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Mila [183]
3 years ago
12

**WILL MARK BRAINLIEST AND THANK YOU**

Biology
1 answer:
fredd [130]3 years ago
3 0

Vascular plants appered during the same perod as mammals

Explanation:

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What kind of intermolecular bonds exist between water molecules?
STALIN [3.7K]
Polar covalent bonds.
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8 0
3 years ago
Aaron may have a phobic disorder if he had his first panic attack on his first day at a new high school. Please select the best
stepladder [879]

Answer:

False

Explanation:

Edgny 2021

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3 years ago
Which words or phrases describe some advantages of nonrenewable resources? Check all that apply.
Zigmanuir [339]

Answer:

easy to produce, affordable, abundant​

Explanation:

A non-renewable resource is defined as the natural resources which are not ereadily replaced through natural means and it takes thousands of years for their renewal. Example of non-renewable resource include Fossil fuels such as natural gas, oil and coal.

<u>There are many advantages of non-renewable resources such as:</u>

1) Easy to produce: non-renewable resources are easy to produce because processing stations can be easily developed for refinement and distillation of non-renewable resources.

2) Affordable and abundant: non-renewable resources are affordable and abundant in the earth. for example diesel and oil are good choices for powering vehicles.

Hence, the correct options are easy to produce, affordable, abundant​.

7 0
3 years ago
Read 2 more answers
Why would the cell theory change over time?
alexandr402 [8]

Answer:

The invention of the microscope led to the discovery of the cell by Hooke. While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the classical cell theory.

Explanation:

hope this helped you sorry if it did not

7 0
2 years ago
Need a hypothesis for “How are proteins built from RNA”
Dima020 [189]

Hi!


Hypothesis:

<em>Proteins are built from the translation of messenger RNA (mRNA) molecules</em>


RNA, or ribonucleic acid, is a structure that is similar to DNA, except that it exists as a single strand, consists of a ribose sugar instead of a deoxyribose sugar and has the base uracil (U) instead of thyamine (T).


<h3><u>From DNA to RNA</u></h3>

RNA is generated through transcription of the DNA molecule, resulting in a <em>complementary </em>molecule of the template DNA strand. For instance, if the sequence of the DNA was:

ATGCGCAGTTATTGCGAT

The corresponding RNA sequence will be:

UACGCGUCAAUAACGCUA    <em>(complementary with U instead of T)</em>


<h3><u>From RNA to Protein</u></h3>

The RNA molecule in our case is known as the mRNA. After transcription the mRNA molecule is transported to the cytoplasm, where a ribosome binds to it for another molecule to translate the sequence. This translation is mediated by an RNA molecule known as the tRNA molecule which enters the ribosome to catalyze the reaction.

These molecules identify a sequence of 3 bases (codon) and for specific codon sequences, the tRNA allocates specific amino acid. For instance, for the codon <em>UCA</em>, the tRNA will allocate a <em>Serine residue.</em>

This translation process starts at specific three base sequences, known as start codons, and terminates at specific three base sequences known as stop codons.

In this manner, a sequence of amino acids respective to the mRNA codon sequence is synthesized, and as we identify proteins as chains of amino acids that are covalently linked together through peptide bonds, we can clearly see that proteins are built directly from RNA, and indirectly from DNA.


Hope this helps!


3 0
3 years ago
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