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3 years ago

N/a pls help me. Asap

Biology

1 answer:

Alik [6]3 years ago

5 0

Answer:

D) antibiotic

Explanation:

Because there’s nothing you can do about a virus other than take the vaccine, but when you get it, you need antibiotics to help your immune system fight it off.

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What function group pairing allows amino acids to bond together to form polypeptides?

Flura [38]

Holding of amine gathering to corrosive gathering. Polypeptides frame from lack of hydration amalgamation responses between an amine gathering and a natural corrosive gathering.
Polypeptides are chains of amino acids. Proteins are comprised of at least one polypeptide atoms. The amino acids are connected covalently by peptide bonds. The designs on the correct shows how three amino acids are connected by peptide bonds into a tripeptide.

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3 years ago

If an object turns but maintains the same speed,has its acceleration changed?explain

Andreas93 [3]

Acceleration is defined as the rate of change of velocity
Since velocity is a vector, it has both speed and direction.
So, if the object is travelling in a straight line at a constant speed, then it will not be accelerating. Both Magnitude and direction are constant.
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3 years ago

Which changes will cause an increase in the magnetic field of a solenoid? Check all that apply.

forsale [732]

Answer:

The magnetic field due to a solenoid is given as : where, is the permeability of the medium. n is the number of turns or loops in the coil. I is the current flowing in the solenoid.

The magnetic field due to a solenoid can be increased by increasing the number of turns, current and placing an iron core inside the solenoid.

So, the correct option are:

(1) using more wire loops

(2) using a larger current

Hence, the correct options are (a) and (c).

7 0

3 years ago

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if the ratio of the ages of kisii and esinam is 3:5 and that of Esinam and Larry is 3:5 and the sum of the ages of all three is

larisa [96]

Answer:

The age difference between the oldest and the youngest is 48.

Explanation:

Given the following data;

The ratio of the ages of Kisii (K) and Esinam (E) is 3:5.

The ratio of the ages of Esinam (E) and Larry (L) is 3:5.

The sum of the ages of all three is 147.

Since the age of Esinam is common in both ratios, we find the lowest common multiple (LCM);

LCM of 3,5 = 15.

Hence, the ratio of the three ages is now;

K:E:L = 9:15:25

Let their ages be denoted by x;

$K:E:L = 9x:15x:25x$

The sum of all three ages is;

9x + 15x + 25x = 147

49x = 147

x = 147/49

x = 3.

To find the age difference between the oldest and the youngest;

The oldest is Esinam = 25x

The youngest is Kisii = 9x

Therefore, 25x - 9x = 16x

Substituting the value of x, we have;

x = 3; 16x = 16(3) = 48.

The age difference between the oldest and the youngest is 48.

6 0

3 years ago

What is molecular polarity

krek1111 [17]

Answer:

The electron density of a polar bond accumulates towards one end of the bond, causing that end to carry a slight negative charge and the other end a slight positive charge. Likewise molecules in which there is an accumulation of electron density at one end of the molecule, giving that end a partial negative charge and the other a partial positive charge, are called polar molecules.

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3 years ago

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