The bond formed between the sugar of one nucleotide and the phosphate of an adjacent nucleotide is a covalent bond. A covalent bond is the sharing of electrons between atoms. A covalent bond is stronger than a hydrogen bond (hydrogen bonds hold pairs of nucleotides together on opposite strands in DNA).
Nerve cells release neurotransmitters across gaps and secretion of proteins and wastes: it’s Exocytosis
Answer:
A) & B)
Explanation:
A) There are certain viruses that are present in both healthy and disease people.
Example: Polio virus is found in many human but it causes disesease in only 1% of human.
B) Viruses require host machinery for replication so they may not replicate in pure culture.
The postulate C is also violated, the virus may not produce disease in non-human experimental host because of inappropriate animal or vaccinated animal etc. Others exception includes, the same disease may be caused by various organisms and different organisms can also cause the same disease.
Answer:
The friend is wrong. This chemical equation supports the Law of Conservation of Matter. The reactants are the same amount as the products.
Explanation:
In both sides of the equation, there is 1 Ca, 1 C, and 3 O. This means that this equation follows the Law of Conservation of Matter.
A thanks and/or good rating would be greatly appreciated :D
Answer:
can you expand on that it not clear what you want
