3 years ago

Large numbers of ribosomes are present in cells that specialize in producing which molecules?

Physics

1 answer:

Fed [463]3 years ago

7 0

Answer:

Protein molecules

Explanation:

Ribosomes are the cell organelles that are responsible for the synthesis of protein in the cell. Proteins are the fundamental building blocks and help in repair and damage of cell in the body.

Ribosome is a complex which is made up of protein and RNA. Ribosomes can be found floating within the cytoplasm or attached to the endoplasmic reticulum.

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A planet has been observed orbiting a nearby star. This star has a mass of 3.5 solar masses, and the planet is 4.2 AU from the s

kondaur [170]

Answer:

4.6 years

Explanation:

This is solved using Kepler's third law which says:

$T^2=\frac{4\pi ^2}{GM} a^2$

Where

T = Orbital period of the planet (in seconds)

a = Distance from the star (in meters)

G = Gravitational constant

M = Mass of the parent star (in kg)

From the information given

$M = 3.5M_{sun} = 6.96*10^{30} kg$

$a=4.2AU = 6.28*10^{11} meters$

$G = 6.67*10^{-11}m^3kg^{-1}s^{-2}$

We put this into Kepler's law and get:

$T=\sqrt{\frac{4\pi ^2}{6.67*10^{-11}*6.96*10^{30}} (6.28*10^{11})^3}=145,128,196 seconds.$

This when converted to years is 4.6 years.

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WILL MARK BRAINLIEST!!!!

zloy xaker [14]

Answer:

Wave model

Explanation:

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Which situation describes a system with decreasing gravitational potential energy?

lord [1]

Answer: a boy jumping down

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A white dwarf is not continuing in nuclear fusion, yet it still shines brightly for thousands of years because...

Afina-wow [57]

Explanation:

Understanding that stars are naturally quite hot, imagine I pulled a piece of hot iron from a furnace. It would glow a bright red, and then slowly fade to black as the iron cools.

White dwarfs glow for the same reason - they are HOT!

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3 years ago

At temperatures above roughly 800 °c, calcium carbonate will decompose. write and balance the equation for this reaction. phase

Lady_Fox [76]

CaCO3 ----> CaO + CO2

hope it helps!

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