The answer is actually B. structure/function claim.
Answer: structure/function claim
Explanation:
The main difference between protostomes and deuterostomes is the sequence in which the mouth and anus develop during embryonic development. Protostomes develop a mouth first, and deuterostomes form an anus first.
The primary difference between protostomes and deuterostomes lies in the sequence of their embryonic development.
Protostomes, which include organisms like insects and mollusks, follow a developmental sequence where the first opening in the embryo becomes the mouth, and the second becomes the anus.
On the other hand, deuterostomes, including organisms like vertebrates and echinoderms, have a developmental sequence where the first opening becomes the anus, and the second becomes the mouth.
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Answer:
Explanation:
The DNA is composed of a sequence of nucleotides, each having a different base (adenine, thymine, guanine, cytosine). This DNA molecule is transcribed into RNA, which has a complementary sequence. Then the RNA will have a base sequence according to the information encoded in the DNA.
A codon consists of three bases together, which code for an amino acid.So each three-letter sequence of RNA corresponds to a specific amino acid, a start or stop codon.
AUG is the codon for methionine, and it is also the start codon, which indicates when the protein synthesis must begin. While UGA, UAA, and UAG are stop codons. Start and stop codons are important because then translation is not started or finished. During protein synthesis, stop codons cause the release of the protein from the ribosome.
So, that the protein synthesis begins and is carried out respecting the reading frame so that the appropriate protein is produced, and that it stops being synthesized when necessary, it is important to have a start and stop codon.
First you must know that a diploid cell has double the amount of chromosomes of a haploid cell. A diploid cell has 46 chromosomes. When we divide 46 by 2 you get 23. This means that there are 23 chromosomes in a haploid cell.
Hope this helped!
~Just a girl in love with Shawn Mendes
Answer:
Haploid describes a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.
Explanation:
b. The placenta passes oxygen, nutrients, and other useful substances from the mother to the fetus.
c. The placenta mixes blood from the mother and fetus together.
d. The placenta protects the mother from being attacked by the fetal immune system.