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White raven [17]
3 years ago
15

In a tissue-culture lab, a scientist prepared somatic embryos of a banana. He wants to induce root development. Which hormone ty

pe should he apply to achieve this?
cytokinins



gibberellins



ethylene
Biology
2 answers:
Leni [432]3 years ago
3 0

the answer is A (cytokinins)

Alja [10]3 years ago
3 0

Answer:

Cytokinins

Explanation:

Cytokinins are a class of phytohormones found in large quantities in the root apex, leaves, fruits and seeds. It is noteworthy that the main site of synthesis is in the roots, where they promote root development. Once synthesized in the root apex, this hormone is known to migrate to other parts of the plant via xylem, where it participates in the breakdown of apical dominance, proves cell division, among other functions.

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The excretory system helps the respiratory system by
Leto [7]

Answer:

The excretory system helps the respiratory system by removing carbon dioxide that is produced during respiration (third option).

Explanation:

The lungs are in charge of the breathing process, being the main organ of the respiratory system. Each lung is considered an excretory organ —belonging to the excretory system— since it is capable of eliminating the carbon dioxide (CO₂) produced by the metabolism during expiration.

As a result of the gaseous exchange, the oxygen entering the lungs through the inhaled air passes into the blood, while the CO₂ is removed from the blood. This CO₂ is removed during expiration, which makes the lungs part of the excretory system.

The other options are not correct because:

  • <em>The excretory system does </em><u><em>not introduce more oxygen into the lungs</em></u><em>. </em>
  • <em>The </em><u><em>circulation of blood in and out of the lungs</em></u><em> is a function of the circulatory system. </em>
  • <u><em>Urine is not produced by breathing</em></u><em>.</em>
6 0
2 years ago
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Analyze the property of water you investigated and provide some real-world applications of the
scoray [572]

Answer:

As the type of investigation is not discussed, lets answer the question generally.

Explanation:

One of the properties of water is that water in the form of ice is less dense as compared to water liquid water. This property of water lets fishes survive in conditions when the temperature is freezing.

The hydrogen bonds in water make the water turn into a vast, honeycomb structure when the temperature is below 4 degrees Celsius. This causes the ice to float on water and the fishes can stay alive in the liquid water underneath the ice.

4 0
3 years ago
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What kind of tissue provides plants with the first line of defense against damage and disease?
sergeinik [125]


The best answer - dermal tissue.

Dermal tissue in plants forms the first line of defense against physical damage and infection from the outside world.

Dermal tissue covers the outside of the plant, except in woody shrubs and trees, which have bark. The most common cell type in dermal tissue is epidermal cell. Generally, a thin waxy layer called a cuticle covers the epidermal cells and protects them.

Other cells in the dermal tissue are guard cells that surround the stomata, which are openings in the leaves. Gases enter and leave the dermal tissue through the stomata.




3 0
3 years ago
Gametes from two plant species combine and produce a haploid zygote. True or False
ankoles [38]

Answer:

True

Explanation:

gametes from two plant species can combine and produce a haploid zygote

4 0
3 years ago
WORD BANK
Keith_Richards [23]
1. Replication
2. Hydrogen
3. Nucleotides
4. Thymine (T)
5. Cytosine (C)
6. Identical
7. Original
8. New
5 0
3 years ago
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