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3 years ago

10

PLEASE HELP IF YOU KNOW

1 answer:

yarga [219]3 years ago

6 0

I know that increased temperature and concentration increases the rate of enzyme activity. Through deductive reasoning, I can conclude that lower ph must qualify as well.

Through logic, I will say "All of the above" or answer D is the best.

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The x chromosome is found ________. the y chromosome is found ________. in both males and females; only in females only in males

elixir [45]

The answer is both in males and females; only in males. Males have one Y chromosome and one X chromosome, while females have two X chromosomes. In mammals, the Y chromosome controls a gene which is the SRY, which produces embryonic improvement as a male. The Y chromosomes of males and other mammals also contain other genes needed for normal sperm production.

8 0

3 years ago

Read 2 more answers

Is a enzyme a protein

spayn [35]

Answer:

Yes

Explanation:

An enzyme is a protein that changes the rate of a chemical reaction.

6 0

3 years ago

Which of the following samples will have the greatest volume at STP?a. 22 g Neb. 22 g Hec. 22 g O2d. 22 g Cl2 e. All have the sa

sammy [17]

Answer:

22g of He

Explanation:

Volume of gas at STP is given as :

Volume occupied(dm³) = number of moles x 22.4dm³mol⁻¹

In order to solve this given problem, we would first find the number of moles from the different masses of atoms and molecules given.

Number of moles = $\frac{mass }{Molar mass}$

Now, let us obtain the molar mass of the given atoms and elements:

For Ne; molar mass is the atomic mass = 20gmol⁻¹

He = 4gmol⁻¹

O₂ = (16 x2)gmol⁻¹ = 32gmol⁻¹

Cl₂ = (35.5x2)gmol⁻¹ = 71gmol⁻¹

Number of moles of Ne = $\frac{22}{20}$ = 1.1mol

Volume occupied by Ne at STP = 1.1 x 22.4 = 24.64dm³

Number of moles of He = $\frac{22}{4}$ = 5.5mol

Volume occupied by He at STP = 5.5 x 22.4 = 123.2dm³

Number of moles of O₂ = $\frac{22}{32}$ = 0.688mol

Volume occupied by O₂ at STP = 0.688 x 22.4 = 15.4mol

Number of moles of Cl₂ = $\frac{22}{71}$ = 0.3099mol

Volume occupied by Cl₂ at STP = 0.3099 x 22.4 = 6.94dm³

5 0

3 years ago

What is the S I unit for height?

Marrrta [24]

The answer is a meter.

3 0

3 years ago

What does each individual letter represent? (this is the chesapeake bay watershed)

Ratling [72]

Answer:

C= Estuary

E=Tributaries

D=Susquehanna river

A= Divide

G=new york

B= Rivers

F=York River

Note:

Pls give brainliest if possible. Thank you.

<em>All credit to </em>

<em>kiniwih426, who created this answer and explanation</em>

4 0

3 years ago