Answer:
We get the materials to make new cells through...
biosynthesis, which puts small organic molecules together to create larger molecules.
Explanation:
Biosynthesis is the process in your body that turns simple structures into more complex structures. It can happen within a single cell (or within a single organelle within a cell), or across multiple cells. In this case, multiple, since it is referring to humans.
Either this option or A.
Answer:
False.
Explanation:
- Ozone is a triatomic gas.
- Each molecule of ozone is made up of three atoms of oxygen.
- Ozone is an extremely important gas in the atmosphere as it absorbs the maximum of incoming solar radiation and the ultraviolet rays of the sun.
- But Ozone is an extremely reactive gas and is highly dangerous if inhaled for a longer time.
- It causes damage to the lung tissue and cause respiratory ailments.
- On the other hand ozone is one of the components of Photochemical smog.
- Inhaling a significant amount of this gas can cause death.
- Hence the given statement is False.
- The correct sentence is:
Ozone protects us when it is high up in the atmosphere, it is harmful to us when we are breathing it.
The flow of genetic information<span> follows the "Central Dogma" of molecular biology: DNA is copied as messenger RNA (mRNA) which in turn is the template for protein synthesis (uses rRNA and tRNA). </span>Genes<span> (DNA) specify the amino acid or nucleotide sequences of functional cellular proteins and RNAs.</span>
Answer:
milk is present in the digestive system, which turns on the gene for lactase.
Explanation: