What is the use of petals on a flower? Please answer it in sense of science.

1 answer:

3 0

Well there are pedals on a flower because they surround the reproductive parts of the flower and they are often bright colors or odd shaped to attract pollinators

Hope this helps

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The noncyclic pathway is a FLOW of electrons from water, to photosystem II, to PHOTOSYSTEM I to NADPH. Energy is released as ELECTRONS move through the first electron transfer chain. This energy pumps HYDROGEN IONS into the thylakoid compartment, and then they power the formation of ATP as they flow back out. Sunlight provides the energy needed to keep this cycle going.

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Luminous energy is trapped by chlorophyll in Photosystem II.
When the pigment molecules absorb light, electrons provided by water molecules get in a higher energy level.
The excited electrons go through the electron transport chain from Photosystem II to a less energetic level in photosystem I.
When the excited electrons leave photosystem II, they are replaced by new electrons extracted from the water molecules.
Luminous energy absorbed move the electrons from the photosystem I to another electron acceptor, from where they get transported again and used to produce NADPH molecules.
When electrons leave Photosystem I, they are replaced by new electrons coming from photosystem II.
When the water molecule breaks down, hydrogen ions remain in the thylakoid lumen, from where they are pumped to the stroma by the ATP synthase.
The released energy is used to produce ATP molecules.
Hydrogen ions go back from the stroma to the thylakoid compartment.

The final products are oxygen, ATP, and NADPH.

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2 years ago

Growth of cell wall growth of cell wall during elongation takes place by which

Gelneren [198K]

Answer:

apposition

Explanation:

7 0

2 years ago

Will give crown neeed asap

Usimov [2.4K]

Answer: river

Explanation:

8 0

3 years ago

What is the difference between matter, atoms, and elements? Asking for a classmate since she doesn't have a phone :)

serious [3.7K]

Answer:

Matter is mass, Element is matter, and Atom is element.

Explanation:

Matter is anything that has mass or takes up space (Volume). Matter is made of elements. Elements such as carbon dioxide or gold. An atom is the smallest unit of matter. Elements are made of atoms. Atoms are what chemically makes an element. :) Hope she gets her phone!

4 0

3 years ago

Nuts and grains are fruits. a. True b. False

nordsb [41]

As for this question of true or false, the most probable answer and the most likely answer for this would be true.

Nuts and grains are considered to be dry fruits. What people usually think when the word fruits come into mind is usually the ones that are fleshy and juicy and the seeds are inside. Well, for nuts and grains, the seeds are also inside but what we eat are the seeds itself. Though they may be referred interchangeably in everyday conversations, it is understood that nuts and grains are both fruits.

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3 years ago