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1 year ago

The movement of water from high to low concentration across a semipermeable membrane is best defined as:.

1 answer:

8 0

The movement of water from high to low concentration across a semipermeable membrane is best defined as Osmosis.

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Cellulose is a complex carbohydrate found in cell walls of plants. What is the function of cellulose in a plant cell

mote1985 [20]

It is what makes plant stems, leaves, and branches so strong.

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2 years ago

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1. What are the end products of photosynthesis?

Firlakuza [10]

Answer:

1. Glucose And Oxygen.

2. Transpiration is the process by which water is lost in the form of water vapour by evaporation from the surface of leaves and other serial parts of plant .

3. A. Cooling Effect : The water keeps on evaporating from the leaf surface during transpiration . The heat required for evaporation of water is obtained from the plant itself and thus, the plant cools itself when it is hot outside.

B. Transpiration Pull : As water evaporates from the leaf surface, the roots pull up more water from the soil to make up for the water loss during transpiration .As a result, important mineral salts are also brought along with the water. These salts are necessary for the growth of the plant .

4. Leaf Tendrils : Sweet Pea

Spines : Cactus

Scale Leaves : Onion

5. Pitcher Plant, Venus FlyTrap, Blodderwort

6. Normally plants propogate with the help of seeds contained in the fruits . But some new plants may also be produced from other part of the plant such as the roots, stems, and leaves . This type of reproduction is called vegetative propogation .

E.g. = Bryophyllum .

Explanation:

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7 0

3 years ago

The diagram shows the process of transcription, which takes place in the nucleus of a cell. What is occurring?

chubhunter [2.5K]

Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). DNA safely and stably stores genetic material in the nuclei of cells as a reference, or template. Meanwhile, mRNA is comparable to a copy from a reference book because it carries the same information as DNA but is not used for long-term storage and can freely exit the nucleus. Although the mRNA contains the same information, it is not an identical copy of the DNA segment, because its sequence is complementary to the DNA template.

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3 years ago

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So i forgot what the genetic code is and how its read can somebody please be kind and help me..

ladessa [460]

Answer:

i d

Explanation:

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3 years ago

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When the charge inside the cell returns to the resting potential following depolarization, it is called:

scZoUnD [109]

Answer:

Repolarization

Explanation:

Repolarization refers to the phase during which the resting potential is restored after depolarization. This means that the inside of the axon membrane becomes negative again compared to the outside.

Repolarization is obtained by the functioning of K+ ion channels. The opening of K+ ion channels allows the K+ to move outside of the axon. Movement of positively charged ion (K+) outside of axon makes the inside negative again and the resting potential is restored.

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2 years ago