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Phoenix [80]
3 years ago
9

The more root hairs a plant has, the more water and nutrients it can absorb. What is an appropriate justification of this statem

ent?
Biology
2 answers:
Rzqust [24]3 years ago
8 0
The more root hairs, the greater surface area. 
eimsori [14]3 years ago
4 0

Answer:

The more root hairs a plant has, the larger will be surface area to increase the rate of absorption.

Explanation:

The role of root hairs of a plant is to collect mineral nutrients and water available in the soil and absorb the solution up through the roots.

Water enters through the root hair cells and moves from one cell to another till it reaches the root cortex. Water goes on to the xylem vessels to be carried to the leaves

The plant absorbs more water and nutrients by growing root hairs on the tips of their roots to increase the surface area underground.

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Explanation:

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5 0
2 years ago
The suprachiasmatic nucleus influences the release of melatonin by its effect on the ________________.
anyanavicka [17]

Answer:

Pineal gland

Explanation:

The suprachiasmatic nucleus is the paired nucleus made of about 1000 neurons each in the hypothalamus. The suprachiasmatic nucleus is involved in maintaining the endogenous clock or the internal clock.

The suprachiasmatic nucleus controls the circadian rhythm by controlling the amount of melatonin. The melatonin is produced by the pineal gland from the serotonin and tryptophan precursors.  The hypothalamus thus controls the amount of the melatonin by regulating the pineal gland.

Thus, Pineal gland is the correct answer.

5 0
3 years ago
In which process is lactic acid formed when there is not enough oxygen present for cellular respiration to take place?
Olenka [21]
Anaerobic respiration.
<span>Anaerobic respiration is a type of cellular respiration BUT does not use oxygen (O2). It is used when there is not enough O2 for aerobic respiration.
</span><span>It can be summarised by the equation: glucose → lactic acid (+ energy released). However, it releases less energy than aerobic repspiration due to a lack of oxygen resulting in an INCOMPLETE breakdown of glucose.
</span>
6 0
3 years ago
What is the chemical reaction that lactase catalyzes?
Snezhnost [94]

Answer:

galactose and glucose

Explanation:

Lactase catalyzes the hydrolysis of the glycosidic bond in the disaccharide lactose, releasing galactose and glucose hope this worked :)

3 0
3 years ago
The molecule that carries a great deal of chemical energy in its chemical bonds and is made in both photosynthesis and cellular
Mamont248 [21]
The answer is glucose
8 0
2 years ago
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