Selectively permeable means that cells only allow certain molecules to enter or exit a cell.
Answer:
DNA and RNA
Explanation:
to provide a blueprint for the construction of proteins is called messenger RNA or typically mRNA
Answer:
Its a male, without down syndrome
Explanation:
The fact that it's a male is indicated from the presence of the Y chromosome. In order for this man to have down syndrome, he would have had 3 chromosomes at 21, which he doesnt, meaning he doesnt have down.
The correct answer is "neurons".
Neurons are nerve cells which connect to each other using synapses and form neural networks. They exhibit high levels of specialization and are the primary components of the central nervous system.
Myofibrils are contractile fibers which form the striated muscle cells. Sarcomeres are the structural unit of the myofibrils.
Explanation:
asexual only needs one parent and serial needs 2 parents
asexaul animals reproduce via mitosis and sexual animals via mieosis
