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arsen [322]
3 years ago
10

Which substance is a reactant in photosynthesis

Biology
2 answers:
Alona [7]3 years ago
8 0

Answer:

carbon dioxide

Explanation:

APEX

Mazyrski [523]3 years ago
3 0

Answer: The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.

Explanation:

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Alex17521 [72]
Sodium is kept immersed in kerosene because Sodium doesn't react with kerosene.
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2 years ago
Which of the following factors might cause checkpoint genes to interrupt cell division? Check all that apply. Neurological signa
Strike441 [17]

Answer:

Neurological signals sent from fear responses in an organism tell the cell to stop. The cell's DNA has been damaged somehow. The cell's DNA was replicated incorrectly.

Explanation:

All the three options given can cause checkpoint genes to interrupt cell division.

Checkpoint genes are transcription genes that control cell cycle and sense defects during cells processes like DNA replication, segregation e.t.c and create response till the defects is repaired in the DNA. The important of checkpoint is that it ensure enough nutrients are available to support for division, ensure that the DNA has not been damaged, ensure that cells DNA is copied correctly and make sure cells have enough RNA for their protein synthesis.

Checkpoints genes can interrupt cell division if the dna is damaged, Dna is copied incorrectly and neurological signal sent from fear responses in an organisms tell the cells to stop.

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3 years ago
How to use bacteria as a treatment for sewage waste
konstantin123 [22]

Answer:

Aerobic bacteria can be used to use the available oxygen in the water to degrade the pollutants in the waste and convert it into energy it can use for its metabolic processes.

6 0
3 years ago
An interuption of blood flow within the bone resulting in the death of hemapoietic cells, osteocytes, and marrow fat cells that
zvonat [6]
The answer for the above question is the Avascular Necrosis. It occurs as an interruption in the blood flow within the bone resulting in the death of the hematopoietic cells, osteocytes, and marrow fat cells making up the bony structure. It is also called osteonecrosis or ischemic bone necrosis, which occurs when there is loss of blood to the bone, since the bone is a living tissue that needs blood, this interruption of blood supply will result to the death of the bone.
7 0
3 years ago
At which position on an electrocardiogram do the atria contract?
nordsb [41]

Answer:

P wave

Explanation:

Electrocardiogram records the strength and timing of electrical activity in heart. As various regions of heart contract at different times and for different duration, the electrical activity is not constant and shows a series of rise and fall. There are three main components of ECG: P wave, QRS complex and T wave.

P wave indicates the beginning of electrical signal in the right atrium. The signal spreads in both right and left atria which leads to their contraction. As a result, blood is pumped into the ventricles and rest of the process occurs.

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3 years ago
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