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3 years ago

Explain how cnidocytes with their nematocyst function in food capture and defense.

1 answer:

8 0

It has a neurotic....which on hydric pressure....releases.....and paralise the prey......and thus able to eat or defense as well !

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In your own words what is the meaning of life?

Lina20 [59]

Answer:

The meaning of life is to find your own happiness and help others.

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3 years ago

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Which series lists the correct order of steps of binary fission from first to last?

nlexa [21]

Binary fission is a type of asexual reproduction, and /or rather an asexual reproduction common in most prokaryotes.This function happens when the organism divides itself producing another replica of its genetic material and now altogether as the organism itself.

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Describe the process of reproduction in a flower?

hjlf

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I looked this one up for u ;)

Flowering plants. ... Sexual reproduction in flowering plants involves the production of male and female gametes, the transfer of the male gametes to the female ovules in a process called pollination. After pollination occurs, fertilization happens and the ovules grow into seeds within a fruit.

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3 years ago

Se efectúa un experimento en el que a la planta 1 se le suministra CO2 normal pero agua que contiene átomos de oxígeno radiactiv

algol [13]

Answer:

The Oxygen liberated in photosynthesis comes from photolysis of water.

The CHO formed from Calvin Cycle during photosynthesis comes from reduction of CO2 with H+ of photolysis of water.

Therefore,since Plant 1 contains labeled Oxygen(from water) it will give radioactive Oxygen as the byproduct of its photosynthesis. It CHO is normal.

However,Plant 2, will contain radioactive CHO,because its radioactive CO2 will be reduced by H+ from photolysis of water to form radioactive labeled carbohydrate(CHO)

Explanation:

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3 years ago

What are the precautions that should be token when using a photometer? please help me

Maksim231197 [3]

Answer:

PRECAUTIONS FOR USING A SPECTROPHOTOMETER :

1 . By allowing the lamps and electronics to warm up

2.By cleaning up any spills inside the cuvette compartment

3.By carrying out the set-up procedure in the correct order

4.By ensuring that %T or transmission is used as appropriate

5.By closing the door to the cuvette compartment before reading the result

6.By performing calibration checks after set up

7.By wiping fingerprints and spilt sample off the outside of the cuvette before measuring

8.By using the correct wavelength

PRECAUTIONS FOR USING A FRAME PHOTOMETER:

1. Do not move or Carry the unit when in use or connected to the mains electricity supply

2. There should be sufficient time for the chimney to cool before handling

3. Do not use acetylene with the flame photometer

4. Over adjustment of the fuel valve will cause excess flame

Do not position the product so that it is difficult to disconnect from the mains supply

5. Do not cover the chimney whilst in use.

6. Do not block or obstruct ventilation slots /airways

7. Do not operate or handle any part of the product with wet hands

I HOPE THIS WILL HELP AND IF NOT LET ME KNOW

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3 years ago