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Orlov [11]
2 years ago
5

Oxygen acts as the thermal electron acceptor by combining with electrons and blank to form blank

Biology
1 answer:
lozanna [386]2 years ago
8 0

Answer:

H+ ions // water

Explanation:

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In the female, the development of the "egg" halts during TWO stages, _________ and __________
earnstyle [38]

Answer: The blanks can be correctly filled up with prophase I and metaphase II.

Explanation:

In females, finite number of oocytes are present since birth. The process of oogenesis initiate in embryonic stage only. However, oogonia divide and mature to form primary oocytes. These primary oocytes start meiotic division but arrest in prophase I stage before birth.

After a girl attains puberty, one primary oocyte resumes its division each month during a menstrual cycle. The primary oocyte divides to form secondary oocyte and polar body.

Polar bodies degenerate after completing meiosis II. However, secondary oocyte halts its division again at metaphase II until fertilization takes place. Once fertilization takes place it completes its meiosis II and results into mature ovum and polar body.

7 0
3 years ago
6. Intravenous (IV) solutions are usually _________ so as to prevent
Dmitrij [34]

Answer:

hii there

The correct answer is option ( B ) isotonic

Explanation:

Hope it helps

have a nice day :)

4 0
2 years ago
Look at the diagram of the cell membrane. Would a cell membrane be able to function in the same
oksian1 [2.3K]

Explanation:

The membrane would be too rigid. The unsaturated fatty acids allow the membrane components to maintain their fluid mosaic structure-the components slip past each other freely and adjust to changes in osmotic pressure within the cell.

Further Explanation:

Lipids consist of fatty acids forming the hydrophobic tail and glycerol forming the hydrophilic head; glycerol is a 3-carbon alcohol that is water-soluble, while the fatty acid tail is a long chain hydrocarbon (carbon-backed hydrogen) of up to 36 carbohydrates.

Their polarity or arrangement can confer hydrophilic and hydrophobic properties on these non-polar macromolecules. Small water molecules can pass through the phospholipid bilayer through diffusion into the extracellular fluid or cytoplasm as a semi-permeable membrane, both of which are hydrophilic and contain large concentrations of polar water molecules or other water soluble compounds. The heads of the bilayer are hydrophilic the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.

Other components include:

  • Cholesterol: The comparatively rigid cholesterol anchors other molecules attached to the membrane, maintains membrane stability or structural integrity, and helps to separate some lipids, helping with membrane fluidity at low ambient temperatures.
  • Transmembrane proteins are embedded from the extracellular fluid into the cytoplasm within the membrane, and are sometimes attached to glycoproteins (proteins attached to carbohydrates) that function as cell surface marker.

Learn more about membrane components at brainly.com/question/1971706

Learn more about plasma membrane transport at brainly.com/question/11410881

#LearnWithBrainly

7 0
3 years ago
The job of the cell membrane is to ___________________ what enters and exits the cell.
vlabodo [156]

Answer:

The cell membrane is just like the other organelles of cells in that it serves the cell by having its own specialized jobs. One of its jobs is to control what enters and exits the cell and thereby to protect the cell.

Explanation:

Hope this helped!

-BB

4 0
2 years ago
The chemical name for sand is silicon dioxide. The two elements found in a sample of this sand are _____ and _____.
liubo4ka [24]
Silicon and oxygen as the compound name is silicon dioxide
5 0
3 years ago
Read 2 more answers
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