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Helen [10]
3 years ago
10

What are three requirements associated with leaves as photosynthetic organs?

Biology
1 answer:
klio [65]3 years ago
4 0

Answer:

Light

Water

Oxygen These are the answers

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Which of the following statements about a typical plasma membrane is correct?a. Phospholipids are the primary component that det
nordsb [41]

Answer:

B

Explanation:

The fatty acid tails of phospholipids are hydrophobic – meaning they are ‘water-hating’. This is why they are in the middle of the bi-lipid layer of the cell membrane 'hiding' from the 'watery' environment of a cell. This poses a challenge in the diffusion of large and charged molecules across the membrane -such as sodium ions. Such molecules need transmembrane protein channels to help them cross the membrane. These are called integral proteins because they are part and parcel of the cell membrane. The cell membrane, in addition, also has glycolipids and glycoproteins on its surface that are significant in the identification of the cell by other cells.

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What should be replaced with the "?"*
barxatty [35]

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Explanation:i belive its b

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Biological membranes are said to be selectively permeable. What does this term mean, and how does this affect the way the molecu
valina [46]

Answer:

This means that some cells are able to letter molecules pass through them and this makes it easier for the molecules to pass through.

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3. What kinds of feedback loops occur most frequently in the human body?
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Answer:

Positive feedback loops occur most frequently in the human body.

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Grass (that is healthy) looks green because Group of answer choices it emits green light and absorbs other colors. it reflects g
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Answer:

it reflects green light and absorbs other colors.

Explanation:

The term pigment derives from the Latin pigmentum, which means the <em>substance that produces color</em>.

Pigments provide color to cells and tissues.

In vegetables, we can find different pigments, such as chlorophyll or carotenoids, among others. Plants use these pigments during the photosynthesis process to absorb sunlight and fixate carbon dioxide. Stem, flowers, and other tissue have pigments in their cells that define the organ´s colors.

Pigments are chemical molecules that produce color by the selective absorption of sunlight. Whenever white light meets a pigment, some wavelengths are absorbed by the pigments while others are reflected. The color expressed is the product of the reflection. The reflected spectrum is perceived as color and determined to be the pigment color or the color of an object or organism.

The color that tissue or vegetal organ express will depend on the pigment concentration or the combination of many of them.

The green color is ordinary in most vegetable species. Chlorophyll is responsible for this coloration, present in almost every vegetable species. This pigment absorbs blue and red wavelengths. But they reflect spectrums of green wavelengths, meaning that the expressed color is green in different tones.

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3 years ago
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