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Svetach [21]
1 year ago
13

Is the following statement true or false?

Biology
2 answers:
stich3 [128]1 year ago
6 0

Answer:

false!

Explanation:

Genetic mutations do not always have harmful effects on organisms. Some mutations can be neutral, and some may even be beneficial.

Mandarinka [93]1 year ago
5 0

Answer:

True is the answer but i don't know why

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How often two genes cross-over can tell us how far apart the genes are from each other. this is called recombinant frequency (rf
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By finding recombination frequencies for many gene pairs, we can make linkage maps that show the order and relative distances of the genes on the chromosome ..

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When the Sun is completely blocked out by the Moon a ________________ occurs. A) total solar eclipse B) total lunar eclipse C) p
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The answer is "total solar eclipse".
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3 years ago
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1. How did dark matter affect the development of structures in the early universe?
-Dominant- [34]

Answer:

1. It seeded the development of galaxies

2. The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

3. Supernovae that are moving away at an accelerating rate.

Explanation:

1. How did dark matter affect the development of structures in the early universe?

It seeded the development of galaxies.

It seeded the development of quasars.

It cooled pockets of gas to form nebulae.

it became part of black holes

2. How has scientific understanding about the composition of the universe changed over time? Select the two correct answers.

The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

The percentage of ordinary matter has grown in scientists' estimates.

The percentage of dark energy has shrunk in scientists estimates

3. Which is evidence for the existence of dark energy?

Pulsars that seem to be moving closer at an accelerating rate.

Supernovae that are moving away at an accelerating rate.

Black holes that are expanding at a constant rate.

Galaxies that are rotating at a constant rate.

<u><em>Please don't use these answer's to cheat they are to help only.</em></u>

6 0
3 years ago
Myelin sheath consists of axon?
forsale [732]
Rather, each myelin sheath insulates the axon over a single long section and, in general, each axon comprises multiple long myelinated sections separated from each other by short myelin sheath-gaps called nodes of Ranvier. ... In the CNS, axons carry electrical signals from one nerve cell body to another.
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The ears work with the brain and other body parts through a series of steps that help you hear the sound of a train coming. What
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Explanation:

first of all our eyes recognise to train and send the message to our brain then our ears and then the brain send motor impulses to muscles of leg

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