Answer/Explanation:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Source:
https://www2.estrellamountain.edu/faculty/farabee/biobk/biobooktransp.html#:~:text=Water%2C%20carbon%20dioxide%2C%20and%20oxygen,to%20cross%20the%20cell%20membrane.
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B. homeostasis B. regulation
Panting is a phenomena for maintenance of homeostasis in the body. In panting water from the inner moist lining of the oral cavity and pharynx get evaporated. This method of heat loss during hot and humid conditions is applied by dogs and other mammals to keep them cool. It is a kind of heat regulation process. Dogs keep there mouth open so that excess heat can liberate from their body.
Answer:
no. domain is the largest scale of measuring of life
Explanation:
Which process is a physical change?
c. melting ice
If you break a piece of glass, the shape of the glass changes, but the properties in the fragments remain the same. Which of the following has occurred?
d. a physical change
A substance made up of two or more elements that have been chemically combined is called
c. a compound
Of the three ordinary states of matter, gas is the only state that
c. is highly compressible
In which state of matter do the particles have the most energy?
b. gas
Elements in group 18 called Noble Gases are highly reactive because they have 1 valence electron.
false
Atomic mass is the sum of
b. protons and neutrons
The current model of the atom is known as
a. Rutherford's model
Most elements on the periodic table are
d. metals
Which is not a quality of a non-metal?
a. shiny
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➷ The correct answers would be:
phosphate molecule, nitrogenous base and deoxyribose sugar.
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