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Vikentia [17]
2 years ago
11

Which of these cells contain spirals of lignin?

Biology
1 answer:
Sidana [21]2 years ago
6 0

Answer:

d. Xylem cells

Explanation:

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The final electron acceptor(s) associated with photosystem i is/are _____.
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NADP
Photosystem 1 is a photochemical reaction complex that uses energy from the light to produce high energy carriers NADPH and ATP. Chlorophyll complex p700 have being identified as the photo-oxidation reaction Centre in photosystem 1. However, NADP is known to be the final electron acceptor in photosystem 1.
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A substace put in a space or cantainer to fill it, usually applied in wood to fill up cracks and grooves
Ksju [112]

Answer:

Glue and sawdust.

Explanation:

Glue and sawdust are the substances that applied in wood to fill up cracks and grooves. You can use the glue and sawdust method to fill the gaps present in the wood. This method is a quick and easy solution that successfully fill up the gaps and grooves on the wood. The method of using this method is, first fill the gap with a small amount of wood glue, then rub sawdust into the gap which attached the saw dust with itself and the gaps are filled.

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Why are protists like animals ? A. They move and catch their food , B, they move and make their own food , C. They move and are
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3 0
3 years ago
What subatomic particles are involved in chemical bonds
scoray [572]

Answer:

Actually, the ELECTRON: Negatively charged particles in an atom. Electrons, which spin around the protons and neutrons that make up the atom's nucleus, are essential to chemical bonding.

Explanation:

3 0
3 years ago
Which of the following best explains how hydrogen bonding aftects the heat of vaporization for water?
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Answer: A. The hydrogen bonds cause water to resist a change in temperature.

Explanation:

Heat of vaporization is defined as the amount of heat required to convert 1 mole of liquid to gaseous state.

Water has high heat of vaporization due to the presence of strong hydrogen bonds between  hydrogen and a electronegative element oxygen. As the water molecules are strongly bonded to each other, large amount of heat is required to raise the temperature of water.

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