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Pavel [41]
3 years ago
13

active transport requires __ and __ in order to function correctly. a) nucleic acids, membrane proteins b) energy, membrane prot

eins c) energy, peripheral proteins d) energy, nucleic acids
Chemistry
1 answer:
Anna [14]3 years ago
3 0
B. Energy and membrane proteins, the energy is to give the extra push if a molecule is moving against the gradient and the membrane protein is the passage from in or outside the cell
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How many of each subatomic particle type does each of the following atoms contain: a. 90_Ag b. barium-132
Kryger [21]

<u>Answer:</u> Silver has 47 electrons, 47 protons and 43 neutrons. Barium has 56 electrons, 56 protons and 76 neutrons.

<u>Explanation:</u>

Atomic number is defined as the number of protons or electrons that are present in a neutral atom.

Atomic number = number of protons = number of electrons

Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

Mass number = Number of protons + Number of neutrons

  • <u>For Silver:</u>

Atomic number = 47

Mass number = 90

Atomic number = Number of protons = Number of electrons = 47

Number of neutrons = Mass number - Atomic number = 90 - 47 = 43

Hence, silver has 47 electrons, 47 protons and 43 neutrons.

  • <u>For Barium:</u>

Atomic number = 56

Mass number = 132

Atomic number = Number of protons = Number of electrons = 56

Number of neutrons = Mass number - Atomic number = 132 - 56 = 76

Hence, barium has 56 electrons, 56 protons and 76 neutrons.

7 0
4 years ago
5. Didderent betwen group and period.​
Ronch [10]
A group goes vertically and a period goes horizontally.

(a group goes down and a period goes across)
3 0
3 years ago
What is the specific heat of a substance if 690 J of heat are required to raise the temperature of a 100 g
tangare [24]

Answer:

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Explanation:

8 0
3 years ago
50 extra if correct !!
leva [86]

Answer:

A.

Explanation:

the gradual movement of the continents across the earth's surface through geological time.

7 0
3 years ago
The equation most often associated with Newton's Second Law of Motion is
nignag [31]

Answer:

F = ma or Force = mass x acceleration.

Explanation:

Newtons second law is about the force put onto an object. To find this you would use the formula:

Force is equal to mass times acceleration (F=ma)

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3 years ago
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