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AlladinOne [14]
3 years ago
15

What element is the sun made of

Biology
1 answer:
KATRIN_1 [288]3 years ago
5 0
The sun is made out of Hydrogen.
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What is the function of prothrombinase and thrombin?
max2010maxim [7]
To convert factor I (fibrinogen) into a fibrin clot
6 0
3 years ago
A cell whose cytoplasm has a concentration of 0.02 mo lar glucose is placed in a test tube of water containing 0.02 molar glucos
ahrayia [7]

Answer:

<u>Isotonic</u>

Explanation:

If the solute concentration of the cell and that of its surrounding medium are the same there will be no net flow of water in either directions. In this case, the external solution is said to be isotonic to the cell.

Both the cytoplasm concentration and the glucose in the test tube are the same.

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3 years ago
Which type of respirator delivers clean air to the breathing zone from a tank worn by the operator?
MissTica

An air-purifying respirator that employs a blower to pump air through filters or cartridges and into the user's breathing zone is known as a powered air-purifying respirator, or PAPR. In comparison to a powered or negative-pressure half mask, this generates a positive pressure inside the facepiece or hood, increasing protection.

<h3>What kind of respirator offers a separate source of clean air?</h3>

For entry into or exit from settings regarded as IDLH, Self-Contained Breathing Apparatus (SCBAs) are employed. They can be either open circuit or closed circuit and contain their own breathing air supply.

<h3>What 2 categories of respirators exist?</h3>

Air-purifying and supplied-air respirators are the two main categories of respirators. Respirators that purify the air remove airborne pollutants such particles, dangerous vapors, and/or gases. They are suitable for use in surroundings with low levels of pollution and in areas with enough oxygen.

<h3>When should you use an air purifying respirator?</h3>

a small, unproven area. a lack of oxygen in the atmosphere. Firefighting. Contaminants with a lower explosive limit (LEL—the concentration at which a gas or vapour could ignite) of at least 20%

learn more about air-purifying respirator here

brainly.com/question/3627134

#SPJ4

6 0
1 year ago
The second stage of the calvin cycle needs an input of energy to reduce the 3pg molecules that resulted from the first stage. wh
Colt1911 [192]
<h3><u>Answer;</u></h3>

ATP and NADPH that were supplied through the light reactions

<h3><u>Explanation</u>;</h3>
  • <em><u>Calvin cycle reaction is the portion of photosynthesis that takes place in the stroma of chloroplasts and can occur in the dark; it uses the products of the light reactions to reduce CO2 to a carbohydrate.</u></em>
  • The Calvin cycle is divided into three portions: CO2 fixation, CO2 reduction, and regeneration of RuBP. Because five G3P are needed to re-form three RuBP, it takes three turns of the cycle to have a net gain of one G3P. Two G3P molecules are needed to form glucose.

3 0
3 years ago
What human cells are not produced from meiosis?
Nesterboy [21]

Answer:

most eukaryotic cells that are not involved in the production of gametes undergo mitosis. These cells, known as somatic cells, are important to the survival of eukaryotic organisms, and it is essential that somatic parent and daughter cells do not vary from one another.

Explanation:

4 0
3 years ago
Read 2 more answers
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