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Masteriza [31]
3 years ago
8

In a typical plant, when are stoma generally open?

Biology
1 answer:
Archy [21]3 years ago
6 0

Answer:

In many plants, stomata remain open during the day and closed at night. Stomata are open during the day because this is when photosynthesis typically occurs. Hope this helps. : )

Explanation:

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What are the 3 components of a nucleotide?
Gnoma [55]
Sugar , phosphate , and one of the 4 bases (adenine ,guanine,cytosine,thymine)
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4 years ago
Clinical manifestations of hypocalcemia include which of the following? (Select all that apply.) Positive Trousseau sign Positiv
kumpel [21]

Answer:

Positive Trousseau sign

Positive Chvostek sign

Hyperactive reflexes.

Muscle twitching, Paresthesias

When the blood conce

Explanation:

When the blood ca+ concentration falls below  the standard of 4.4-4.5mg/dL,that is below 4.4mg/dL the clinical condition is called hypocalcemia. It is caused by hypothyroidism,due to  malfunction of the parathyroid gland.

Generally, Ca+ is needed for contraction of muscles by causing the fusion of the vesicles containing neurotransmitters to the presynaptic membrane for the passage of neuro transmitters  to fuse with the receptors on the sarcolemma to initiate  muscular contractions by opening of ligand gated Na+. It also interact with the ligand gated  sodium ion channels

Generally,Ca+ inhibits depolarization of ligand gated Na+ channels. Thus blocks the opening of these channels and therefore the rate of excitability.Therefore, If the is low serum levels of Ca+,There is increased in the threshold of depolarization because more ligand gated Na+ channels are opened,Thus their is increased excitability of nerves and muscles fibres therefore in the  clinical manifestations listed above.

It can be treated with infusion of Ca+ into the blood.

7 0
3 years ago
True of false the ring of fire is affects the United States because it is located on the west coast
Maurinko [17]

Answer:

True

Explanation:

6 0
3 years ago
What does the biodiversity on Earth indicate about its organisms?
elena55 [62]
The biodiversity on Earth indicates that the organisms cannot tolerate extreme environments. Therefore, D. is the correct answer.
8 0
3 years ago
Read 2 more answers
A common mechanism of injury for an anterior tibiofibular ligament sprain is When icing an athlete with an ice bag and elastic w
Andrej [43]

Answer:

The correct answer will be

1. Inversion

2. 20-25 minutes

Explanation:

The injuries of the ligaments of the ankle are common among athletes like the anterior tibiofibular ligament sprain (AFTL) or calcaneofibular ligament (CFL) which are caused by the inversion of the flexed foot.

These cases of ankle sprains are treated with the rest and applying ice to the injured area for approximately 20-25 minutes repeated for  3-4 times per day.

Thus, Inversion and 20-25 minutes are the correct answer.

4 0
4 years ago
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