Answer:
A) That this value is an underestimate of the true number of microbes in our lower intestine
Explanation:
A microbiologist is a scientist who studies microscopic organisms including bacteria, algae, and fungi. Often, they study organisms that cause disease and environmental damage or are of industrial or agricultural interest. They also study the characteristics of nonliving pathogens, such as viruses and prions.
The answer is <span>The foreign DNA is placed in a biological vector for cloning.
After target genes are identified and isolated, they are usually inserted into a transfer factor. In the process of creating genetically modified crops, the transfer factor is plasmid (a circular DNA molecule) from a soil bacterium Agrobacterium tumefaciens. Therefore, the transfer vector in which the foreign DNA is placed is a biological vector. It is not artificially produced but isolated from the living bacterium.
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Answer:
The correct option is <em><u>A. Over time, due to evolution by means of natural selection, resistant weeds survived, reproduced, and passed on their herbicide resistant genes. </u></em>
Explanation:
Herbicides can be described as substances which are used to kill unwanted plants such as the weeds. Nowadays, selective herbicides are produces which are effective in killing the weed species and do not harm the crop plants.
But over time, the weeds get resistant to the herbicide. As the theory of natural selection says, 'survival of the fittest', the herbicide which are resistant are better adapted to live hence, they pass their genes to the offsprings. This results in the production of more herbicide resistant weeds.
Answer:
Bacteria :) Please follow me if my answer helped
Explanation:
Answer:
Option (1).
Explanation:
Biological membrane mainly composed of lipids and proteins with the small amount of carbohydrate exposed on the outer surface of the membrane. This membrane plays an important role as it separates the cellular environment and facilitate the transport of the selected molecule.
The flippase enzyme is required to transport the molecules from one side of the membrane to the other membrane. Lipids and proteins can undergo lateral motion but at the different rate within the membrane.
Thus, the correct answer is option (1).