Answer:
In RNA, <em>thymine</em> is <u>replaced</u> with Uracil.
Explanation:
Genetic material (DNA and RNA) is made up of nucleotides. These are Adenine, Thymine, Guanine, Cytosine, and Uracil. Three of them (Adenine, Cytosine, and Guanine) are present in both types of genetic material, i.e. DNA and RNA. However, in DNA Thymine is present whereas in RNA, Uracil replaces Thymine. They are similar in structure except that Thymine has additional methyl group.
Answer:
1/4 or 25% chance/ probability of having an albino child.
Explanation:
Albinism is a recessive trait, this means that a person need 2 copies of the allele to express this condition. If both parents are normal their genome must be Aa ("A"=normal condition and "a" recessive allele) when they produce gamets they could either be "A" or "a" but when fertilization happens there's a 25% chance of 2 gametes with the recessive trait to meet, hence producing an albino.
It is important to understand that this is only probability. A couple could have 6 children and all of them could be normal.
Answer:
Small Intestine-chemical digestion and absorption of nutrients.
Pancreas- secreting the enzymes lipase,trypsin, and amylase
Large Intestine- absorption of water and compaction of indigestible material for elimination
Mouth-moistening and mechanical digestion of food
Stomach-mechanical and chemical digestion of food with acids and enzymes
Liver-aiding in chemical digestion of fats
Explanation:
I’m not 100% positive on the liver but I hope I helped
So, I decided to take another whack at this, specifically number 3, and at first I didn't really try to answer 'cause I have no clue what the word dueterostome means, but I do know that, for the other two criteria, A, arthropods is the only one that fits both.
also, on 6, it is b, because I remembered what an anther is and it has nothing to do with the eggs (it's the testes, pretty much)
and if I had to guess at 8, I would say it is d because all the others are characteristics of sexual reproduction. (I'm not sure of this, though, because I'm not sure where this defines the line for mitosis, both go through it, but at different points in the process, so I assume it isn't that one.)