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Rainbow [258]
4 years ago
15

Would penicillin be expected to have an equal ability to kill both Gram-positive and Gram-negative bacteria? Why or why not?

Biology
1 answer:
Finger [1]4 years ago
8 0

Answer:

No, due to the difference in Peptidoglycan layer

Explanation:

Since the mode of operation of the drug penicillin is to prevent the proper build-up of peptidoglycan in the cell wall of bacteria and bursting up its cell wall, Penicillin would have greater effect in killing Gram-negative bacteria with thin layer of peptidoglycan in their cell wall, unlike Gram-positive bacteria with a thick layer of peptidoglycan in their cell wall.

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What creates global winds?
Katena32 [7]
Global winds refer to the pattern of air movement all around the globe, and they result from the fact that the Earth receives unequal heating from the sun. Not only does the tilt of the Earth's axis mean that different parts in the planet receive desperate amounts of sunlight, but the oceans and lands also heat at different rates. The imbalance in temperature makes heat move toward the poles, both in the wind and in ocean currents. When horizontal variances in air pressure take place as a result, wind occurs.
4 0
3 years ago
Describe how science can have an affect on society
amid [387]

Answer:

Greeting's

Explanation:

The impact of science on society started to become extremely visible after the industrial Revolution in the 8th century. The most significant impact of science on society is in specific sectors, such as information, communication, physical sciences and energy.

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8 0
4 years ago
Without this, many cycles such as the water cycle and photosynthesis would not exist. What could all these cycles not exist with
fgiga [73]

Answer:

This question appears incomplete

Explanation:

This question appears incomplete. However, one similar substance that, if missing, many cycles (particularly the two cycles/processes provided in the question) will not exist/proceed is the sun/sunlight.

In the water cycle for instance, if there is no sun/sunlight, there will be no heat to allow for evaporation of water from the water-body (ocean, sea, stream or lake) hence there will be no cloud of water droplets in the atmosphere. The implication of this is that, the first process of the water cycle will not proceed, hence the cycle will not exist.

During photosynthesis, carbondioxide reacts with water in the presence of sun/sunlight to produce glucose and oxygen. The absence of sun in this reaction will not lead to the production of glucose which is the useful product of photosynthesis for plant.

From the explanation above, it can be deduced that <u>the absence of the sun/sunlight will prevent the two cycles from existing</u>.

4 0
3 years ago
What is one way that humans depend on the Earth's oceans?
laila [671]

Answer:

B

Explanation:

Simple

7 0
3 years ago
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3 years ago
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