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Aleksandr [31]
3 years ago
7

a scientist wants to grow human cells to use in an experiment. what should the scientist do to grow and maintain cells in the la

boratory? Apex
Biology
2 answers:
katrin [286]3 years ago
7 0

The scientist should prepare a culture of the cells

Makovka662 [10]3 years ago
5 0

Answer:

Explanation:

The scientists should prepare a culture of the human cells. It also requires special ingredients like subtrate or medium that will supply essential nutrients like amino acids, vitamins, minerals and carbohydrates to the cells. Growth factors, hormones, important gases like carbon dioxide and oxygen are also required. A regulated environment supported by appropriate pH, temperature and osmotic pressure is also desired for the growth of cells.

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The fossils of a new species of reptile are found in deposits dating to the Permian period. Later, scients discover that fossils
allochka39001 [22]

Answer:

The correct answer is option c. "adaptive radiation".

Explanation:

The term "adaptive radiation" is used in evolutionary biology to describe a evolutionary history at which many different organisms are created as a result of a rapid diversification of an ancestral species. This phenomenon takes place as a result of changes in the environmental conditions that forces new species to adapt quickly. The scientist observations of many intermediate forms at different continents of an ancestral reptile, most strongly support the evolutionary model of adaptive radiation.

4 0
3 years ago
How is it possible for a metamorphic rock to change into an igneous rock over time
Naily [24]

Answer:

It's possible.

Explanation:

If the recently formed metamorphic rock keeps on warming, it can ultimately soften and become molten (magma). At the point when the liquid stone cools it frames a molten rock, which is igneous. Metamorphic rocks can form from either sedimentary or volcanic/igneous rocks.

6 0
2 years ago
Why is death by predators more natural or right then death by starvation?
balu736 [363]
Predators have to eat. If things are good in an eco-system then the prey is eating good which means the predators can eat good also. Starvation means that things in the eco-system are going bad. Also, It helps the earth maintain its balance. If too much of any aspect of the system is removed it throws the whole thing off balance. too many herbivores will eat too much vegetation.
7 0
2 years ago
Many citizens are concerned about the potential negative impact on human health of consuming genetically modified organisms (suc
BabaBlast [244]

The transmission of antibiotic resistance, toxicity, and allergenicity are all known to be major health risks associated with GM foods.

7 0
2 years ago
Most of the body's calcium is found in ________.
atroni [7]

Answer:

Bone.

Explanation:

Calcium is one of the important element present in the body. Calcium plays an important role in the muscle contraction. The calcium ions also acts as a signalling molecule during cell signalling.

The calcium is present in our extracellular fluids, bones, and teeth. The major constituent of calcium is present in the bone. The bone consists of around 90% body;s calcium.

Thus, the correct answer is option (b).

7 0
2 years ago
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