Answer:
[C] Archaea
Explanation:
Single-Celled and lack a nucleus = prokaryotic organisms (that is, organisms whose cells lack a defined nucleus)
Most extremophiles are single-celled micro-organisms belonging to two domains of life – bacteria and archaea.
[RevyBreeze]
Answer:
R. Crear nuevas proteínas
Explanation:
Hope it helps :)
Answer: All birds are warmblooded, or endothermic, animals. Birds are vertebrates because
they have backbones. All birds have a four-chambered heart, a
characteristic they share with mammals. All birds lay hardshelled eggs. Birds have only two legs. Their forelimbs have
become modified into wings for flying. All modern birds evolved
from ancestors that could fly.
Explanation:
Answer:
A monomer is a single unit of a substance (eg. Amino acid). A polymer is a chain of monomers (eg protein). An isomer is a molecule of an element with the same chemical formula but a different chemical structure (e.g sucrose and maltose)