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Natasha2012 [34]
3 years ago
12

Which of the following structures is an extension of the petiole into the leaf blade?

Biology
2 answers:
love history [14]3 years ago
6 0
c.midrib. The petiole is a stalk arising from the stem of the plant that connects the stem to the leaf blade. In the middle of the leaf blade is the midrib, which is an extension of the petiole.
aksik [14]3 years ago
5 0

Answer:

the answer is C

Explanation:

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Answer:

menarche

Explanation:

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The process that Mildred used is known as _______. radiocarbon dating faulting indexing superposition
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Food molecules contain biochemical energy which is made available by
IrinaK [193]

Answers;

Cellular respiration;


Explanation;

Food molecules contain biochemical energy which is made available by cellular respiration;

The process of cellular respiration takes in food and uses it to create ATP, a chemical which the cell uses for energy.

The purpose of cellular respiration is to provide cells with the energy they need to functioning and activities such as growth and movement.


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3 years ago
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Which of these diseases does NOT require the introduction of foreign nucleic acid?
OverLord2011 [107]

Answer: Kuru

Explanation:

Kuru are transmitted by prion. This diseases are untreatable and ultimately fatal.

Prions are infectious proteinaceous particle that are neither virus nor do they contain nucleic acid.

They are transmitted by ingestion of the infected nervous system tissues.They are normally found in the healthy brain tissues if this protein is mis-folded into denatured form it can cause disease.

6 0
3 years ago
The Greek scientist Galen theorized that:
dimulka [17.4K]

Answer:

A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'

Explanation:

Galen believed a theory of pneuma. That is, he believed that blood contains "vital spirits" released into it by the brain.

6 0
2 years ago
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