a hybrid that is heterozygous with respect to a specified gene.
Explanation:
Protons and neutrons are subatomic particles found in the atom of any substance.
These particles collectively determines the mass number of the atom.
- Protons are positively charged particles found in the nucleus of an atom.
- Neutrons do not carry any charges and are also found in the nucleus.
- Electrons are negatively charged particles.
Electrons occupy the extranuclear space of an atom.
Answer: The answer is B
Explanation:
A is not practically possible as mars is such a great distance away
C water of course wasnt around in earth at the time but other planets did have water so this isnt an accurate answer
D cracks me up, Hydrogen was the first element in space after the Big Bang this is also an in accurate answer
What portion of a pre-mRNA molecule may be cut to be discarded?
ans:- In eukaryote cells the primary transcript (pre-mRNA) is processed. One or more sequences (introns) are cut out.
Yes indeed that the picture shows that the transport of the sodium and potassium ions. The picture shows a passive transport of sodium and potassium ions. And also we can see that the energy for the action of the pump is being released by the utilization of the ATP. Some are being moved and some are being brought back in.