Answer:
k
Explanation:
Answer to the owner and request for the first time
1. Messanger RNA (mRNA)
2. Ribosomal RNA (rRNA)
3. Transfer RNA (tRNA)
not positive but the amino acid-derived hormones are relatively small molecules derived from the amino acids tyrosine and tryptophan.
All the substances which produce undesirable defects in a fetus during prenatal development are called Teratogens
<h3>What are teratogens?</h3>
Teratogens refers to those substances that may produce physical or functional defects in the fetus or embryo growing in a pregnant womanafter the pregnant woman has been exposed to suvh substances.
Examples of teratogens include:
- incompatible blood types,
- environmental pollutants,
- infectious diseases,
- nutritional deficiencies,
- maternal stress,
- advanced maternal and paternal age,
- and environmental pollutants
Therefore, all the substances which produce undesirable defects in a fetus during prenatal development are called Teratogens.
Learn more about teratogens at: brainly.com/question/6676255
