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Alinara [238K]
3 years ago
15

Which of following best defines a community

Biology
2 answers:
Vesnalui [34]3 years ago
7 0

D. all biotic factors

belka [17]3 years ago
3 0

Answer:

D. All biotic factors

Explanation:

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Which of the following is a way that new DNA can be introduced to bacteria?
OLEGan [10]

Answer:

B

Explanation:

<em>The correct answer here would be that </em><em>it can be injected by a virus.</em>

Since a virus operates by taking over the genetic system of the host and uses its replication, transcription, and translation to make virions or viral particles through the lytic or lysogenic life cycle. In the process, if the virus is utilized as a vector to carry a foreign DNA, the DNA is introduced into the genome of the bacteria. This is exactly what happens during the process known as transduction.

<em>The correct option is, therefore, </em><em>B.</em>

4 0
3 years ago
The part of the brain that distinguishes the human qualities that we have over animals is the
g100num [7]
The part of the brain that distinguishes the human qualities that we have over animals is the frontal lobe. <span>It </span><span>is the part of the brain that controls important cognitive skills in humans, such as emotional expression, problem solving, memory, language, judgment, and sexual behavior. It is, in essence, the “control panel” of our personality and our ability to communicate.</span>
3 0
3 years ago
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Apply what you know about lipids to explain why the cuticle helps prevent water loss in plants. Compare it to what humans do.
yulyashka [42]

Answer:

Explanation:

Waxy cuticle is a white powdery substance that is insoluble, it is found usually on the surface of stem or leave and it prevent excessive loss of water through transpiration.

It is an adaptive mechanism used in dry areas or desert to help plants retain water that is needed for their growth by reducing amount of water loss through transpiration.

Cactus is an example of plant with cuticle that thrive well in dry areas

7 0
2 years ago
Osteoporosis is a condition in which the density of bones is decreased so much that the individual is at a higher risk of fractu
IRISSAK [1]

Answer:

A) Calcitonin injection

Explanation:

Parafollicular cells or C-cells of the thyroid gland produce a hormone which is involved in the regulation of calcium levels in the blood. This hormone is Calcitonin. It works in an antagonistic manner with the Parathyroid hormone (PTH). Calcitonin decreases the calcium level in the blood by increasing absorption of calcium ions in bones. In osteoporosis, when the patient is given the injection of hormone calcitonin, it produces and increase in bone mass because it negatively affects the rate of absorption of bone by the osteoclasts.

5 0
3 years ago
The smallest units considered to be alive are organelles
aivan3 [116]
This is true. Hope this helps.
7 0
3 years ago
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