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lozanna [386]
1 year ago
7

g protein-coupled receptors are the largest family of cell surface receptors. each receptor passes through the plasma membrane h

ow many times?
Biology
1 answer:
ziro4ka [17]1 year ago
5 0

They are known as seven-transmembrane receptors because of the number of times (7 times) they travel through the cell membrane while interacting with G proteins.

Each GPCR is extremely specialized to a given signal, and humans alone have about 1,000 distinct GPCRs. GPCRs are made up of a single polypeptide that has been folded into a globular shape and encased in a cell's plasma membrane. The biggest family of receptors and membrane proteins in the human genome are G protein-coupled receptors (GPCRs), which have about 800 members, of which half are olfactory. Numerous endogenous signaling molecules can activate GPCRs, which are involved in various physiological processes.

As a result, we can state that the seven-transmembrane receptors are so named because they couple with G proteins and pass through the cell membrane seven times.

LEARN MORE ABOUT G PROTEIN HERE:

brainly.com/question/14484159

#SPJ4

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What statement best describes the relationship between the products of photosynthesis and the reactants in cellular respiration
zalisa [80]

The products of photosynthesis is to gain energy and build compounds, like glucose from carbon dioxide, making it anabolic

The reactants of cellular respiration are catabolic, and that refers to the breaking down of compounds, which releases energy.

The relationship is that they're complex compounds that consist of materials coming from essential processes in the cell.

8 0
3 years ago
True vertebrates have a true head that develops from a neural crest of cells and hard structures surrounding the notochord.
Bond [772]

Yes. True vertebrates have a true head that develops from a neural crest of cells and hard structures surrounding the notochord.

The neural crest, which forms early in the development process in vertebrate embryos, is a fold on the neural plate where the neural and epidermal ectoderms converge. As an embryo grows, the neural crest produces neural crest cells (NCCs), which can differentiate into a variety of different cell types and contribute to tissues and organs.

The notochord is a temporary structure that plays a crucial role in higher animals. It secretes substances that communicate with all neighbouring tissues, telling them where they are and what will happen to them.

Therefore, True vertebrates have a true head that develops from a neural crest of cells and hard structures surrounding the notochord.

Learn more about notochord here:

brainly.com/question/11871768

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7 0
2 years ago
Part A The mandibular condyle __________. The mandibular condyle __________. is the opening through which blood vessels and nerv
Nitella [24]

Answer:

articulates with the temporal bone to form the temporomandibular joint

Explanation:

The mandible is the lower bone of the lower jaw of the human face which consists of the ramus and the front bones and teeth.

The mandible contains an articular structure for articulation called "condyle" which help in the formation of temporomandibular joints. The temporomandibular joint is the joint formed between the lower jaw or mandible and the temporal bone of the skull. This allows the free movement of the lower jaw.

Thus, the selected option is the correct answer.

6 0
4 years ago
Read 2 more answers
Please Help!!!!! Quickly!!!! brainiest to correct answer !!!!!!
Eduardwww [97]
Its a little confusing but i think that since u need help here it is 
 3/2  7/4  15/8 16/9  2
6 0
3 years ago
4. A rock composed of cemented, rounded pebbles is a
Ivan

Answer:

a porphry

Explanation:

6 0
3 years ago
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