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valina [46]
3 years ago
11

1. What is mitosis in a living cell?

Biology
1 answer:
Gekata [30.6K]3 years ago
8 0
<span>B. the creation of two daughter cells with half the number of chromosomes that the parent cell has by the process of cell division 
</span><span>D. The exchange of solute molecules across a permeable membrane from areas of high concentration to areas of low concentration
</span><span>A. Osmosis occurs through a semipermeable membrane. Diffusion occurs through a permeable membrane.</span>
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Human proteins can be produced by cells in the milk-producing mammary glands of transgenic mammals if the regulatory sequence of
natta225 [31]

Answer:

It is important to use the regulatory sequence of a milk gene when constructing a recombinant gene used to produce a human protein secreted in milk because<em> it is capable of increasing or decreasing the expression of specific genes within an organism.</em>

Explanation:

<em>Regulatory Sequence</em> is<em> a segment of a nucleic acid molecule</em> which is capable of increasing or decreasing the expression of specific genes within an organism. Regulation of gene expression is an essential feature of all living organisms and viruses.

6 0
3 years ago
Whitch way does water move once it passes through the zone of saturation
kobusy [5.1K]
The correct answer is Sideways.
5 0
3 years ago
How do a paramecium and an amoeba obtain food to live??
Marta_Voda [28]
Hey! your answer is --

Amoeba and Paramecium both are unicellular organisms . t
both take any plan and animal as food which float in water . the mode of nutrition in Amoeba is hetrotropic .

The process of taking food is called phagocytosis ..

Step--

Amoeba get food in pseudopodia and in closed in a food vacuole and digest them to get energy . The digested part of the food diffuse into cell cytoplasm and undigested part of food expell at any point on body surface ..


★ hope u understand ★




3 0
3 years ago
During extended, intense exercise, a person begins to tire and breathe heavily. If this person continues to exercise, his muscle
Leno4ka [110]

Usually during exercise, unlike during rest times the muscle cells need to respire more. So they need more oxygen and glucose for energy and the carbon-dioxide produced as waste must be removed quickly. So when person gets tired or breathes heavily during intensive workouts means they are in need of more oxygen. So the cells starts performing anaerobic(lactic acid ) respiration even though it releases less energy.

3 0
4 years ago
How does molecular genetics add to our understanding of genes
gogolik [260]
<span>molecular genetics adds to our genes by DNA molecules.</span>
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