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Blizzard [7]
4 years ago
10

What caused the mass extinction 65 million years ago that caused 75% of all species of plants and animals disappeared within a f

ew million years?
Biology
1 answer:
slega [8]4 years ago
8 0

Answer:

An asteroid impact.

Explanation:

An asteroid impact is considered to have tossed rubble across the earth, killing off many species of plants and animals, 65 million years ago. Volcanic activity is involved in at least four mass extinctions, whereas an asteroid in just one.

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Are Endocytosis and exocytosis are types of vesicle transport
ivolga24 [154]
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3 years ago
What is the sequence of cases on dna strand b from left to right? (See picture)
Bas_tet [7]

Answer:Dna template- 5' ACTCCTGAA 3'

3' TGAGGACTT 5' complementary base

Explanation: Dna consist of a double stranded helix structure. Replication occurs to make extra copies of DNA strand. The DNA strand use to make extra copy is the template strand while the mirror image is the complementary base.

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For complementary base in DNA Adenine complement thyamine

Cytosine complement Guanine

i.e A-T

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6 0
3 years ago
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IrinaK [193]

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Which plant cell organelle breaks down chemical fuel into packets of chemical energy that can power the cell?
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the mitochondria breaks down chemical fuel into packets of chemical energy that can power the cell


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