To locate <u>positions</u> in east and west directions, <u>cartographers</u> use lines of <u>longitude</u>, also known as <u>meridians</u>. Longitude is the distance in degrees <u>east</u> or <u>west</u> of the prime meridian, which is the reference point for longitude.
<h3>What is a topographic map?</h3>
A topographic map can be defined as a type of map which contains an accurate and detailed graphical (two-dimensional) description, representation or records of both natural and man-made (artificial) features on the surface of planet Earth.
Generally, a topographic map make use of contour lines to represent points of equal elevation above sea level such as:
- Mountains
- Hills
- Plains
- Valley
<h3>What is a line of longitude?</h3>
A line of longitude can be defined as an imaginary great circle of constant longitude on the surface of planet Earth which passes through the North pole (terrestrial pole) and South poles (Meridian) at right angles to the equator.
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The transfer of genes during bacterial conjugation involves the pili.
<h3>Pili</h3>
Bacterial pili (singular: pilus) are special outgrowths on the surface of some bacterial cells that act as conjugal tubes during the process of transferring genes from one cell, the donor, to another, the recipient.
The pili extend from the donor to the recipient and then form channels through which genes are transferred.
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Answer: C
Explanation:
Viruses don't have cell walls that can be attacked by antibiotics; instead they are surrounded by a protective protein coat. Unlike bacteria, which attack your body's cells from the outside, viruses actually move into, live in and make copies of themselves in your body's cells
The best and simplest method John can used to find the evolutionary relationship between a lion and a cat and group them based on their similarities and common ancestor is tree of life or also known as phylogeny by the scientist.