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jarptica [38.1K]
3 years ago
12

What is the purpose of a eukaryotic cell?

Biology
1 answer:
Bond [772]3 years ago
3 0

eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes. Each of these organelles performs a specific function critical to the cell's survival.

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The universe has existed for approximately
S_A_V [24]
I believe the universe is 13.8 billion years old. Possibly longer, or possibly shorter. Correct me if I'm wrong. 
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3 years ago
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The products of the light reactions of photosynthesis are ______.
Pachacha [2.7K]

The correct answer is - B) ATP and NADPH.

The products of the light reactions of the process of photosynthesis are the ATP and NADPH. The small amount of ATP produced in this process and the energy carrier NADHP are crucial for the functioning of the organisms that use the process of photosynthesis, and the reason for that is that these two are used by the organisms to create glucose, or rather sugars, in the process called the Calvin Cycle. The glucose is what these organisms use as their food, a food they they manage to make themselves, thus making them producers. If the light is missing, then the process of photosynthesis can not be performed because the formation of ATP's will be stopped, as well as the formation of NADHP, so the organisms will not be able to produce their own food.

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3 years ago
The transition between the respiratory system and the circulatory system occurs when oxygen transfers from _____ to _____.
topjm [15]

Answer:

alveoli, capillaries

Explanation:

alveoli is respiratory, capillaries is circulatory

3 0
4 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

Nanowire. Click for Credit.

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
The bones of the arms, legs, pelvis, and shoulder area
crimeas [40]
The bones of your arms are called humerus, while your forearms are composed of two bones, the radius and ulna. The bones of your fingers are called metacarpals and each one of those small bones are called phalanges.

The bones of your shoulders are composed of the clavicle, the bony part seen just right under the neck. Part of the shoulder area is the scapula, which is located at the back part of the body attached to the upper part of the ribs. They are the triangle-shaped bones you feel when you cross your arms at the back. 

The bones of your thighs are called femur, they are the largest bones in your body. While the bones of your legs are called tibia and fibula. The bones of your toes are called tarsals and each are composed of smaller bones called metatarsals. Your heels also have bones and they are called calcaneus.

The bones of your pelvis are called Coxal bones as a whole but they are composed of the illium (biggest part of your hips); the pubic bone, located along the reproductive organ; the sacrum and coccyx all located at the base of the spine. 
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