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IgorC [24]
2 years ago
6

Which substance is commonly found in a cell membrane?

Biology
2 answers:
Alexxandr [17]2 years ago
7 0

Answer: Proteins

explanation

call membrane are composed primarily of fatty- acid- based lipid and proteins.

AURORKA [14]2 years ago
6 0

Answer:

O proteins

Hope it helps

Please mark me as the brainliest

Thank you

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She notices that the muscle cells are loaded with mitochondria while the macrophages have abundant lysosomes. why is this so?
Kaylis [27]

The muscle cells are loaded with mitochondria to allow large amounts of ATP production while the macrophages have abundant lysosomes to digest the debris and dead organisms like bacteria.

Mitochondria are known as the powerhouse of a cell. This is because most of the ATP production used by various systems in their operation is produced by mitochondria. A chemical called NADH is produced in the mitochondrial matrix through the Krebs cycle. The enzymes embedded in the mitochondrial membrane use this chemical to produce Adenosine Triphosphate, generally known as ATP.

Macrophages are phagocytic white blood cells involved in engulfing and killing pathogens. They are involved in the innate immune response of the body. Lysosomes have specialized enzymes that can kill these pathogens.

Muscle cells need to contract or expand for which they require energy. Thus, they have abundant mitochondria. Whereas, the macrophages have abundant lysosomes to help them kill disease-causing pathogens like a virus or bacteria.

To know more about ATP production in mitochondria, refer to the following link:

brainly.com/question/16876656

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3 0
1 year ago
Plant spores are usually
max2010maxim [7]

Answer:

The correct answer will be option- A

Explanation:

Spores are the reproductive unit produced as a result of sexual reproduction and asexual reproduction in both lower and higher plants.

The plant groups like Fungi, Algae, Bryophytes, Pteridophytes and Gymnosperms produce these spores which provides adaptation as they can be dispersed for the long-distance as well as germinate and form an organism.

The spores are formed by the process of sporogenesis which forms four spores from a diploid structure their meiosis which reduces the genetic material to half and maintain the haploid ploidy number.

Thus, option-A is the correct answer.

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Red and white roses are cross-bred (neither are dominant). The offspring would be
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Pink hybrid or lavender
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Which most likely happen to the population of deer in 1963
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The correct answer choice should be B.) The population exceeded past its carrying capacity. Hope this helped!

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