Answer:
Examples of lipids include fats, oils, waxes, certain vitamins
The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.
Strategic minerals are resources or elements that are important to everyday life because it can be a source of renewable energy and are used in manufacturing household items, equipment regarding national security, and agricultural production.
Africa is leading worldwide in terms of abundance of strategic minerals like diamond, platinum, chromium and many more. Other essential minerals such as gold, silver, copper and colored gemstones are critical minerals are imported from Afghanistan.
Amphibia is the class of vertebrates which is considered to be the first to develop lungs. This allowed amphibians to live successfully on land as terrestrial organisms. Ichthyostega was the first primitive amphibians with nostrils and lungs. Amphibians adopted themselves to live on land with developed lungs.
Answer:
Option (D).
Explanation:
Different DNA polymerase are present in eukaryotes that are necessary for the replication of the DNA. DNA polymerase composed of four subunits : POLD2, POLD1, POLD4, and POLD3.
The DNA polymerase delta are involved in the DNA synthesis. This polymerase has both the exonuclease activity and proofreading ability of newly synthesized DNA.
Thus, the correct answer is option (d).