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Ronch [10]
2 years ago
9

Which is required for a bacterial cell to replicate its DNA?

Biology
2 answers:
levacccp [35]2 years ago
8 0
U from mr Joseph kanach class
olganol [36]2 years ago
3 0

Answer:

c

Explanation:

90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love u

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What would be the estimated maximal heart rate for a 40-year-old?
stepladder [879]

Answer:

180 beats per minute.

Explanation:

<em>Hope This Helps!</em>

3 0
3 years ago
Can somebody say to me which cells can generate action potential and which cells can generate only electrotonic potential? And i
Nesterboy [21]

Answer:

An action potential is defined as a sudden, fast, transitory, and propagating change of the resting membrane potential. Only neurons and muscle cells are capable of generating an action potential; that property is called the excitability.

Explanation:

5 0
2 years ago
How does human activity impact Earth's systems such as deforestation
KatRina [158]

Answer: Land, Water,Urbanization, and smog and acid rain.

Explanation:

Smog and acid rain are produced through similar sources, primarily vehicle and industry emissions. Though both result from human-caused air pollutants, there are chemical distinctions between the two. Though there are regulations in effect to reduce both types of pollution, they remain a threat to both human health and the environment.Smog Causes A combination of three components -- nitrogen oxides, volatile organic compounds (VOCs) and sunlight -- causes smog. Nitrogen dioxide interacts with sunlight to create nitrogen oxide and a free oxygen molecule. This interaction produces ozone, which typically turns back into nitrogen dioxide, and the cycle repeats. The addition of VOCs interrupts the cycle, however. VOCs are produced by various sources, such as paint, cleaning products and refrigerants. The VOCs prevent the breakdown of ozone, allowing it to gather near the surface of the Earth, where even more nitric oxides are produced by vehicle and industry emissions, creating the dense smog seen in large cities such as Los Angeles and Beijing.Smog Hazards The presence of ozone in the form of smog can have several negative health effects. Respiratory systems can be irritated, reducing overall lung function and triggering asthma attacks. Evidence reported by the Environmental Protection Agency also suggests exposure to ozone reduces immune system responses, especially in the lungs. These effects subside over time, but little is known about the long-term effects of repeated exposure. Vegetation also suffers from smog, as plants that take up too much ozone can be damaged in ways such as discoloration and a loss of leaves that cuts photosynthesis efficiency by up to 50 percent.

6 0
3 years ago
What are the parts of the nervous system? Select all that apply.
Sidana [21]

Answer:

Brain, Spinal cord & nerves/neurons

Explanation:

N/A

7 0
2 years ago
Mary wants to remove a dent from a ping-pong ball without cutting into the sealed ball. she decides to put the ball in a bowl of
Misha Larkins [42]

The right option is; b. the water caused an increase in temperature of the air inside the ball and an increase in pressure.

The dent (hollow area formed by pressing or hitting) from the ping-pong ball disappeared because energy was transferred from the hot boiling water in which the ball was placed to the air inside the ball. This transferred energy will increase the temperature of the air inside the ball and the air molecules will begin to move faster with a greater force. Hence, causing an increase in pressure.

8 0
3 years ago
Read 2 more answers
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