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dangina [55]
3 years ago
9

What do scientists think collapsed that started the process of the formation of the planets?

Biology
1 answer:
andriy [413]3 years ago
4 0

Answer:

d asteriod

big bang theory was formed by two massive asteriod

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Give two examples that illustrate interactions that occur between the abiotic and biotic parts of this ecosystems....
romanna [79]

Answer:

A Elephant eats some grass

A lion rolls in the sand

Explanation:

Elephants and lions are biotic(living), and grass and sand are abiotic (nonliving) and those are two interactions

4 0
3 years ago
An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?molten mate
quester [9]

The answer would be: <u>Molten material that cooled quickly.</u>


Igneous rocks are formed by the cooling of molten material. So we can cross out the last two choices. The rock has no identifiable crystals so it is most likely an Extrusive igneous rock. They form on the surface where they cool quickly.


Those that form underground are called intrusive rocks. They cool slowly allowing enough time for crystal formation.

4 0
3 years ago
Read 2 more answers
Epinephrine, insulin, and auxins are all examples of that help produce feedback.
JulsSmile [24]

Answer: cofactors.

Explanation:

Epinephrine, insulin and auxins are cofactors.

Cofactors are non protein substance which activate enzymes activity by increasing the rate of chemical reaction of enzymes. They are organic molecules and they assist in enzyme activity. They exist in performing some reactions the enzymes cannot perform alone.

For example, insulin activate enzyme hexokinase which phosphorylate glucose.

8 0
3 years ago
Read 2 more answers
In eukaryotic gene regulation, RNA interference occurs through:
Anit [1.1K]

Answer:

B. the action of microRNAs that block translation of specific mRNA molecule

C. the action of RNA–protein complexes that degrade the regulatory proteins responsible for initiating transcription.

Explanation:

RNA interference occurs what RNA prevent the translation of some gene this is done by neutralizing target mRNA molecule. It suppresses the effects of some desires genes through its action.

MicroRNA and small interfering RNA (miRNA and siRNA) are the major RNA that controls interference. siRNA and miRNA prevent translation by directing some enzmes complexes to denature the mRNA molecule needed for translation. They intiate post transcriptional splicing.

RNA interference is found in eukaryote and some animals and its initiated by enzyme Dicer that inhibits translation by degrading the enzymes action.

5 0
3 years ago
Read 2 more answers
What is positive feedback most like?
lbvjy [14]

Answer:

Positive feedback is most like adding wood to a burning fire to increase the heat. Positive feedback is a regenerative feedback process in which a segment of the output is combined with the input for the output to increase more.

Explanation:

Hope this helps :)

7 0
3 years ago
Read 2 more answers
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