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Musya8 [376]
3 years ago
7

PLEASE I NEED HELP Question 8 of 10

Biology
1 answer:
ad-work [718]3 years ago
3 0

Answer:

Explanation:

Pumps, also called transporters, are transmembrane proteins that actively move ions and/or solutes against a concentration or electrochemical gradient across biological membranes. Pumps generate a membrane potential by creating an electrochemical gradient across the membrane.

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During the 18th century what was England’s view on inoculations
stepan [7]

Answer:

For many centuries, smallpox devastated mankind. In modern times we do not have to worry about it thanks to the remarkable work of Edward Jenner and later developments from his endeavors. With the rapid pace of vaccine development in recent decades, the historic origins of immunization are often forgotten. Unfortunately, since the attack on the World Trade Center on September 11, 2001, the threat of biological warfare and bioterrorism has reemerged. Smallpox has been identified as a possible agent of bioterrorism (1). It seems prudent to review the history of a disease known to few people in the 21st century.

Edward Jenner  is well known around the world for his innovative contribution to immunization and the ultimate eradication of smallpox (2). Jenner's work is widely regarded as the foundation of immunology—despite the fact that he was neither the first to suggest that infection with cowpox conferred specific immunity to smallpox nor the first to attempt cowpox inoculation for this purpose.

Explanation:

3 0
3 years ago
Why are fossil fuels considered nonrenewable resources?
xeze [42]
They are considered nonrenewable resources because once they are used, they are gone forever, and we are using way more than the Earth can produce. Your answer would be B!

Have a nice day! :)
5 0
4 years ago
Read 2 more answers
What are two negative effects on the carbon cycle of burning coal? explain your answer in terms of resources and climate change.
eduard

Air pollution and limited fresh air

4 0
3 years ago
Name two actions<br> that you could take to reduce elephant poaching.
AURORKA [14]

Answer:

increase protection and communal conservancies

Explanation:

increase protection this one is a fairly basic solution, there are many different ways of implementing it. Some park protection agencies in Africa use drones to keep watch at night, while others have sought out military tactics in order to stop black market poachers. Communal conservancies despite global trends, Namibia has done something extraordinary. Between the years of 2002 and 2013, the elephant population has grown from 9,600 to 16,000. The government of Namibia has policies in action where local communities can establish wildlife tourism, and where communities can keep vast amounts of the revenue made.

8 0
3 years ago
An element with the property of brittleness is ?<br>​
jeka57 [31]

Answer:

I think the answer is graphite.or bone

I hope this helps and sorry if it's wrong

4 0
3 years ago
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