Which of what following ?
Answer:
Ribosomes are made up of macromolecule "nucleic acids " especially RNA ( ribonucleic acid)
A postzygotic barrier is the sort of reproductive barrier that prevents the hybrids from reproducing after a lion and a tiger mate and create offspring.
<h3>What does the biological term replicate mean?</h3>
Reproduction is the process of producing descendants. The two basic types of reproduction are sexual and asexual. A sexually reproducing organism is genetically different and has the genetic information of both of its mothers. Genetically identical children are produced through asexual reproduction by having each parent repeat itself.
<h3>What is the name of the reproductive process?</h3>
Reproduction is the process by which new individual creatures, or "offspring," are produced from the "parent" or "parents" (or procreation or breeding). Reproduction is a fundamental element of all known life, and it is the reason that every single organism exists.
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Umbilical vein transports blood rich in oxygen and nutrients from the placenta to the fetus. The unpaired umbilical vein is a vein present during fetal development and it transports the nutrient- and oxygen-rich blood from the placental villi via the umbilical cord to the embryo. The umbilical vein is connected to the two intraembryonic umbilical veins.
Sorry If I'm wrong, but I'm pretty sure it's D.
