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TEA [102]
3 years ago
13

The plant cells that contains chlorophyll?​

Biology
1 answer:
galina1969 [7]3 years ago
7 0
Chloroplast contains chlorophyll
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Bottle effect

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Explanation:

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The organism shown in the drawing usually reproduces through the _________ process called binary fission.
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Briefly explain how down syndrome results from meiosis​
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In translocation, a piece of chromosome or a whole chromosome breaks off during meiosis and attaches itself to another chromosome. The presence of an extra part of the number 21 chromosome causes the features of Down syndrome.

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3 years ago
How does the diameter of each ripple change as time passes
VLD [36.1K]

The diameter of the ripple changes by the following equation = \frac{dA}{dt} = \frac{\pi }{2} D . \frac{d(D)}{dt}<u></u>

<u>Explanation:</u>

When a pebble or a rock is dropped in the water then the ripples or waves are formed which starts moving radially outward. As the time passes, the radius of the circle increases.

Let D be the diameter of the circle.

\frac{dD}{dt} will be the rate of change of diameter of the circle with respect to time.

Let A be the area of the circle.

\frac{dA}{dt} will be the rate of change of area of the circle with respect to time.

Area of the circle = \frac{\pi }{4} D^{2}

So,

\frac{dA}{dt} = \frac{d [\frac{\pi }{4}  D^{2}] }{dt}

\frac{dA}{dt} = \frac{\pi }{4} \frac{d[ D(t)^{2}] }{dt}

<u>Using chain rule,</u>

\frac{dA}{dt} = \frac{\pi }{4}  X  \frac{d[D(t)^{2} ]}{d[D(t)]}   X  \frac{d[D(t)]}{dt}

\frac{dA}{dt} = \frac{\pi }{4}  . 2D(t) . \frac{dD}{dt}

\frac{dA}{dt} = \frac{\pi }{2} X D(t) X \frac{d(D)}{dt}

\frac{dA}{dt} = \frac{\pi }{2} D . \frac{d(D)}{dt}

Thus, the following equation determines the change in area in terms of diameter with respect to time :  \frac{dA}{dt} = \frac{\pi }{2} D . \frac{d(D)}{dt}

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3 years ago
What is the biggest problem with selecting a site for a reserve? (A) Making a proper selection is difficult because currently th
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(D) Most of the best sites are inaccessible by land transportation, so making roads to them is often prohibitively expensive.

<h3>What is a Reserve?</h3>

A nature reserve, also referred to as a wildlife refuge, a wildlife sanctuary, a biosphere reserve or bioreserve, a natural or nature preserve, or a nature conservation area, is a protected area that is important for its flora, fauna, or features of geological or other special interest. It is reserved and managed for conservation efforts as well as to offer unique opportunities for study and research.

In some nations, government agencies may designate them, as well as private landowners like charities and research facilities. Depending on the level of protection provided by local regulations, nature reserves are classified into various IUCN categories. It is typically subject to stricter protection than a natural park. In laws and official documents, different jurisdictions may use different wording, such as ecological protection area or private protected area.

Learn more about Biodiversity with the help of the given link:

brainly.com/question/27438508

#SPJ4

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