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3 years ago

using the diagram below, identify TWO structures used in membrane transport and explain how they help that to occur

Biology

1 answer:

Novay_Z [31]3 years ago

8 0

Answer:

The two structures used in membrane transport are 1 integral membrane protein 2 peripheral membrane protein.

Explanation:

The various protein present in the plasma membrane help the later to exhibit its function to transport various solute molecules and ions across the membrane.

Integral membrane protein such as Na+K+ATPase helps in the transport of Na+ ions inside the cell and K+ ions outside the cell against their concentration gradient.

Peripheral membrane proteins are present in water soluble region of either extracellular region or cytoplasmic region or both.Peripheral protein also helps in the transportation of various solute molecules .

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Alina [70]

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3 years ago

Air polution can cause lung tissue damage in animals this is an example of ____ affecting the_____

zepelin [54]

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3 years ago

Drag each tile to the correct location. Depending on the type of reproduction, offspring can be genetically identical, a clone o

just olya [345]

Answer:

1. fragmentation- genetically identical

2. budding- genetically identical

3. haploid cells from two different mycelia fuse to form a zygote- genetically distinct

4. one hyphae creates spores through mitosis- genetically identical

Explanation:

1) Fragmentation is a form of asexual reproduction i.e. one parent, employed by certain organisms including fungi in which a FRAGMENT breaks off from the single parent to produce new cells. Since it is an asexual reproduction, the resulting cells will be GENETICALLY IDENTICAL.

2) Budding is another form of asexual reproduction that fungi undergoes e.g yeast. In the budding process, buds develop on the parent cell and later grow into mature cells that are GENETICALLY IDENTICAL to the parent cell.

3) In fungi, two different mycelia can produce haploid sex cells via the process of meiosis, which then fuse to produce a ZYGOTE. This method is a sexual means of reproduction. Hence, the zygote formed will be GENETICALLY DISTINCT from the parent.

4) Hyphae (threadlike filaments) of a fungi can via MITOTIC DIVISION produce spores, which then germinates under favorable conditions and grows into a new fungus. This new fungus cell is GENETICALLY IDENTICAL to the parent hyphae.

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3 years ago

Why do you seldom see fossils in metamorphic rocks?

Sergeu [11.5K]

Answer:

Metamorphic rocks have been put under great pressure, heated, squashed or stretched, and fossils do not usually survive these extreme conditions.

Explanation:

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3 years ago

What happens after 1 cycle of the Calvin cycle

Shkiper50 [21]

Answer:

The Calvin cycle has four main steps: carbon fixation, reduction phase, carbohydrate formation, and regeneration phase. Energy to fuel chemical reactions in this sugar-generating process is provided by ATP and NADPH, chemical compounds which contain the energy plants have captured from sunlight.

Explanation:

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3 years ago