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EastWind [94]
3 years ago
8

What fossils would be bad index fossils

Biology
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0
Birds for example would have a bad index fossil
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A student hypothesized that EC growth might be affected by the DNA from circulating erythrocytes. Is this student’s hypothesis r
kykrilka [37]

Answer: The options are not given, here are the options.

A) No the DNA in circulating erythrocytes ins needed to help transport O2 through the capillaries

B) No circulating erythrocytes contain DNA.

C) Yes DNA is responsible for cell division in most cells

D) Yes circulating erythrocytes carry DNA nutrients through the capillaries

The correct option is B.

No circulating erythrocytes contain DNA.

Explanation:

Erythrocytes or red blood cells is a biconcave disc that contain haemoglobin which help to carry oxygenated blood in the body.

Circulating erythrocytes do not contain dna because they lack nuclei and organelles, cannot synthesize any RNA, therefore cannot divide and have limited repair capabilities.

Because they cannot carryout protein synthesis, no virus can evolve and invade the red blood cells.

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3 years ago
What process is shown in figure A?<br> What process is shown in Figure B?
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Answer:

Figure A: active transport

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3 years ago
(GIVING BRAINLIEST!!)
ladessa [460]
It’s C the answer is C!!!
8 0
2 years ago
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2. What are some sources of carbon in the carbon cycle?
9966 [12]
There are both natural and human sources of carbondioxide<span> emissions. Natural sources include decomposition, ocean release and </span>respiration<span>. Human sources come from activities like cement production, </span>deforestation<span> as well as the burning of </span>fossil fuels<span> like </span>coal, oil<span> and </span>natural gas<span>.</span>
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I NEED HELP AS QUICK AS POSSIBLE!!!
bonufazy [111]
The Answer gotta be C or D
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