A conductor allows heat to flow easily, while an insulator resists heat flow. In general, metals are good conductors of heat and electricity.
A substance or material that permits the flow of electricity is known as an electrical conductor. When voltage is provided, electrical charge carriers, often electrons or ions, travel effortlessly from atom to atom in a conductor.
There are four different kinds of conductors: semiconductors, resistors, excellent conductors, and non-conductors.
Aluminum, gold, copper, brass, steel, and steel are all effective conductors of electricity. In the form of wires, we employ them in electrical circuits and systems. A great liquid conductor is a mercury. As a result, this material is used in numerous instruments. Thus, metals are good conductors.
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Copper Lead and Glass
B. the phosphorus cycle
C. the carbon cycle
higher rates of reproduction
more susceptibility to antibiotics
greater genetic variation
Bacterial genetic recombination is characterized by DNA transfer from one organism called donor to another organism as the recipient and the result is the production of genetic recombinants, individuals. Those recombinant bacteria have a greater genetic variation because they carry, not only the genes they inherited from their parent cells but also the genes introduced to their genomes. There are three types of mechanisms that create genetic variations in bacteria (through recombination):
1. Transformation-that occurs when bacterium takes up a piece of DNA floating in its environment,
2. Transduction-occurs when DNA is accidentally moved from one bacterium to another by a virus (bacteriophage) and
3. Conjugation- when DNA is transferred from one bacteria to another through a tube between cells.
Those mechanisms of genetic recombination together with short generation time and random mutations allow bacteria to evolve very quickly and for example, create resistance to antibiotics.
b. They both lay amniotic eggs.
c. They both have live babies.
The dependent variable in the experiment given above is THE HEART RATE.
In every experimental set up, there are usually two major type of variable, these are dependent and independent variables. Dependent variable refers to those variable that their values depend on the value of others while independent variable refers to those variable whose values do not depend on any other variable. In the question given above, the heart rate is the dependent variable because its value depend on the type of exercise that a participant undergo.