Answer:
DNA mutation causes genetic variation by altering the genes of individuals in a population. Gene flow leads to genetic variation as new individuals with different gene combinations migrate into a population.
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism’s DNA that create diversity within a population by introducing new alleles.
The scientific method is the "process of experimentation" for your hypothesis. There are five steps in the scientific method they consist of: conduct research, form hypothesis, test hypothesis, record data, draw conclusion.
Hope this helps!
Answer:
The source of Calcium (Ca⁺⁺) for the skeletal muscle cells is the sarcoplasmic reticulum, the main store of intracellular Ca⁺⁺.
Explanation:
Calcium (Ca⁺⁺) is an ion that plays an important role in muscle contraction, a process that requires high cytoplasmic concentrations of this ion to promote myofibrillary activity.
The sarcoplasmic reticulum (SR) -equivalent to the endoplasmic smooth reticulum- is an organelle that regulates the contractile activity of skeletal muscle. The two terminal cisterns of the SR attach to the T-tube, forming a triad, which surrounds the myofibrilla.
Once the muscle cell receives the signal to contract, the Ca⁺⁺ channels are opened and allow Ca⁺⁺ to enter the cell, promoting the exit of this cation from the SR and increased its cytoplasmic levels. This stimulates muscle contraction.
Answer:
When you add oil to vinegar and shake hard, you'll see small pockets of oil in the vinegar and vice versa, all mixed together in a suspension
Explanation:
Answer:
The correct options are:
<em>A. To produce bacteria that can generate biofuels efficiently.</em>
<em>C. To produce bacteria that can generate medicines in large
</em>
<em>amounts
.</em>
<em>D. To produce crops that are resistant to pests.</em>
Explanation:
Transgenic organisms can be described as organisms which have a foreign gene inserted into their genome. Transgenic organisms are of huge economic importance and are emerging to provide benefit for humans and the Earth.
The transgenic organisms are being used as a replacement for fuel which will benefit the humans and the Earth.
Transgenic organisms have evolved and made strong roots in the field if medicine in today's world.
Transgenic plants are being used to produce crops which are resistant to pests and hence are of huge economical importance.
