Answer:
The correct answers are-
a. Its metabolic demands increase.
b. It's surface area-to-volume ratio decreases.
c. Its ability to transport enough nutrients in and transport wastes out to meet cellular metabolic demands decreases.
Explanation:
As the size of a cell increases the surface area to volume ratio decrease. So a big cell has less surface area and small volume. Therefore surface area for transfer of metabolic substance per unit volume decreases so the cell's ability to transport enough nutrients in and transport wastes out to meet cellular metabolic demands also decreases.
But due to an increase in the volume of the cell the metabolic demand of cell increases because a larger cell requires more nutrients than a smaller cell to survive which can not be fulfilled efficiently due to less surface-area-to-volume ratio.
Therefore the correct answer is a, b, and c.
Answer:
True
Explanation:
The technique used by researchers to ask subjects to describe element of their experience is the introspection technique. The introspection involves the process by which an individual examines his own conscious emotions and thoughts by deeply looking inwards.
The introspection technique is similar to the methodology of Titchener. Titchener studied how the mind worked and also the different components of consciousness; he made use of introspective techniques and analysis to determine this.
Acid-fast and Gram is used to visualize the structures in a membrane.
It is a differential staining procedure which is used to identify, <em>mycobacterium tuberculosis and M. leprae.</em>
Acid-fast bacteria are considered to be gram-positive in terms of their structure as, they contains peptidoglycan in its cell wall.
They stain poorly with Gram stain procedure, and appears as weak Gram-positive.
Membranes are consisted of lipid bilayer, which is doubled layer of phospholipid, glycolipid and cholesterol molecules, which contains the chains of fatty acids, and
<em>determines weather a membrane is formed into long flat sheets or round vesicles.</em>
To examine the membrane protein structure, Electron microscopy technology is used and it enables the visualization of single protein at nanometers resolution.
To know more about, Structures of membrane, <em>click here-</em>
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The answer to this is calcium.
Answer: The heating process and the freezing process
Explanation:
When ice is heated up and begins to melt, the matter that makes up the ice (water) is infused with energy. The energy causes the ice to melt into a liquid and then into a gas. As the energy becomes greater and faster, the heat is more effective on melting/evaporating the ice/water.
When water is put in the freezer to chill, the cold air causes the energy cells to slow down, causing air to condense into water, and water to freeze into ice.
These are some examples that are easier to understand than other concepts, but there are many more of these occurrences in the world!
