Ba-6 what does an automatic cut-off lanyard do when properly attached to a pwc operator

1 answer:

5 0

On a PWC, the lanyard or the short cord that fastens and secures rigging, is attached to the ignition safety switch and the operator's wrist or life jacket.

The automatic cut-off lanyard stops the engine when the operator falls overboard, or out of the powerboat, or is otherwise thrown from the proper operating position.

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Why are alternative scientific theories to evolution not taught in public school?

adoni [48]

Answer:

Option-(D):Alternative scientific theories are suppressed by the science establishment.

Explanation:

Theory of Evolution:

"The theory of evolution states that, there is a process of change which occurs inside the living organism's heritable, physical and behavioral traits over the years or mostly it occurs in a series of generation".

As, there were many other theories that were presented and research was carried out on them in order to increase the level of education regarding the term "evolution".
The alternative theories had no such experimental grounds to prove their worth and authenticity leading them to be suppressed by the Darwin theory of evolution.

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Pancreatic cells, which secrete a large amount of digestive enzymes, are labeled with radioactive leucine and then chased for se

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Answer:

Exterior of the cell

Explanation:

Pancreas is a gland found behind the stomach and it secretes digestive enzymes into the duodenum.

Digestive enzymes are proteins hence leucine will form part of the enzymes.

Digestion of food takes approximately three hours. Therefore, if labelled Leucine is chased down with non radioactive leucine.

Black spots will appear on the exterior of the cells because digestive enzymes are extracellular enzymes .

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Carbohydrates, lipids, and proteins are types of carbon compounds that are broken down to produce

Sergeeva-Olga [200]

The answer is B.ATP.

Carbohydrate, lipids, and proteins consist of many C-H bonds which contain potential energy. When energy is needed immediately, those compounds broke down to different basic units. Those compounds are broken down to produce the great amount of energy in the form of ATP.

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How do energetic considerations affect the structure of populations? communities? ecosystems?

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10% rule (efficiency between trophic levels): limits how long an ecosystem's food chain can be
Predator/prey cost benefit analysis (i.e. foraging) -- cost is risk of being eaten or killed along the way, benefit is energy/nourishment obtained: limits distribution of predator v. prey
Immigration/Emigration with other populations and ecosystems
Island biogeography: size of land and distance from another population/ecosystem (mainland): limits population size and variability on island

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What do the spores that plants produce develop into? A. gametophytes. B. fertilization. C. zygotes. or D. sporophytes.

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Answer:
The life cycle of plants is composed of sporophye generation and gemetophyte generation. They show alternation of generation in which gametophytr produce gametes that develop into sporophytic plant. Sporophye produce spores that develop into gametophyte plants.

Example:
Bryophytes, pinus etc

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