Is a microvilli is a tiny finger like projection that kills bacteria in the lymphatic system? true or false

1 answer:

5 0

Villi are tiny finger like projections present in the inner epithelial lining of the intestine. Each finger like villi is further divided into microvilli, which is the extension of plasma membrane of each epithelial cell of the villi. These villi and microvilli present on the inner surface of the intestine provide a greater surface area and this enhances the digestion and absorption of the nutrients.

Therefore, the correct answer is false as a microvilli is the tiny finger like projection of the inner epithelial cells of the small intestine that has absorptive functions.

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2. A gas has a solubility in water

Juliette [100K]

Answer:

2.6 atm

Explanation:

At constant temperature, solubility of gas increases as pressure increases, Hence, they varies directly proportional.

i.e S ∝ P

$\frac{S}{P}= K$

$\frac{S_1}{P_1}=\frac{S_2}{P_2}$

where:

S₁ and P₁ are the initial solubility and pressure of the gas

S₂ and P₂ are the final solubility and pressure of the gas

Making P₂ the subject of the formula from the above equation; we have:

$P_2 = \frac{P_1*S_2}{S_1}$

where; it is given from the question that:

P₁ = 1.0 atm

S₁ = 0.36 g/L

S₂ = 9.5 g/L

Replacing the values into the above equation; we have:

$P_2 = \frac{1.0 atm *9.5 g/L}{0.36 g/L}$

P₂ = 2.6 atm

∴ The pressure needed to produce an aqueous solution containing 9.5 g/L of the same gas at 0°C = 2.6 atm

7 0

3 years ago

An insoluble solid that forms from a chemical reaction is called a(n) _____.

serious [3.7K]

I believe that an insoluble solid that forms a chemical reaction is called a precipitate.
Precipitate is an insoluble solid that forms when two ionic compounds in solution are combined. Which means precipitation reaction is the creation of a solid from a solution, and when the reaction occurs in a liquid solution, the solid formed is called the precipitate. In fact the only method of forming insoluble salts is called precipitation or double decomposition of salts.

4 0

3 years ago

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sp2606 [1]

Answer:

Explanation:

5 0

3 years ago

Express the product of 2.2 mm and 6.00 mm

spayn [35]

Just do 6 x 2.2
6 x 2.2 = 13.2

7 0