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valina [46]
3 years ago
14

4. What was the “basic idea” about matter that Leucippus and Democritus proposed?

Biology
1 answer:
topjm [15]3 years ago
8 0
Democritus is a Greek theorist that believes that atom is the smallest part of the substance. Atom, as he defined, is an indivisible entity. Leuccipus was Democritus' teacher who also believed on that notion. All matter are made up of atoms. If atoms are intact, the property of the substance is firm and solid while if the atoms are much apart, it would be described as a gas. Aristotle had a different belief of matter. He believed that the composing entities of matter are the four elements. However, this notion was rejected and proven through scientific inquiries about atoms and subatomic particles
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The Yellowstone area contains organisms representing all trophic levels, including plants, algae,
valentinak56 [21]

Answer:

c. Algae to fish to grizzly bear to fungi

Explanation:

Algae are the producers in Yellowstone trophic levels which can be eaten by fish which is a primary consumer. The grizzly bear which is a secondary consumer or carnivores feed on these fish and when the grizzly bear die, fungi which is a decomposer feeds on the grizzly bear and release nitrogenous substances which can be used by the algae for its growth and development. Only 10% of energy is transferred from on trophic level to another whereas the remaining 90% are released in the form of heat energy.

7 0
3 years ago
It has been recently determined that the gene for Duchenne muscular dystrophy (DMD) is more than 2000 kb (kilobases) in length;
castortr0y [4]

Answer. D

Explanation:

After the messenger RNA (mRNA) is formed, it has to go trough different steps before being translated into proteins, also known as maturation of the mRNA. One of the most important steps is splicing, a process that removes the introns (regions of the sequence that do not codify for any particular amino acid sequence or protein). In other words, the splicing process removes sequences that do not generate any protein, leaving only the exons to be translated into protein. However, the genes (within our DNA) will contain exons and introns; Therefore, the gene sequence will have more kilobases compared to mature mRNA as the introns in this macromolecule have been spliced out.  

I hope this clarify your question .

7 0
3 years ago
_________ occurs during meiosis but not during mitosis?
Dafna11 [192]

Answer: Crossing over

Explanation:

In meiosis, chromatids are made to exchange their genetic material during Prophase to allow the formation of offspring that are genetically different from their parents.

The process of exchange is called CROSSING OVER. And it occurs through a contact point known as Chiasma.

6 0
3 years ago
someone has their blood tested and finds that their blood sugar level is 138. this is equivalent to 1.38%. How much glucose is i
disa [49]

The amount of glucose in each ml of their blood will be 0.00138 g.

<h3>Blood glucose concentration</h3>

The concentration of glucose in the person's blood is 1.38%.

This means that there is 1.38 g of sugar per Liter of blood.

1 Liter of blood contains 1.38 g of glucose, and there is 1000 mL in 1 Liter of blood.

1000 mL contains 1.38 g

1 ml contains = 1.38 x 1 / 1000 = 0.00138 g

This means 0.00138 g of glucose will be present in every 1 mL of the person's blood.

More on blood glucose can be found here: brainly.com/question/8394646

#SPJ1

3 0
2 years ago
The cell membrane A.converts glucose to other energy molecules B.controls which substances enter and exit the cell. C.alters and
Artist 52 [7]

Answer:

B

Explanation:

The cell membrane is like a gate around the cell, it only lets certain substances come in and out of the cell.

7 0
3 years ago
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