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Thepotemich [5.8K]
3 years ago
13

HOLIDAY POINTS! HAVE A GREAT MONTH

Biology
2 answers:
Kaylis [27]3 years ago
8 0

Answer:

thank you so much have a great day

Mrac [35]3 years ago
5 0

Answer:

Fish. Dish Cheka veal eavhiea. Owen irajaef

Explanation:

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During meiosis, chromosome pairs randomly kind up along each side of the cell equator this arrangement mixes up the chromosomal
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Increases genetic variation of the offspring.
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4 years ago
which is not a characteristic of bacteria? select one of the options below as your answer:a. they are unicellular.b. they are pr
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Bacteria does not contain membrane boung organelles therefore are prokaryotic and I also know they are unicellular. and they are definitely not multicellular so the answer is : c
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4 years ago
This type of membrane transport moves substances against the concentration gradient from an area of low concentration to an area
sashaice [31]

<u>Answer</u>:- Active transport

<u>Explanation</u>:-

There are two types of membrane transports

1. Passive transport - this type of transport occurs without the input of any energy and the molecules move along the concentration gradients that is from <em>high concetration to low concentration.</em>

2. Active transport- this type of transport takes place to move the molecules against the concentration gradient that is from <em>low concentration to high concentration.</em>

<em>The active transport is of two types:</em>

1. <em>Primary active transport-</em> in this type of transport <em>ATP</em> is used as an energy source to move the substances against the concentration gradient.

2.<em>Secondary active transport</em> - in this type of transport the gradient formed by the active transport is utilized and it involves the movement of 2 substances at a time aross the membrane. That is the movement of one molecule is coupled to another.


  • The membrane proteins that are associated with active transport are called as <em>carrier proteins</em>. These proteins have a binding site for the molecules that they transport. Once they bind to the specific molecules, a conformation change is induced and this leads to the transport of the molecule across the membrane.

So, the <em>active transport is basically responsible for utilizing the energy from ATP and carrier proteins to move the substances across the membrane against their concentration gradient i.e. from low concentration to high concentration.</em>

5 0
3 years ago
4. A wave traveling at 200 m/sec has a wavelength of 2 meters. What is the
dalvyx [7]

Given that,

The speed of a wave, v = 200 m/s

Wavelength, \lambda=2\ m

We need to find the frequency of this wave. The relation between wavelength, frequency and the speed is given by :

v=f\lambda\\\\f=\dfrac{v}{\lambda}\\\\f=\dfrac{200\ m/s}{2\ m}\\\\f=100\ Hz

So, the frequency of this wave is 100 Hz.

4 0
3 years ago
Wich of these is an enviromental change that occurs rapidly
kirill115 [55]

C. hurricane because all of the other options occur over the course of years

8 0
4 years ago
Read 2 more answers
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