BIOLOGY MIDDLE SCHOOL

Lymphocytes _____.are part of the intergumentary system
ingest pathogens inside the body
identify antigens and produce antibodies
need a host to reproduce

Answers

Answer 1
Answer:

Answer:

Identify antigen and produce antibodies.

Explanation:

Lymphocytes:

  • are the types of white blood cells and the main part of lymphatic system.

They consist of 2 types of WBCs.

1) T-lymphocytes:

  • There are many types of T-lymphocytes but the main type are the cytotoxic t-cells.
  • T-cell receptors also identify antigens.

2) B-lymphocytes:

  • They produce antibodies.

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Answer 2
Answer: Lymphocytes - identify antigens and produce antibodies

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1. At about what temperature will 100 g of water dissolve equal amounts of potassium chlorideand barium hydroxide?

Answers

Answer:

Dissolving of solute in a particular solvent depends upon the temperature of the solvent.

Explanation:

Solubility is a amount of solute that can be dissolved in fixed amount of solvent at a particular temperature. It is crucial that the amount of solvent remains constant when a solubility of a substance determined .Here the amount of solvent (water) is kept constant at (100 ml). The variable that is changed the temperature of the solvent.

  Suppose a solution able to hold more solute at a particular temperature is unsaturated. A solution is able to hold maximum solute at a particular temperature is saturated. Under certain conditions a solution hold more solute than the maximum  amount at a particular temperature is supersaturated solution. Regarding the dissolving of barium hydroxide and potassium chloride is clearly given in a table which is attached.

Final answer:

The solubility of potassium chloride and barium hydroxide in water depends on the temperature, but specific data is needed to determine at what temperature they will dissolve equal amounts.

Explanation:

When it comes to the solubility of potassium chloride and barium hydroxide in water, the temperature plays a crucial role. Generally, the solubility of most substances increases as the temperature of the solvent increases. However, it's important to note that different substances have different solubility curves, meaning the relationship between temperature and solubility can vary.

In this case, we don't have specific solubility data for potassium chloride and barium hydroxide at various temperatures. It's best to consult a solubility chart or reference book to find the exact temperature at which these two substances will dissolve equal amounts in water.

Learn more about Solubility of potassium chloride and barium hydroxide in water here:

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What is an example of a non-renewable resource ?​

Answers

natural gas or coal or nuclear power

Answer: Non- Renewable sources can be coal, oil, gas, energy,  and more!

Why doesnt the moon crash toward the earth

Answers

cuz of the gravity :P
Gravity in space with all planets

True or False: Only the Moon’s gravity affects the tides because the Sun is too far away from the Earth to cause any change.

Answers

False the sun does have some affects on tides but has strong has the moon.
I think the answer is false but I am not sure

State how an electron microscope differs from a light microscope?

Answers

One is working on electrons and the other on light.

Which of the following is an example of a mixture?A.
hydrogen gas
B.
iron metal
C.
salt water
D.
sugar

Answers

Answer:

C.)Salt Water

Explanation:

When salt is dissolved in water is is considered a mixture because it is homogeneous throughout the substance
Salt water is an example of a mixture. Those to elements mixed together creates a mixture of salt and water, which makes salt water.
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