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Anna007 [38]
3 years ago
10

Write two characters of roundworms?​

Biology
1 answer:
Law Incorporation [45]3 years ago
5 0

Answer:

Explanation:

roundworms have a body cavity with internal organs.

A roundworm has a complete digestive system, which includes both a mouth and an anus.

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Organelles that are surrounded by two membranes and contain DNA are the
Snezhnost [94]

Answer:

C

Explanation:

The nucleus contains most of the dna and the mitochondria contains a small amount

3 0
3 years ago
How can you distinguish a clastic rock from that of a bioclastic rock
IRISSAK [1]

<u>Bioclastic</u> rocks are actually sub-parts of <u>clastic</u> rocks, not a completely different thing altogether.

<u>Clastic</u> rocks are made up of loosened bits of pre-existing rocks. These rocks are formed from weathering, breaking those larger rocks down into little particles (for example, a grain of sand) due to external weather factors such as wind or rain. Some examples of these rocks would be sandstone, conglomerate, and silistone. They are classified by the size and shape of the fragments they are made up of.

<u>Bioclastic</u> rocks are also made up of loosened bits, however, they are not made of rock. They are made of fossils and biogenic (made by living organisms) particles (for example, pieces of shells and coral). These rocks are formed from small parts of pre-existing organisms compacting together to form a rock. Examples of this type of rock would be coquina and limestone, or more specifically, bioclastic limestone. Bioclastic rocks have a very crystalline texture and it is highly likely that you will see a shell in this rock type.

 

5 0
3 years ago
Which molecule is the final electron acceptor for electrons from photosystem I? a. Oxygen b. Chlorophyll in photosystem II c. Ca
Mumz [18]

The molecule which is the final electron acceptor for electrons from photosystem I is (d) NADP⁺.

Photosystem I is the protein complex involved in the process of photosynthesis. It captures the light energy to mediate the transfer of electrons from a series of electron transporters. It is involved in non-cyclic as well as cyclic photophosphorylation.

NADP⁺ is the Nicotinamide Adenine Dinucleotide Phosphate. It acts as a coenzyme. It is an important constituent in various anabolic reactions like Calvin cycle, lipid and nucleic acid syntheses, etc. The oxidized form of NADP⁺ is NADPH. It is present in organisms of almost all kinds.

To know more about photosystem I, here

brainly.com/question/14427520

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3 0
1 year ago
Bob...........................
Pepsi [2]
The builder can he fix it
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What structure regulates the amount of light passing to the visual receptors of the eye?
Vanyuwa [196]

Answer:

a. iris

Explanation:

iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye

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3 years ago
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