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Studentka2010 [4]
3 years ago
13

Why does the Earth orbit the sun? Why doesn't it just fly out into space?

Biology
1 answer:
Damm [24]3 years ago
4 0

Answer:

d

Explanation:

Just as the Moon orbits the Earth because of the pull of Earth's gravity, the Earth orbits the Sun because of the pull of the Sun's gravity.

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Ells go through periods of growth and division. Cell division occurs during
Scilla [17]
Mitosis is when the cell divides
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3 years ago
Snake venom contains a mixture of enzymes, which include phospholipase that break down cell membranes, proteinases that destroy
Alik [6]

Answer:

The correct answer is - Venom enzyme inhibitors.

Explanation:

The snake venoms are the complex mixtures of phospholipase A2s, disintegrins, serine proteases, C-lectins, and metalloproteases, and others. The snake venom phospholipase A2s (svPLA2s) enzymes found in most of the families of venomous snakes that cause anticoagulant effects, cardiotoxicity, neurotoxicity, and cytotoxicity, and other effects.

In antivenom, there are Venom enzyme inhibitors other than antibodies that help in neutralizing these enzymes by weakening or inhibiting these toxic actions.

3 0
2 years ago
What are the structures that are located in the chloroplast that make photosynthesis work (multiple choice)
sweet-ann [11.9K]

Answer:

thylakoid

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5 0
2 years ago
What is the name of the process by which the cytoplasm divides in two?
Kamila [148]

Answer:

Cytokinesis

Explanation:

All living cells undergo division, it is the method employed in duplicating themselves. The division of cells involves two major processes viz; karyokinesis and cytokinesis.

Karyokinensis involves the division of the genetic material (DNA) in the nucleus. The chromosomes are initially separated into opposite poles/ends inside the cell. After which the cytoplasm of the whole cell then separates resulting in two daughter cells each having its own genetic material. This process is called CYTOKINESIS.

Although CYTOKINESIS occurs in all eukarotes and prokaryotes, the way it occurs in the eukaryotic plant and animal cells differ in the sense that, in animals, it occurs with the formation of a cleavage furrow as a result of pinching inward of the cell membrane until the two daughter cells form while in plants, a cell plate is formed at the cell's centre and a new membrabe and cell wall is formed around each cell plate.

4 0
2 years ago
When a peptide hormone reaches its target cell, which event happens next?
Anestetic [448]
<span>It binds itself to the receptors present on the surface of the cell membrane, which activates the enzymes present inside cell. Then It passes through the cell membrane and attaches itself to a receptor protein present in the cytoplasm. It passes on the signal to the secondary messengers inside the cell, which activate the receptors on the cell membrane.</span>
3 0
3 years ago
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