BIOLOGY HIGH SCHOOL

Because of its polar structure, ______ is often called the universal solvent.

Answers

Answer 1
Answer: The answer is water. 
Answer 2
Answer: Water is often called the universal solvent

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A student encounters a plant bearing small, purple flowers in the wild. The size of the flowers and the purple color are determined by two separate genes. The genes for both small size (S) and purple color (P) are dominant to large size (s) and white color (p), respectively. The student wants to determine the genotype of the newly isolated plant. Crossing to which of these plants would provide the most information in one generation? A. SSPP B. SsPp C. sspp D. SSpp

what is dyslexia?and how can a person like orlando bloom overcome it. (read an article about orlando bloom) and answer the question

Answers

dyslexia is a learning disorder mainly in reading.  In most cases dyslexia jumbles up letters like b and d and m and w but there are many diffrent types of dyslexia and you can over come dyslexia in many ways like studying harder or getting a tutor.

For several generations, your family has lived on a farm with a water well. There has never been a problem with the water supply in the past; however, your well has now gone dry. There are several small farms nearby and a large and growing city 50 miles to the north. What can you conclude is the most likely reason for your well to become dry?

Answers

Answer:

Depletion of ground water as a result of increased usage leading to lower water table.

Explanation:

The presence of small farms nearby coupled with the growing city that is just 50 miles the north, would mean more pumping of water for use by households, farms and even industries located in the growing city. The water level would definitely drop beyond pump intake as more wells are drilled, and water usage increases as well. The lowering of the water table is the most likely reason for the well becoming dry.

Omar wrote a hypothesis about batteries called dry cells.If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.

What are the variables in his hypothesis?

Answers

The hypothesis is
If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.

The variables are
the number of dry cells connected end to end
the duration of the light bulb working

Answer:

The answer is not c I believe it is A

Explanation:

The energy pyramid shown above represents a valley ecosystem. Which transfer of energy shown below is most likely? A. from rabbits to green plants
B. from weasels to eagles
C. from eagles to rabbits
D. from green plants to weasels

Answers

A transfer of energy in practice means that one organism eats the other organism, so here we have to ask whether the first organism is eaten by the second.

A. from rabbits to green plants

Plants don't eat rabbits so -no!

B. from weasels to eagles
-this is the correct answer! Eagles do prey on weasels and eat them whenever they can

C. from eagles to rabbits
Rabbits don't  eat eagles -so, no!

D. from green plants to weasels

Weasels are predators so they don't eat plants!

Explain why inflammation cannot occur in an ameba or in a dead body. Does inflammation have beneficial or noxious effects on the human body?

Answers

Answer:

Inflammation occurs only in live tissues and multicellular organisms

Explanation:

Inflammation is a response to foreign antigen by the bodies immune system. Where chemicals from the white blood cells are released to the blood or affected tissue.  

It cannot occur in dead bodies because the cells are dead too.

Amoeba is a single celled organism that cannot posses the complex components of the immune system.

Inflammation helps eliminate the initial cause and initiates tissue repair

Due to increase of blood flow to the affected region, it may cause redness and pain.

 

Which definition is the best for “semipermeable membrane”?

Answers

It is a barrier with tiny openings that let some, but not all, materials pass through.
It's a membrane where some smaller things can get through but others cannot.
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