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Artemon [7]
2 years ago
10

What insects are sometimes called devil’s darning needles?

Biology
1 answer:
Serga [27]2 years ago
4 0
Those are call Scorpios, and it can be a very dangerous creature
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PLEASE HELP !!! ASAPPPP !!!
STatiana [176]

Answer:

Is this USA Test prep?

I believe that it is all except the 2nd one

Explanation:

7 0
3 years ago
While A delta fibers command our "first" pain information, it is the A beta fibers that have slower conduction velocity conveyin
Semenov [28]

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a. True

Explanation:

A beta fibers relay touch senses while the A delta relay pain and temperature information.

5 0
3 years ago
In the electron transport system
antoniya [11.8K]

Answer:

A. NADH and FADH2 both donate electrons at the same location.

Explanation:

In the respiratory chain, four large protein complexes inserted into the mitochondrial inner membrane transport NADH and FADH₂ electrons (formed in glycolysis and the Krebs cycle) to oxygen gas, reducing them to NAD⁺ and FAD, respectively.

These electrons have great affinity for oxygen gas and, when combined with it, reduce it to water molecules at the end of the reaction.

Oxygen gas effectively participates in cellular respiration at this stage, so its absence would imply interruption of the process.

NADH and FADH₂ electrons, when attracted to oxygen, travel a path through protein complexes, releasing energy in this process.

The energy released by the NADH and FADH₂ electrons in the respiratory chain in theory yields <u>34</u> <u>ATP</u>, however, under normal conditions an average of 26 ATP molecules is formed.

If we consider that these 26 molecules are added to the two ATP formed in glycolysis and two ATP formed in the Krebs cycle, it can be said that cellular respiration reaches a maximum yield of 30 ATP per glucose molecule, although theoretically this number was 38 ATP per glucose molecule.

5 0
3 years ago
Х Flag A lake borders a housing subdivision and a golf course. Over time, algae in the lake begin to grow uncontrollably. Which
Mama L [17]

Answer:

B. runoff of nitrates from fertilizers applied to the golf course

Explanation:

Algal bloom is defined as the rapid growth of algae in freshwater or marine water. Algal bloom is green or yellowish in color that cover the top layer of water systems.

Algal bloom in the given case is caused by the excess of nutrients that is nitrates from fertilizers into waters and higher concentrations of nitrates causes uncontrollable growth of algae.

Algal blooms are harmful for environment as they may produce toxins and can block the sunlight from reaching the plants and animals in the water systems.

Hence, the correct answer is "B. runoff of nitrates from fertilizers applied to the golf course".

7 0
3 years ago
What is the process in which two gametes unite
Sergio [31]
Let me help you, 
The process in which two gametes unite is called fertilization. 
Have a good one! 
4 0
3 years ago
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