The average molecular weight of proteins encoded in the human genome is about 50,000. A few proteins are very much larger than this average. For example, the protein called titin, which is made by muscle cells, has a molecular weight of 3,000,000. Estimate how long it will take a muscle cell to translate an mRNA coding for an average protein and one coding for titin. The average molecular mass of amino acids is about 110 daltons. Assume that the translation rate is two amino acids per second.

Answers

Answer 1

Answer:

Answer:

13,636 seconds = 227.3 minutes = 3.79 hours

Explanation:

The titin protein has a molecular weight of 3,000,000 daltons, while the average molecular mass of one amino acid is 110 daltons, so it is expected that this protein is composed of 27,273 amino acids (3,000,000 daltons/110 daltons = 27,272.72). Moreover, and since the translation rate is two amino acids per sec, it is expected that the protein will be synthesized in approximately 3.79 hours (27,272.72/2 = 13,636 seconds = 227.3 minutes = 3.79 hours).

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Which of the following types of cells can directly kill cells and secretes a chemical known as perforin which accomplishes the killing by producing pore-like openings in the membranes of cells?a. Cytotoxic T cells
b. Helper T cells
c. Antibodies
d. Natural killer cells

Answers

Answer:

Cytotoxic T cells

Explanation:

Perforin is the cytosolic protein and upon degranulation forms pores in the target cell. Perforin protein helps in the transport of water and ions.

Perforin is present in the granules of cytotoxic T cells. These cells have the ability to kill virus infected cells and cancer cells. Cytotoxic T cells bind with the class 1 MHC molecules. These cells are also known as CD8+ T cells.

Thus, the correct answer is option (A).

A chemical reaction occurs. Which of the following would indicate that energy is transformed during the reaction? A. light is produced B. heat is produced C. an electrical charge is produced D. all of these

Answers

Answer:

D, All of the above

Explanation:

Answer:

i think its B.

B.B.B..B.B.B.B.B.B.B.B.

Discuss corporate culture and the hidden corporate culture and the humanization of the work place.

Answers

Explanation:

Corporate Culture- The values, norms, and other orientation that characterizes corporate work settings.

Hidden Corporate Culture- Stereotypes of the traits that make for high-performing and underperforming workers

Is a fox is a herbivore, carnivore,omnivore?

Answers

The answer is omnivores.

A fox is an omnivore meaning they eat both meat and vegetation.

Hope this helps you! (:
-Hamilton1757

Describe the invasion of wild parsnip, including the harm it causes

Answers

Answer:

poisonus

Explanation:

Answer:

came from Europe and Asia

invaded the entire state of Wisconsin

can burn your skin

reproduces rapidly

can be removed at root or with a powered brush cutter for large populations

Explanation:

Sorry that it is late, but this is the Edge version.

How long does nuclear waste need to be safely stored until it’s no longer hazardous

Answers

Nuclear waste:

Atomic waste is one of the most troublesome sorts of waste to oversee on the grounds that it is profoundly dangerous. As indicated by the U.S. Ecological Protection Agency (EPA), atomic waste is arranged into six general classes.

[1-2] These incorporate (1) spent atomic fuel from atomic reactors, (2) uranium factory tailings from mining and processing of uranium mineral, (3) significant level waste from spent atomic fuel reprocessing, (4) low-level waste, (5) transuranic waste from guard projects, and (6) normally happening and quickening agent created radioactive materials.

The well-being concerns and security issues related with atomic waste present significant limitations on the far reaching utilization of atomic vitality. Because of its b and exceptionally perilous properties, atomic waste is required to be deliberately put away or reprocessed. The putting away and reprocessing are additionally convoluted by the long half existence of the radioactive materials in the atomic waste.

For instance, a portion of the segments can remain half of their hazardous levels even one million years after the fact after generation.

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Which is a disaccharide? 1. glucose 2. fructose 3. sucrose 4. cellulose

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(GIVING BRAINLIEST AND EXTRA POINTS!!)Edwin wrote the following notes about static electricity. When an uncharged object is placed close to a charged object, the objects can attract or repel each other. When two electrically charged objects are placed next to one another, the objects can also attract or repel. What statement will correct the error in Edwin's notes?A) An electrically charged object needs to touch an uncharged object before they attract or repel.B) When an electrically charged object comes close to an uncharged object, it will attract it.C) If an electrically charged object is near an uncharged object, it will repel it.D) When two electrically charged objects are placed close together, they only attract.

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