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swat32
3 years ago
12

Describe the processes by which root hair cells absorb water and mineral ions from the soil

Biology
1 answer:
scZoUnD [109]3 years ago
8 0

\huge\hookrightarrow  \mathfrak{Answer}

The process by which <u>root hair</u> cells absorbs <u>water</u> and <u>mineral ions</u> (sap) from <u>soil</u> is :

\huge\boxed {\mathcal{Osmosis}}

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The Paramecium is an aquatic, single-celled organism. What is a challenge of homeostasis for this organism?
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Answer:

I think it is the second option, maintaining a stable size and shape

Explanation:

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8 0
2 years ago
Based on fossilized evidence, there are scientific claims made about the evolution of certain species. If a scientist studying t
Eva8 [605]

Answer: For the scientist to have alternative hypothesis considered, it is imperative he takes certain steps, this steps will ascertain the scientific claims already made about the evolution of species.

Therefore,the scientist will simply test the alternative hypotheses inorder to know that they are incorrect.

This testing of hypotheses to ascertain their incorrectness is very useful in the study of fossils.

6 0
3 years ago
The correct sequence of events occurring during transcription is
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Firstly, the enzyme, DNA Helicase breaks the Hydrogen bonds between a specific region of the DNA molecule and unwinds the duplex DNA molecule at the targeted gene sequence site.
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Once the mRNA molecule is formed, it is separated from the synthesis complex and leaves the nucleus through pores in the nuclear envelope to moves towards ribosomes for Translation.
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6 0
3 years ago
The genetic analysis of Neanderthal bones indicates they
ikadub [295]

Answer:

The correct answer will be option-B.

Explanation:

<em>Homo neanderthelensis</em> or Neanderthals are the close relatives of the <em>Homo sapiens</em> or modern humans which became extinct around 10,000 years ago.

The Neanderthals and sapiens are the two related species of the same genus Homo but they showed distinct features like Neanderthals were muscular and shorter in height compared to the <em>Homo sapiens</em>. Recent fossils indicated that Neanderthals and<em> Homo sapiens</em> interbreed in some parts of the world as they were closely related to each other.

Thus, Option-B is the correct answer.

4 0
3 years ago
What is not part of the endomembrane system?
Oksi-84 [34.3K]

Answer:

<u>Peroxisome</u> is not the part of endomembrane system

(<u>Mitochondria</u> and <u>Chloroplasts</u> are also not included in the endomembrane system)

Explanation:.

The endomembrane system is composed of the different membranes which are suspended in the cytoplasm within a eukaryotic cell. They include :

1) Nuclear membrane

2) Endoplasmic reticulum

3)Golgi apparatus

4) Lysosomes

5) Vesicles

6) Endosomes

These membranes divide the cell into functional and structural components.

<u>Peroxisomes</u> are also covered with membranes but they are not considered as the part of endomembrane system as <u>they don't recieve vesicles from Golgi apparatus.</u>

Similarly the membranes of mitochondira and the chloroplasts also are not included in the endomembrane system because their functions are not coordinated with the organelles involved in the endomembrane system.

3 0
3 years ago
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