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laila [671]
3 years ago
8

A subway system for a large city owns 40 subway trains that run on five different colored routes. What difference will it make t

o the system as a whole if a train breaks down blocking the yellow line route near Downtown and East Side
Biology
1 answer:
ELEN [110]3 years ago
7 0

Answer: D.  Everyone whose train connects with the yellow route may be affected.

Explanation: Having only one out of 40 trains malfunction seems like a small change in the overall system. However, this small change has large effects on the system as a whole.  Many people ride trains that connect to the yellow line. Many people will be stranded at these stations, and some people may try to take different trains than usual in order to get to their destination.

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QUESTION 1 (5 marks) A molecule of messenger RNA (mRNA) has just been synthesized and processed in the nucleus of human cell wit
Dmitry [639]

1) DNA Template strand: TACAATCGACCCATC. 2) Anticodon: AAU. 3) mRNA carries genetic information to build the protein. 4) 5 amino acids. 5) Amino acids: Met, Leu, Ala, Gly, Tyr.

1)

<h3>What is the template strand?</h3>

When the DNI molecule separates into two strands to form the transcription bubble, we can identify two separate segments:

  • The coding strand that goes in 5' to 3' direction
  • The complementary strand -template strand- that grows in 3' to 5' direction .

The template strand is the one that is going to be complemented by the mRNA.

mRNA ⇒ AUGUUAGCUGGGUAG

  DNA ⇒ TACAATCGACCCATC

Remember that pairs are as follows

<u>DNA    RNA</u>

T     →    A

A     →    U

G     →    C

<u>C     →    G   </u>

2)

<h3>What is an anticodon?</h3>

The anticodon is the sequence of three nucleotides that couples with the mRNA codon.

Each tRNA has two important sites. One of them is the anticodon that couples with the codon of the mRNA molecule. The other one carries the amino acid that is going to be addeded to the protein.

                              1st      2nd     3th     4th   5th

mRNA codons ⇒ AUG   UUA   GCU  GGG  UAG

tRNA anticodon ⇒         AAU

3)

<h3>What is translation?</h3>

Translation is the stage of protein synthesis during which mRNA carries genetic information needed to synthesize the new protein in the cytoplasm.

Steps,

1- The formed mRNA moves to the cytoplasm through the nucleus membrane pores.

2- Once in the cytoplasm, mRNA meets a ribosome, the primary structure for protein synthesis.

3- Ribosomes are organelles composed of the association of proteins with rRNA and tRNA. They can be found in the rough endoplasmic reticulum or floating in the cytosol.

4- While the ribosome reads mRNA strain from its 5' extreme to 3', tRNA adds the correct amino acids to build the polypeptide.

The function of mRNA during translation is to take genetic information needed to build the protein.

4)

<h3>How many amino acids are determined per codon?</h3>

Each codon codes for only one amino acid.

There are cases in which different codons code for the same amino acid, but a single codon always codes for one amino acid.

mRNA codons ⇒ AUG   UUA   GCU  GGG  UAG

Amino acids     ⇒ Met    Leu     Ala     Gly    Tyr

                                 1        2         3        4        5

This mRNA segment represents 5 amino acids.

5)

Amino acids     ⇒ Met    Leu     Ala     Gly    Tyr

You can learn more about translation at

brainly.com/question/16305501

brainly.com/question/25017567

#SPJ1

3 0
1 year ago
Mendel also wondered if the inheritance of one trait affected the inheritance
svet-max [94.6K]

Answer:

A. dihybrid crosses

Explanation:

A dihybrid cross can be defined as a mating experiment between two lines/varieties/organisms that differ in two phenotypic traits. By using pea plants, Mendel performed dihybrid crosses in order to analyze the mode of inheritance of both phenotypic traits at the same time. From these mating experiments, Mendel observed that the inheritance factors (nowadays called genes) sorted independently from one another in the next generation, which is called the principle/law of Independent Assortment.

8 0
2 years ago
In contrast to environmentalists' proposals to limit emissions of certain pollutants, the administration proposed calling for ma
sammy [17]

 

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7 0
3 years ago
Read 2 more answers
The drug vinblastine disrupts microtubule polymerization. How would adding vinblastine to a cell affect the constitutive secreto
Kazeer [188]

Answer:

Transport vesicles will not be brought to either the Golgi apparatus or the plasma membrane.

Explanation:

Microtubules forms part of the structure of the cytoskeleton. It is a polymer of tubulins.

Apart from maintaining the cell structure, cytoskeleton plays a role in transportation in a cell.

A Constructive secretory pathway is an exocytosis process found in all eukaryotic cells, in which transport vesicles destined for the plasma membrane leave the trans-Golgi network in a steady stream

A disruption on microtubules will lead to a change in structure of the cytoplasm. It will not be able to perform its function therefore transport vesicles will not be brought to either the plasma membrane or the golgi apparatus.

8 0
3 years ago
Which type of climate do sahara and kalahari desert have?
gavmur [86]
For the sahara desert highest has been 136.4 degrees and it can getvery low at night even way under 30 degrees

3 0
3 years ago
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