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2 years ago

What happens during fertilization that makes the offspring unique from the original cells?

Physics

2 answers:

Talja [164]2 years ago

6 0

Answer:

The union of an egg and sperm forming a zygote is known in biology as fertilization, during this process the zygote becomes a morula, meaning that the female reproductive cell divides after that union generating many other cells together into a solid ball of cells, giving rise to the embryo with the potential for development, fostered by chemical reactions among the sperm enzymes and the egg's plasma; mitosis and meiosis are included throughout the whole process.

Explanation:

adoni [48]2 years ago

4 0

Meiosis and Mitosis is correct

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Two hockey players , big Jim and little Tim collide head on and get tangled while going for the puck 65kg time was traveling at

12345 [234]

I will assume that big Joe is big Jim. The equation for the momentum is p=m*v, where m is the mass of the body and v is the velocity. Big Joe has a mass m=105 kg and speed v=5.2 m/s. When we input the numbers:

p=105*5.2=546 kg*(m/s).

So big Joe's momentum before the collision is p=546 kg*(m/s).

7 0

2 years ago

A row of seats is parallel to a stage at a distance of 90 m from it. At the center and front of the stage is a diffraction horn

Serggg [28]

Answer:

distance between seats = 2*11.10 = 22.20 m

Explanation:

seats row is parallel to a stage with a distance d = 90 m

doorway width = 0.070 m

speaker frequency = 4.00 * 10^4 Hz

Speed of sound = 343 m/s

tone will be heard at

$sin \theta = \frac{\lambda}{D}$

we know that $v =\lambda d$

$sin\theta = \frac{v}{dD}$

$= \frac{343}{4.00 * 10^4*0.070}$

$sin\theta = 0.1225$

$\theta = 7.036 degree$

$tan\theta =\frac{x}{d}$

[tex]x = d*tan\theta = 90*0.1234 = 11.10 m

distance between seats = 2*11.10 = 22.20 m

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3 years ago

Which actions are evidence that a chemical reaction has occurred? Select five options. a change in color the formation of a prec

vladimir1956 [14]

Answer:

A change in color

The formation of a precipitate

A clear liquid becoming cloudy

The formation of bubbles

The formation of smoke

Explanation:

A chemical reaction can be defined as the conversion of reactant into product. The process in which one or more than one substance is converted into one or many different substances.

There are some indications which can provide the evidence that chemical reaction has occurred.

A change in color of the substance, formation or smoke or bubbles. The formation of the precipitate and in case the substance becomes cloudy.

All these evidences show that chemical reaction has occurred.

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3 years ago

In the covalent compound C3H6, the Greek preifx used to represent the cation is

gayaneshka [121]

What if when I find my product, I get the same compound as I did in my reactant? For example, FeCl3 + HCl ->FeCl3 + HCl. Then something is wrong. In this case, FeCl3 and HCl usually don't react. In very concentrated solutions of HCl, the FeCl4^- or FeCl6^-3 ion can form. In... There you go my friend

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3 years ago

What's needed to know

Diano4ka-milaya [45]

You're a little late. But if you want some short, quick rules, then these are
a couple that I would take in with me (stored only in my brain, of course):

-- If something is not accelerating or moving at all, then all the forces on it
must add up to zero. That could even mean a hanging rope.

-- In a vertical rope, the tension in it is the same everywhere in the rope.
The tension is the weight of whatever is hanging from the bottom.

That's really all I'm sure of, based on your hazy, fuzzy description of
what you've been doing in class. I don't want to get into things that
you might not have learned yet, and confuse you.

8 0

3 years ago

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