BIOLOGY HIGH SCHOOL

Which of the following solutions has the greatest concentration of hydrogen ions in it?a pH 3 solution
a pH 7 solution
a pH 2 solution
a pH 12 solution

Answers

Answer 1
Answer: it is a pH 2 solution

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If the primary germ layers fail to form normally during gastrulation, the embryo could develop misshapen organs. TRUE or FALSE.
 HOW WOULD YOU BE ABLE TO IDENTIFY streptococci THROUGH A MICROSCOPE
Salmonberry leaf cells contain 14 chromosomes. How many chromosomes will a new leaf cell contain after mitosis ?
A closer cross-section view of a stem revealed continuous rings along the interior of the stem. Which type of stem could it be?
What are the functions of the smooth and rough E.R.s

In the food chain, how much energy is transferred from the Sun to a producer?1%
10%
90%
100%

Answers

Answer: The correct answer is 1%.

In a food chain, only 1% to 2 % of the total available solar energy is transferred to the producers. The rest 98% to 99% of the solar energy is reflected by the leaves and other surfaces on earth, which is then absorbed by some other materials that convert it into heat.

Thus, 1% solar energy is available to the producers in order to synthesize their food in the process called photosynthesis.
About 10% is transferred

There are several components to a functional osteon. changes to which of the following components would make the bones less strong overall and cause the bones to bend under a person's body weight?

Answers

The osteon is the fundamental functional unit of compact bone and it consists of concentric layers (lamellae), of compact bone tissue that surrounds a central canal.What gives a strength, hardness and rigidity to bone is the presence of mineral salt in the osteoid matrix, a complex of calcium and phosphate -hydroxyapatite. Calcified bone contains about 25% organic matrix (2-5% of which are cells), 5% water and 70% inorganic mineral (hydroxyapatite). So, changes in hydroxyapatite would cause the bones to bend under a person's body weight. 
Hydroxyapatite is your answer. It is a mineral form of calcium which is great for your bones and changes in it would cause the bones to bend under a person's body weight.

For a person who writes with his or her left hand, the muscles involved in writing are controlled by__. A. the left hemisphere of the cerebrum. B. the right hemisphere of the cerebrum. C. both. D. neither

Answers

The answer is B. the right hemisphere of the cerebrum.

It is known that the left hemisphere of the cerebrum is responsible for control of the right side of the body and that the right hemisphere of the cerebrum is responsible for control of the left side of the body. Therefore, left hand is controlled by the right hemisphere while right hand is controlled by the left hemisphere of the cerebrum.

Answer:

1) nervous system

2) to process information and form a response

3) the right hemisphere of the cerebrum

4) 3, 2, 1

5) 1

Explanation:

100% Hope this helps!

An extended state of considerably slowed down body functions is known as __________.a. hibernation
b. insomnia
c. stupor
d. torpor

Answers

The answer is a. hibernation. 

Hibernation is an extended state of decreased body function, primarily body temperature and metabolism rate. It occurs during the winter when food availability is reduced. Also, hibernation helps animals to preserve energy that would be used to maintain body temperature during long cold winters. It should be distinguished from torpor which is a short-term reduction of body functions. 
Stupor is the lack of consciousness and mental function, while insomnia is a sleep disorder.

Answer:

A. Hibernation

Explanation:

correct on edge 2022

True or false streams lose velocity when they join larger streams

Answers

False. Streams lose velocity when the slope of the stream bed decreases.
True . Streams Loses Velocity When They Join Larger Bodies Of Water

Which statement about the light-independent reactions in photosynthesis is true?They occur in the thylakoids.
They produce ATP and NADPH.
They release oxygen as waste.
They comprise the Calvin cycle.

Answers

The answer is they comprise the Calvin cycle.
The other answers are false because:
- The light-independent reactions occur in the stroma, outside the thylakoid membranes;
- They do not produce ATP and NADPH, but use them in the reactions;
- Oxygen is released as a waste in light-dependent reactions.

Answer:

the answer is they comprise the calvin cycle on edg 2020

Explanation:
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