BIOLOGY HIGH SCHOOL

The process by which the insulin would pass from the alveoli into the bloodstream

Answers

Answer 1
Answer:

Answer:

the permeable walls?

Explanation:

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Leaves appear green because the green portion of the light that strikes them is _____.a. changed to heat c. destroyed b. absorbed d. reflected
What is the main function of the reproductive system?
What does the dotted line between the water molecules represent?
Nick hypothesizes that wax has a higher melting point than chocolate. How can Nick test his hypothesis?A. Measure the volume and weight of samples of wax and chocolate and calculate their densities. B. Heat equal masses of wax and chocolate and measure their temperatures when they start to melt. C. Heat samples of wax and chocolate and use a stopwatch to time how long it takes until they start to melt. D. Use Mohs Hardness Scale to test how easily wax and chocolate can be scratched.
A wet handkerchief is kept on the forehead of person suffering from fever. why?​

What conditions for organisms to compete in a struggle for existence

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The lack of resources.

Which of the following is a radical? O H OH H2O

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Answer;

OH-

Explanation;

  • Radicals are molecules that contains at least one unpaired electron. They are formed when a single covalent bond breaks to leave an unpaired electron on each of the two species created by the breaking of the bond.
  • The answer for the question is OH, OH is an example of a radical, other common examples NH4+, NO3-, etc.
  • O, and H, are atoms. An atom is the smallest particle of an element that can take part in a chemical reaction.
  • H2O, is a molecules, A molecules is a substances made of two or more atoms. It is the smallest particle of a chemical element or a compound that has chemical propertie of an element or a compound.
If a radical is defined as a molecule with unpaired electrons,then the answer is OH.However,if you take the more general definition(an atom or molecule with unpaired electrons),then OH,O and H are all radicals.

Which best describes the role of immunosuppressants in transplant surgeries?

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Immunosuppressants, by it's name itself, suppresses or inhibits the immune system for functioning in a certain amount of time. It is administered usually during transplant surgeries, so that the new cells of the organ does not get killed by the recipient's immune system.

Identify the following groups by name and give the number of valence electrons in each...1. Group 1 (1A):
2. Group 2 (2A):
3. Group 3-12:
4. Group 14 (4A):
5. Group 15 (5A):
6. Group 16 (6A):
7. Group 17 (7A):
8. Group 18 (8A):
(this is talking about the periodic table

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Answer:

it's really simple, all you need to do is look at the periodic table. for example, group 1A has 1 valence electron. 2A has 2, 3A has 3, and so on.

Several hours following death the muscles of the body stiffen, a condition commonly referred to as rigor mortis. What is the cause for the stiffened muscles?Myosin heads are not attached to actin filamentsMyosin heads are attached to actin filamentsActin degenerationMyosin degenerationBuild up of ATP due to lack of circulation

Answers

Answer:

Myosin heads are attached to actin filaments

Explanation:

During the process of muscle contraction, myosin heads are attached to actin filaments. ATP is necessary for their release and for the muscle relaxation.

In rigor mortis, myosin heads continue binding with the active sites of actin proteins. This occurs because after death, there is no production of ATP and consequently, the muscle is unable to relax until further enzyme activity degrades the complex.

The process by which two species evolve in response to changes in each other over time is calledA. convergent evolution.
B. adaptive radiation.
C. coevolution.
D. punctuated equilibrium.

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The process by which two species evolve in response to changes in each other over time is called C. coevolution. 
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