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irinina [24]
3 years ago
14

How have antibiotics changed the quality of life of for humans over the past Century​

Biology
2 answers:
Reptile [31]3 years ago
6 0
It lead to a huge population increase in area that it was available to is one of them
anastassius [24]3 years ago
4 0

Answer:

Antibiotics have helped in a speedy recovery for human illnesses over the past century.

Explanation:

Because anti biotics were not present centuries ago, many would get sick and even die. However, antibiotics work by affecting things that bacterial cells have but human cells don't. This helps to fight off the bacterial cells and fight infections and viruses, leading to a speedy recovery.

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Below is a segment of a normal DNA sequence:
castortr0y [4]
This would be an example of ____________.
A) A deletion mutation.

Notice how the sequence continues after loss of the C in the middle. It will also shift the reading frame when translating, thus a frame-shift mutation.
4 0
3 years ago
The bonds that hold atoms together behave most like Select one: a. glue. b. rubber cement. c. flexible springs. d. snap-together
jek_recluse [69]

Answer: Flexible springs

Explanation:

The atoms in an element or compound are bonded together by bonds which keeps the atoms together.

The bonds is stiff but it proves some flexibility for the movement of the atoms so that they can react and form different types of substances.

The bonds between the atoms act like flexible spring which keeps two or more atoms together and flexible for reacting.

3 0
3 years ago
What is the best example for biodiversity
snow_lady [41]
Read about country Nepal. It has mountain , hill and terai region favouring wide range of life?
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3 years ago
EXPLAIN The scuba diver is a living system. The scuba gear, or self-
zepelin [54]

Pt.I

All living things needs some form of oxygen to live. In talking about a scuba diver, we are talking about a human, who uses their lungs to breathe, and did not develop the ability to breathe under water. Instead, when in a body of water, we tend to hold our breaths until an opportunity arises for us to exchange our carbon dioxide for oxygen.

Take into account the scuba gear. The scuba gear fits the user, and has a number of protection, including the suit counter-balancing any pressure applied by the deep, and the tank providing much needed oxygen to the user during delayed periods within the water.

Pt.II

<u>How does these two systems interact?</u>

Like as a human is breathing on land or even swimming, the human expels carbon dioxide, which forms into "air bubbles" that are then expelled into the water surrounding. The user then draws air from the pressurized air tank, and is able to breathe as such. This allows the user to stay underwater for much longer than just one breathe, and is able to travel farther inside the deep.

Inside this system, the Oxygen is first input into the oxygen tanks, which are then used by the diver. The diver would draw the oxygen from the tank (output), and he will then expel the used air into the surrounding water.

~

8 0
3 years ago
In aerobic respiration, what is the direct source of energy that atp synthase uses to synthesize atp?
leonid [27]
For the answer to the question above asking <span>In aerobic respiration, what is the direct source of energy that ATP synthase uses to synthesize ATP?</span><span>I think this is Proton Gradient. It is t</span><span>he product of the electron transport chain. A higher concentration of </span>protons <span>outside the inner membrane of the mitochondria than inside the membrane is the driving force behind ATP synthesis.</span>
4 0
3 years ago
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