Answer: Nucleic acids
Explanation:
Nucleic acids are biologically occuring polynucleotides in which the nuclotides residues are linked in a specific sequence by phosphodiester bonds.
The two types of nucleic acids are DNA which is double stranded and serves as the usual carrier of genetic information while RNA which is single stranded serves a carriers of genetic information in some viruses only.
All of the following (corals, jellyfish, and sea anemones) have only one opening into their digestive system, except roundworms, which have more than one.
Since it is outside your body, the answer is B, external stimulus
The right answer is D. 1 pair of sex chromosomes and 22 pairs of autosomal chromosomes are pictured.
EXPLANATION:
A False, because A karyotype displays all of an individual’s DNA (deoxyribonucleic acid) and not RNA (ribonucleic acid)
B False, because the karyotype display all types of chromosomes (autosomic (22) and sexual (1))
C False too, because the human karyotype contains 23 chromosome pairs (22 autosomes and 1 gonosome (X/Y chromosome))