BIOLOGY HIGH SCHOOL

Which of the following does not represent the empty set?

Ø
{0}
{}

Answers

Answer 1
Answer: The correct answer to this question is {0} because 0 is a element in this set. {} Represents a equal set, and ∅ physically represents a empty set. 
Answer 2
Answer: This is easy, the answer is: Ø

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What is an alternative to living in an urban area?

Answers

Explanation:

Among the many alternatives to urban sprawl, nearly all can be placed under the umbrella of “smart growth” or “New Urbanism.” Smart growth is a management strategy designed to direct the growth of urban areas, whereas New Urbanism focuses on the physical design of communities to create livable and walkable ...

What are differences between sperm and egg?

Answers

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How do rates of mutation "power" molecular clocks?

Answers

Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.

What molecule must be removed in order to rebuild ADP into ATP?A. A water molecule


B. A ribose sugar


C. A phosphate molecule

Answers

Hewwoo :3


What molecule must be removed in order to rebuild ADP into ATP?

In order to answer your question, you must look at the chemical structures of ADP and ATP.  ATP has an adenine that goes by 9' nitrogen to 1' carbon (ribose sugar). In turn, the 5' carbon is attached to a triphosphate molecule. You can see that there's no such thing as a water molecule there. Thus, a water molecule was presumably removed during chemiosmotic phosphorylation.

Answer: A. a water molecule

Where does the overwhelming amount of seismic activity occur on the earth's surface

Answers

Orogeny is an event which causes large amounts of deformation in the earth's crust and upper mantle. These deformations occur due to the movement of tectonic plates and the result of the deformations are large amounts of seismic activity. The regions formed by these events are called orogens or orogenic belts.

Which of the following structures is most likely to be found in an autotrophic protist?

Answers

b. A chloroplast 

The options in the question contain both autotrophs and heterotrophs.
(a) A giant redwood tree = Autotroph
(b) A spider = Heterotroph
(c) A rose bush = Autotroph
(d) A mushroom = Heterotroph
(e) A blue whale = Heterotroph
Autrophs are the organisms that have the capacity to form their own food from inorganic substances like the carbon dioxide. 
Heterotrophs are the organisms that cannot produce their own food but depends on other animals or plants for their nutritional needs. 
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