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Sholpan [36]
3 years ago
12

The short/ rod-shaped bacteria that produces tetanus, typhoid fever, tuberculosis, and diphtheria is known as ____

Biology
1 answer:
natita [175]3 years ago
6 0
The answer would be "Bacilli-<span>Short". </span>
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Cross bridge formation between myosin heads and actin molecules is caused by the elevation of calcium ion concentration in the c
almond37 [142]

Answer:

sarcoplasmic reticulum deteriorates and ATP production is stopped

Explanation:

Rigor mortis is the third stage of death characterized by stiffening of joints and muscles in body. The stiffening occurs because muscles are not able to return to the relaxed state. There are two reasons for rigor mortis, depletion of ATP and increase in calcium concentration in cytosol. Due to these factors the actin-myosin crossbridge is not able to break and the muscles remain in contracted state.

Sarcoplasmic reticulum deteriorates and calcium is released into the cytosol. Sarcolemma ( covering of muscle fiber ) also breaks down releasing extra calcium into the cytosol. Calcium is responsible for formation of actin-myosin cross bridge and when its concentration increases the bridge is formed continuously leading to stiffening of muscles and joints.  

3 0
3 years ago
The development of septa in the hyphae of fungi was an important evolutionary step. why?
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Because if a hypha is damaged, fungi can seal septa pores to prevent cytoplasmic leakage.
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3 years ago
________ sweat glands are widely distributed across the body surface, ________ glands are located wherever hair follicles exist,
ss7ja [257]

Answer:

<h2>merocrine, sebaceous, and apocrine</h2>

Explanation:

Merocrine: merocrine sweat glands are widely distributed across the body surface,

Sebaceous glands are located where hair follicles have existed,

apocrine sweat glands are found only in a few areas like axilla. Apocrine -are restricted to specific areas like the axilla, nipple of the breast, pubic region and around the anus area etc.

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The bones of a bird are hollow why would this be an disadvantage for a bird
Naily [24]
Hollow bones are always a disadvantage because it means that they are less sturdy and easier for predators to break.
4 0
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Give three examples of biomagnification ! Please help
Kaylis [27]

Answer:mercury, lead, chromium

Explanation:

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