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2 years ago

Environmentalists oppose the mining of antarctic mineral resources because

Biology

1 answer:

Llana [10]2 years ago

6 0

Answer:

The Environmental Protocol bans all mineral resource activities in Antarctica (other than scientific research). ... This was because unregulated exploration and mining would have caused serious environmental and political problems.

Explanation:

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A DNA sequence is shown.

marishachu [46]

AAT - CGA - GT <span> shows the result of a deletion mutation in the DNA</span>

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3 years ago

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charle [14.2K]

Answer:

Explanation:

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2 years ago

Like all plants, the bryophytes show alternation-of-generation. Having evolved early in the history of plants, they have sperm t

fredd [130]

Answer:

The gametophyte generation is longest and largest phase

Explanation:

Bryophytes evolved from the algae group of the plants which were aquatic environment. The Chara algae which grow in the tidal region evolved to form the first plants which could grow in both water and land called bryophytes.

The bryophytes although obtained nutrition from the terrestrial environment but their gametophytic stage was dependent on the water for the fertilization.

The gametophyte which produces the gametes were larger and independent as compared to the sporophyte which was small. The gametophytes formed the dominant phase of the life cycle of the bryophytes.

Thus, The gametophyte generation is longest and largest phase is correct.

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2 years ago

Which of the following is not a characteristic of fungi?

Nadusha1986 [10]

C. is the answer.
Hope i helped!

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2 years ago

Where does nad+ deliver electrons compared to fad in cellular respiration?

Anna71 [15]

Answer:

The correct answer would be "NADH delivers its electrons to complex I and FADH₂ deliver its electrons to complex II" in cellular respiration.

There are mainly four complexes associated with electron transport chain of cellular respiration.

Complex I or NADH: ubiquinone oxidoreductase is the complex at which NADH is oxidized to form NAD⁺. The free electrons are transported with the help of ubiquinone.

Complex II or succinate dehydrogenase is the complex associated with oxidation of FADH₂ to FAD⁺. It also transports the free electrons with the help of the ubiquinone pool.

Complex III or cytochrome bc1 complex transport free electrons from ubiquinone to the cytochrome C which is a water-soluble electron carrier.

Complex IV or cytochrome c oxidase transport the free electrons to oxygen to form water.

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3 years ago