amount of protein, and low amount of carbohydrates. One of
the proteins present in cow's milk is difficult for infants to digest and may
cause an allergic response making cow’s milk unsuitable for infants.