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Yuri [45]
2 years ago
8

Work is done when you

Biology
1 answer:
aleksley [76]2 years ago
3 0
The correct answer is A. you lift a book
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What is the ONLY organ located in the region (umbilical)?
Vitek1552 [10]

Answer:

small intestine

Explanation:

Umbilical. The umbilical region contains the umbilicus (navel), and many parts of the small intestine, such as part of the duodenum, the jejunum, and the illeum. It also contains the transverse colon (the section between the ascending and descending colons) and the bottom portions of both the left and right kidney.

6 0
2 years ago
Which histone protein is not part of the nucleosome structure?
Sergeu [11.5K]

Answer:

H1

Explanation:

Histones H2A, H2B, H3 and H4 are known as the core histones which means that there are building nuclesome. H1 is known as the linker histone which binds to the "linker DNA" region between nucleosomes, helping stabilize the chromatin fiber.  The linker histone H1 binds the nucleosome at the entry and exit sites of the DNA, thus locking the DNA into place and allowing the formation of higher order structure.

6 0
3 years ago
Which of the following statements about mitochondrial chemiosmosis is NOT true?
kari74 [83]

Answer:

Where are the options at and I'll see if I might be able to help or not.

4 0
3 years ago
How do you think the epithelial cells work in harmony with nerve cells in humans?
Nimfa-mama [501]

Answer:

exoosed body surface that's right

3 0
2 years ago
What are Heterotrophs known as ?
Nata [24]

Answer:

An organism that doesnt not produce its own food

Explanation:

Heterotrophs are consumers who eat other organisms for food, while autotrophs or producers make food by process of photosynthesis.

5 0
2 years ago
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