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Ymorist [56]
3 years ago
7

Which of the following is true A water is important to some organisms B some substances must be dissolved in water before they c

an be used C all organism obtain water through food D plants cell are unaffected when water is scarce
Biology
2 answers:
Pie3 years ago
4 0
The answer is B. Some substances must be dissolved in water before they can be used.

Have a great day and hopefully this helps! :D
Marina CMI [18]3 years ago
3 0
THE ANSWER IS BBBBBBBB
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Which component of a homeostatic system compares sensory information to a target value?
Katen [24]

<u>Answer:</u>

Integrator compares sensory information to a target value.

<u>Explanation:</u>

  • Integrator is responsible for sending 'instructions to an effector' based on 'sensory information' which eventually give responses.
  • These effectors execute the necessary changes required to adjust with the environment. Integrator act as the control centers.
  • Integrators send signals to the effectors after comparing the variables or changes at a definite set point.
  • However, its function mechanism is 'dependent on the feedback loop'.
8 0
3 years ago
Do all human cells obtain glucose in the same way 
kipiarov [429]

Answer:

Animal cells (including humans ofcourse), heterotrophs, derive their energy from coupled oxidation-reduction reactions. Glucose is a primary fuel for heterotrophs. Energy derived from glucose is stored in the form of high-energy phosphate bonds in ATP, or other nucleotide triphosphates, and as energy-rich hydrogen atoms associated with the co-enzymes NADP and NAD .

Glucose is unable to diffuse across the cell membrane without the assistance of transporter proteins. At least 13 hexose transporter proteins with different functions have been identified. Some hexose transporters allow glucose to flow passively from high to low concentration without requiring the expenditure of cell energy. Those that move glucose against its concentration gradient consume energy, generally in the form of ATP.

D-Glucose is the natural form used by animal cells.

So yes it is present inside human cells .

5 0
1 year ago
A bald eagle and a black bear both have four limbs with digits because they are both tetrapods, descendants of a four-limbed anc
Lisa [10]

The bald eagle and the black bear are tetrapods, which means that they both have four limbs along with the digits. This shows that they both are the descendants of the four-limbed ancestors. However, the limbs of the bear and the bald eagle have different functions. The forelimbs of both these organisms serves different purpose. Hence, their limbs are homologous organs. The homologous organs are those which have the same ancestry but the functions are different.

7 0
3 years ago
What do tissues working together form?
jeyben [28]
They form an organ

Have a nice day
3 0
3 years ago
What are valence electrons?
Ksivusya [100]

Answer:

D

Explanation:

The simple answer is the electrons in the outermost energy level.

Hydrogen has 1 electron in the outermost energy level.

Magnesium has 2 so this tells you that magnesium has a charge of 2

Oxygen has 6  oxygen has a charge of - 2

Fluorine has 7

For most elements, the electrons in the most outer ring determine the valence of the element.

Notice that the non metals work differently than the metals. Mg may have a charge of 2 and that is the number of electrons in the valence right.

Oxygen is a non metal it has a charge of - 2. It gets 6 electrons by subtracting the number of its charge from 8.

6 0
3 years ago
Read 2 more answers
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