07/04/19

What's inside the perinuclear space?
The cell proper contains the cytoplasm in general and the cytosol in particular when referring to the fluid/gel without notable organelle.Once we move inside the nucleus there is the nucleoplasm... more
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07/04/19

Why do we measure eustatic sea-level from the center of earth?
Earth is rotating so it has a ellipsoidal shape. The measurement will therefore be different from equator and pole. So why do we measure eustatic sea-level from the center of earth?
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07/04/19

What do you see when your eyes are closed?
If you are in pitch black and you close your eyes, you sometimes can see strange shapes of various colors. A lot of the time these shapes and colors change as you observe them. This phenomenon... more
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07/03/19

What allowed the Himalaya to become so high?
Of course the mountains were caused by moving tectonic plates. But in case of the Himalaya mountains was the speed of the plates just higher so more energy got 'into' the mountains. Or was the... more
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07/03/19

Why don't cells of aquatic animals burst?
We know that if we keep plant cells in water, they don't burst because of a cell wall. But the cells of aquatic animals lack cell walls but they still survive. Why?
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07/01/19

Is it correct to consider the breaking down of water through the action of light the basis of photosynthesis?
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07/01/19

How many calories does it take to heat 10 grams of ice to 41 degrees C?
How many calories does it take to heat 10 grams of ice to 41 degrees C?
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06/28/19

someone please help me asap please i need by today

Enrollment in a dance studio has grown exponentially since the studio opened. Below is a graph depicting this growth. Determine the average rate of change from x = 0 to x = 8.An exponential graph... more
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06/28/19

Why are centrioles aligned at 90 degree with each other?
The centrioles are aligned at 90 degree with each other. What is the function of this?
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06/28/19

Moss Transportation System?
In my biology textbook, it says that mosses are avasculer and do not have xylem like spermatophytes. So by what means do mosses transport nutrients ?
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06/28/19

During the phase when the cell is not dividing (interphase), is there activity within the cell nucleus?
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06/27/19

What is oogenesis?
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06/27/19

Which organs are derived from the mesoderm?
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06/27/19

Which are the last cells of the human body to die?
When somebody dies, which are the last surviving cells of his/her body? Those of hair, nails, or some other obscure but resilient cells?Shedding light on why and how they are so vital might boost... more
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06/27/19

what is the 6th term in the geometric sequence whose first term is 3 and whose common ratio is -4
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06/26/19

Do transcription factors bind to both strands of DNA?
Do transcription factors (or generally proteins) bind to only single strand of DNA or both strands? Since it can have non covalent bonds to both strands in theory. I would like to know the... more
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06/25/19

What would be the consequences if there is no meiosis in organisms that reproduce sexually?
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06/24/19

Can 12 mitotic divisions produce 6000 nuclei?
The following quote is from "Principles of Development" by Tickle & Wolpert: "After fertilization and fusion of the sperm and egg nuclei, the zygote nucleus undergoes a series of rapid mitotic... more
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06/24/19

Are viruses alive?
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06/24/19

What advantage does an enzyme serve over catalysis by the addition of heat energy?
I understand that an enzyme lowers the activation energy, allowing the reaction to run faster, however I am not sure, how it may be favorable during the addition of heat energy. Wouldn't that lower... more
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06/24/19

Photosynthesis: What Powers the Splitting of Water?
The splitting of water is an endergonic (non-spontaneous) reaction, and thus would require energy (chemical work to be done) in order to happen.In Photosystem II, an enzyme catalyzes this... more
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06/24/19

Algebra 2 Function Operations

The domain for f(x) and g(x) is the set of all real numbers.Let f(x) = 2x2 + x − 3 and g(x) = x − 1.Find f(x) • g(x).
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06/24/19

Algebra 2 Function Operations

The domain for f(x) and g(x) is the set of all real numbers.Let f(x) = 2x2 + x − 3 and g(x) = x − 1.Find f(x) • g(x).
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06/24/19

Why are female clones more often produced?
As a student of biology when ever I come by artificial cloning, I always find examples of females being cloned - Dolly the sheep, CopyCat, Daisy, etc. The only male I could see was Fibro mouse and... more
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06/24/19

What makes an epoxide stable?
Overall ring strain seems to be a big issue when it comes to organic chemistry. That is why cyclopentane may be in an "envelope form" or why cyclobutane may be in a kinked, kite form. Both of these... more
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