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3 years ago

Which of the following statements correctly describes the process of GPCR signaling?

Biology

2 answers:

Zigmanuir [339]3 years ago

8 0

Answer:

B) The membrane-embedded enzyme uses GTP as a secondary messenger to initiate gene expression.

Explanation:

Due to the fact G Protein Coupled Receptors (GPCRs) perceive many extracellular signals and transduce them to heterotrimeric G proteins, which further transduce these signals intracellular to appropriate downstream effectors and thereby play an important role in various signaling pathways

If im wrong so be it >:)

Tcecarenko [31]3 years ago

7 0

Answer:

Explanation:

PCRs are a large family of cell surface receptors that respond to a variety of external signals. Binding of a signaling molecule to a GPCR results in G protein activation, which in turn triggers the production of any number of second messengers.

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During hot weather and vigorous exercise people sweat. as the water on their skin evaporate the water molecules absorb heat ener

Vedmedyk [2.9K]

The heat to evaporate the water in the sweat comes from the skin and provides a cooling effect. The body then does not overheat. hope it help

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3 years ago

Read 2 more answers

Please help!! I WILL GIVE BRAINLIEST !! Can you figure out the modern spreading rate of the Mid- Atlantic ridge? Use that line t

Naddik [55]

Answer:

R = 16mm/y

Explanation:

Modern Spreading Rate (R) = distance the seafloor moved in km (d) / age in million years (t)

R = d/t

To calculate it in millimeters per year we need to convert it:

The problem states that in 150 million years, there is a distance of 2400 km.

if 1 km ------- 1,000,000 mm

2400 km-------X = 2400,000,000 mm

If 1 million years -------1,000,000 years

150 my----X = 150,000,000 years

R = d/t

R = 2400,000,000 mm/150,000,000 y.

R = 16mm/y

6 0

2 years ago

Which diagram shows how much energy is used in each trophic level of a system

Blizzard [7]

Answer:

energy pyramid

Explanation:

An energy pyramid is a diagram that compares the energy used by producers, primary consumers, and other trophic levels. In other words, an energy pyramid shows how much energy is available at each trophic level. Energy is lost at each trophic level of a food chain.

8 0

3 years ago

The immune response is a dynamic process that initiates with an antigen-independent response, which becomes more focused and pow

prisoha [69]

<h2>False </h2>

Explanation:

The immune system develops integrated innate and adaptive modules that are pathogen type-specific and no single response can effectively control all types of pathogens

Both innate and adaptive immune system operate in cooperative and interdependent ways

Innate immune system is present since birth in an organism and is non specific in nature which means acts against all foreign antigens and molecules and provides first line of defense against pathogens

Adaptive immunity system is the acquired one which is capable of recognizing and selectively eliminating specific foreign antigens and is antigen specific which means can discriminate among different antigens; also has the ability to respond to various kinds of epitopes of pathogens

6 0

3 years ago

What is the most in danger from the effects of overfishing?

Dennis_Churaev [7]

Answer:

What is the most in danger from the effects of overfishing?

Animals that are normally eaten by fish.

Explanation:

There will be distruption of the food chain as the feeding pattern of those that feeds on fish changes as a result of scarcity of fish in the ocean due to overfishing which poses a danger

8 0

3 years ago