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larisa [96]
2 years ago
11

Enzyme activity is affected by ph because __________.

Biology
1 answer:
d1i1m1o1n [39]2 years ago
3 0

Answer:  change the shape of the active site of an enzyme

Explanation:

Enzymes are also sensitive to pH . Changing the pH of its surroundings will also change the shape of the active site of an enzyme. ... This contributes to the folding of the enzyme molecule, its shape, and the shape of the active site. Changing the pH will affect the charges on the amino acid molecules.

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Focus on the evolution of horn size in the Bighorn sheep population from 1950 to present. What would you predict would happen if
dalvyx [7]

Answer:

The correct answer is option e) "Over time, we could see an increase in the H1 allele frequency".

Explanation:

The bighorn sheep (Ovis canadensis) is a species that is a very attractive for hunters because of its long horns. This negative human influence has make that bighorn sheep with long horns struggle to survive and reproduce. Horn size in bighorn sheep is determined primarly by a gene called HRN, which has two alleles H1 (for long horns) and H2 (for smaller horns). if hunting were discontinued for bighorn sheep in a large population we can predict that over time, we could see an increase in the H1 allele frequency, because in this population bighorn sheep with long horns will have better chances of surviving.

6 0
3 years ago
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Chlamydia is a sexually transmitted disease that S caused by a bacterium called Chlamydia trachomatis.
ioda

According to the research, the correct option is Unicellular organism that contains DNA. It is a characteristic of the infectious agent that causes chlamydia.

<h3>What is chlamydia?</h3>

It is a transmitted infection that occurs when a microorganism called Chlamydia trachomatis, which is a flagellated, unicellular protozoan, has been acquired.

It can cause pelvic inflammatory disease if it is not treated in time and cause irreversible damage such as infertility and the most used treatment consists of a single dose of an antibiotic that does not usually have adverse effects and is also suitable for pregnant women.

Therefore, we can conclude that according to the research, the correct option is Unicellular organism that contains DNA. It is a characteristic of the infectious agent that causes chlamydia.

Learn more about chlamydia here: brainly.com/question/14319379

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6 0
2 years ago
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Why did the nsf most likely took the stand they did?
serg [7]

Answer:"to promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense..." NSF is vital because we support basic research and people to create knowledge that transforms the future. This type of support:

Is a primary driver of the U.S. economy.

Enhances the nation's security.

Advances knowledge to sustain global leadership.

With an annual budget of $8.3 billion (FY 2020), we are the funding source for approximately 25 percent of all federally supported basic research conducted by America's colleges and universities. In many fields such as mathematics, computer science and the social sciences, NSF is the major source of federal backing. MORE

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View a two-minute video overview of NSF's mission and focus. To learn how NSF determines which research has the greatest potential and would be the most fruitful investment of taxpayer dollars, view NSF's Merit Review Process video.

Check out our NSF Toolkit, with resources providing information about the impact of NSF's investments.

WHO WE ARE

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NSF leadership has two major components: a director who oversees NSF staff and management responsible for program creation and administration, merit review, planning, budget and day-to-day operations; and a 24-member National Science Board (NSB) of eminent individuals that meets six times a year to establish the overall policies of the foundation. The director and all Board members serve six year terms. Each of them, as well as the NSF deputy director, is appointed by the President of the United States and confirmed by the U.S. Senate. At present, NSF has a total workforce of about 2,100 at its Alexandria, VA, headquarters, including approximately 1,400 career employees, 200 scientists from research institutions on temporary duty, 450 contract workers and the staff of the NSB office and the Office of the Inspector General. MORE

WHAT WE DO

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As described in our strategic plan, NSF is the only federal agency whose mission includes support for all fields of fundamental science and engineering, except for medical sciences. We are tasked with keeping the United States at the leading edge of discovery in areas from astronomy to geology to zoology. So, in addition to funding research in the traditional academic areas, the agency also supports "high-risk, high pay-off" ideas, novel collaborations and numerous projects that may seem like science fiction today, but which the public will take for granted tomorrow. And in every case, we ensure that research is fully integrated with education so that today's revolutionary work will also be training tomorrow's top scientists and engineers. MORE

HOW WE WORK

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NSF's task of identifying and funding work at the frontiers of science and engineering is not a "top-down" process. NSF operates from the "bottom up," keeping close track of research around the United States and the world, maintaining constant contact with the research community to identify ever-moving horizons of inquiry, monitoring which areas are most likely to result in spectacular progress and choosing the most promising people to conduct the research. MORE

Explanation:

6 0
4 years ago
At what point in the female cycle would the indicated structure be prominent?
frosja888 [35]

Answer:

During formation of the luteum.

hope this helps! Let me know

7 0
4 years ago
Suppose a salamander and a small tree are engaged in an ecological relationship in which only the salamander benefits, but the t
seraphim [82]

Answer:

This relationship is a commensal, and for the tree, it is mutualistic

Explanation:

Commensalism is a relationship between two living organisms or individuals of two species in which one species benefits from the other without harming it.  A commensal organism benefits from another organism mostly by obtaining shelter, food, or support from the host, which neither benefits nor is harmed. Mutualism on the other hand is an ecological relationship that benefits the two organisms.

On the relationship between salamander and a small tree; This relationship is a commensal, and for the tree, it is mutualistic.

6 0
4 years ago
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