DESCRIBE THE FUNCTION OF A CELL MEMBRANE AND ITS RELATIONSHIP TO WHAT HAPPENS INSIDE A CELL

Biology

1 answer:

Anna007 [38]3 years ago

6 0

Answer:

cell membrane's main function is to act as a selectively permeable barrier to the transport of materials across it. Membrane is made up of phospholipids arranged in a bilayer fashion. The phospholipids are amphipathic in nature, that is, contain both a hydrophobic and a hydrophilic end.

Explanation:

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_____ is the result of the transduction of air pressure waves into neural messages that are interpreted by the brain.

fgiga [73]

Answer:

<u>Hearing</u> is the result of the transduction of air pressure waves into neural messages that are interpreted by the brain.

Explanation:

Hearing is the process of perception of sound stimuli by detecting vibrations through the ear. The function of our auditory system is to transform the variations of pressure waves as they propagate through the air into electrical impulses. The capture, processing and transduction of the sound stimuli are carried out in the ear itself, the ear picks up the sound and transforms it into a neural message, while the stage of neural processing, in which the various auditory sensations occur, it is located in the brain, which is responsible for decoding the message to understand perception.

6 0

4 years ago

A. What are general/biological functions of proteins in human body/cells/organism?

iogann1982 [59]

Answer:A) proteins are useful as enzymes, hormones etc.

B) the building block of protein are amino acids

Further explanation below

Explanation: A) proteins are polymers formed by several chains of amino acids. They occur in living tissue and form 50 -- 60% of the total dry mass of the living cell. Proteins found in the membrane are used as structural integrity. Some proteins are catalytic in nature and are such are used as enzymes. They also occur as hormones. Proteins help in the transport of substances across the cell membrane, when they are found in the cell membrane.

B) the building block of protein are amino acids. They undergo condensation reaction to form proteins.

The structure of amino acid is in the attached photo.

R = the group that determine the name of the amino acid. It may be a hydrogen atom,an alkyl, an aryl, or carboxyl group.

H2N = the amino group

COOH = the carboxyl group

C = the alpha central carbon to which other groups are attached.