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mr Goodwill [35]
3 years ago
5

Name the three types of RNA & list their roles in making proteins

Biology
1 answer:
lidiya [134]3 years ago
8 0
<span>tRNA - Transfer RNA: Brings amino acids to ribosomes during translation.
rRNA - Ribosomal RNA: With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.
<span>snRNA - Small nuclear RNA: With proteins, forms complexes that are used in RNA processing in Eukaryotas. (Not found in prokaryotes.)</span></span>
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According to the nebular theory stars are formed in which sequence
tatiyna
<span>According to the nebular theory stars are formed in which sequence: 
a. Interstellar clouds - "nebula" is a Latin word which means clouds. These clouds start to form and are composed of gases like hydrogen and helium. 

b.Clumps - as the gases start to form and come together they form clumps of gases that are highly concentrated and they start to grow.

c. Gravitational forces - when clumps have grown into big sizes the gravitational forces that are found within it increases and are converted into kinetic energy of fast-moving particles that continuously bump into each other and create or generate heat. 
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d. Nuclear fission - as the clumps keep on colliding and creating heat (18 million degrees Fahrenheit), nuclear fission begins. 

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3 years ago
I’m not sure what it means for the cell membrane to be semi-permeable
Lesechka [4]

Answer:

It means that the cell membrane allows certain substances to pass through and not others. As the cell membrane consists of a phospholipid bilayer with a hydrophobic core, only small uncharged hydrophobic molecules can pass through the cell membrane e.g. glucocorticoid and other larger charged particles require transporters or channel proteins to pass through the cell membrane, e.g. glucose.

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3 years ago
How do dna molecules vary from one species to another?
Andru [333]
<span>Organisms all possess DNA as their genetic material. What differentiates them (and their DNA) is the sequence of base-pairs within the DNA. The base-pairs are actually specific sequences of nucleotides (i.e. adenine , thymine, guanine and cytosine, labelled A, T, G, and C respectively) which encode genes. In other words, the DNA in each organism is made of these bases, but their sequences differ from organism to organism.</span>
3 0
3 years ago
What can you infer from the fact that there is the same amount of water on the plant
Alexeev081 [22]
It’s B) because there will probably be the same amount of water on the planet a billion years from now.
6 0
3 years ago
1
yawa3891 [41]

<u><em>NOTE: MODERATORS, KINDLY SCROLL AWAY! THIS IS AN ACADEMIC, BIOLOGICAL USE OF THE CENSORED WORD. </em></u>

Answer:

Females have two of the same kind of s3x chromosome (XX), and are called the homogametic s3x. Males have two different kinds of s3x chromosomes (XY), and are called the heterogametic s3x.

Explanation:

You can tell the cell was taken by a man and not from a woman because it has XY chromosomes

Hope this helps!

- profparis

3 0
2 years ago
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