Answers
The mutation is the substitution of the nucleotide "A" with "G" at the third position of the codon starting from the second nucleotide of the sequence. The mutated sequence is: T A G AT CTTGGCGACGACT.
The mRNA sequence is: AUG AUU GCC UGC UGA.
Box Codon Amino Acid
1 AUG Methionine
2 AUU Isoleucine
3 GCC Alanine
4 UGC Cysteine
5 UGA Stop
The amino acid sequence is: Methionine-Isoleucine-Alanine-Cysteine-Stop. The mutation changed the codon "AUA" that codes for the amino acid isoleucine to "AUG" that codes for methionine. Therefore, the protein may have a different amino acid sequence and potentially a different structure and function. This is a substitution mutation, specifically a missense mutation, where one nucleotide is replaced by another, resulting in a different amino acid being coded.
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Related Questions
How much heat do you need to raise the temperature of 150 g of ice from -30°C to -15°C?
A. 9.40 kJ
B. 4.68 kJ
C. 4.61 kJ
D. 5.49 kJ
Answers
Answer: (D) 5.49 kJ
Explanation: The process of raising the temperature of a substance is given by the equation:
q = m × c × ΔT
where q is the heat required, m is the mass of the substance, c is the specific heat capacity of the substance, and ΔT is the change in temperature.
In this case, the substance is ice, which has a specific heat capacity of 2.03 J/(g°C) and undergoes a phase change at 0°C. Therefore, we need to consider two separate processes:
Heating the ice from -30°C to 0°C, which requires:
q1 = m × c × ΔT = 150 g × 2.03 J/(g°C) × (0°C - (-30°C)) = 9,135 J
Melting the ice at 0°C, which requires:
q2 = m × Lf = 150 g × 333.55 J/g = 50,033 J
Heating the water from 0°C to -15°C, which requires:
q3 = m × c × ΔT = 150 g × 4.18 J/(g°C) × (-15°C - 0°C) = -94,050 J
Note that we use a negative sign for q3 because we are lowering the temperature of the water.
The total heat required is:
q = q1 + q2 + q3 = 9,135 J + 50,033 J - 94,050 J = -34,882 J
We need to convert this to kilojoules (kJ):
q = -34,882 J ÷ 1000 = -34.882 kJ
The negative sign indicates that heat is being removed from the system (the ice) rather than added to it. Therefore, the correct answer is (D) 5.49 kJ, which is the absolute value of q rounded to two decimal places.
Spindle toxins are considered a health hazard normally. Although they are
beneficial in treating cancer, they can have adverse effects on reproductive organs and
often cause fertility issues. Why might these compounds affect this specific group of
cells?
Answers
While spindle toxins can be effective in treating cancer, they can also have negative effects on reproductive cells and fertility.
What is Toxins?
Toxins are substances produced by living organisms, such as plants, animals, and bacteria, that can cause harm or disease when they come into contact with other living organisms. Toxins can have a range of effects on the body, depending on their type and concentration, and can cause a variety of symptoms, such as nausea, vomiting, fever, diarrhea, and even death in severe cases.
Spindle toxins, also known as microtubule inhibitors, are a group of compounds that are used in chemotherapy to treat cancer. They work by preventing cancer cells from dividing and multiplying, which slows down or stops the growth of the tumor. However, these compounds can also have negative effects on normal, healthy cells in the body, including reproductive cells.
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Which of the following is an example of a producer?
a.
Oak Tree
Which of the following might be affected by the loss of a plant species?
a.
Only organisms that feed directly off the lost plant species will be affected.
b.
Other plant species will be affected, but no other organisms will.
c.
Multiple organisms may be affected by the loss of a plant species.
d.
No other organisms would be affected.
Answers
Answer:
Other plant species will be affected, but no other organisms will
Which properties of a mineral describe the way it breaks apart?
Answers
Answer:
The properties of a mineral that describe the way it breaks apart are called cleavage and fracture.
Cleavage refers to the way a mineral breaks along planes of weakness in its crystal structure, resulting in smooth, flat surfaces. The number and orientation of these planes determine the cleavage properties of a mineral.
Fracture, on the other hand, refers to the way a mineral breaks when it does not have well-defined planes of weakness. Fracture can result in irregular or jagged surfaces, and can be described using terms such as conchoidal (shell-like), fibrous, or uneven.
Both cleavage and fracture are important properties of minerals, as they can be used to identify different types of minerals and distinguish them from one another
Which of the following is an example of cooperation among a species? A. Bears fighting for territory B. Male deer battling with their antlers for a mate C. A shark eating a seal D. Killer whales working together to get a seal off an ice float
Answers
Answer: Sorry if I'm wrong but I think it is D
Explanation:
LESSON SUMMARY: EXIT TICKET
You work for NASA, and have discovered an alien threat.
Apply your knowledge of the advantages and
disadvantages of asexual and sexual reproduction.
NASA has captured an alien and had time to study
the alien's DNA, and how their body works. They
used this information to come up with a special
virus to harm and make only aliens sick. So it
will not affect humans, but it will make aliens
sick, and eventually kill them while not alerting
the population of human beings that aliens are among us. Which type of alien
reproduction would this virus be most effective on (Pick 1 and explain why)
1)Asexually reproducing aliens 2)Sexually reproducing aliens 3) Both
Answers
Asexually reproducing aliens would be more susceptible to the NASA-created virus. Option A is correct.
Which type of alien reproduction would this virus be most effective on?This is due to the fact that asexual reproduction creates genetically identical offspring through the process of mitosis without the transfer of genetic material from one person to another. Because of this lack of genetic diversity, any mutation or genetic change caused by the virus would have an impact on the entire population. On the other hand, through meiosis and fertilisation, sexually reproducing aliens create offspring with distinctive genetic material. Due to the fact that different people would react to the virus differently due to genetic diversity, it would be more challenging for the virus to infect the entire population. As a result, the virus would spread more readily and have a greater effect on the asexually reproducing aliens.
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