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Rudik [331]
3 years ago
6

THIS IS WORTH 100 POINTS PLS ANSWER IT IF IT IS TAKEN DOWN MESSAGE IT TO ME!!! THIS IS FOR SCIENCE BTW

Biology
1 answer:
larisa86 [58]3 years ago
6 0

Explanation:

"Enzymes are like scissors , cutting up food to get absorbed into the body"

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Igneous rocks and metamorphic rocks derived from igneous "parents" make up what percentage of the Earth's crust?
denis23 [38]

Answer: 95% of the earth crust

Explanation:Igneous rock make up about 95% of the earth crust. Igneous rocks are formed from solidified molten magma within the earth crust(intrusive) or outside the earth surface (extrusive).

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What is the Toni city of the beaker to the left?
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The nurse is using cognitive therapy with a client who visits the mental health center. the nurse should explain to the client t
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A squirrel and an oak tree are both examples of individual?
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<span>A squirrel and an oak tree are both examples of individual organisms</span>

Hope I Helped You!!! :-)

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3 years ago
At a basic level mitosis and meiosis are similar processes. However, they have very different outcomes. Which of the following s
Dafna1 [17]

Answer: C. Homologous chromosomes are separated in meiosis but not in mitosis.

Explanation: There are two main types of division that take place in eukaryotic cells, mitosis, and meiosis. Mitosis is the type of division that is used for growth, repair, and replacement of tissues. Therefore it is not necessary that the cells have  different chromosome numbers or are varied genetically in the daughter cells in the case of mitosis.

Meiosis is the division that takes place to form the gametes for sexual reproduction. It is important in the first stages of meiosis I, to introduce variation and to halve the chromosome number.

Chromosomes numbers are halved (from 46 to 23) during meiosis I because the gametes (sperm and egg) come together and fuse during fertilization to form a zygote. When this fusion occurs (23 from the zygote and 23 from the egg), the chromosome number needs to be returned to that of the parent cell (46).

<h2>Genetic variation is introduced during synapsis which only occurs in meiosis, not mitosis. Homologs exchange genetic information during crossing over of synapsis. Entire chromosomes also separate during meiosis I. </h2>

At the end of meiosis, four genetically unique cells are  produced with half the number of chromosomes as the parent cell (23 cromosomes) . After the process of mitosis is completed, two cells genetically identical to each pther are produced and have the same number of chromosomes as the parent cell (46 cromosomes).

Genetic variation is actually important because of changing environmental conditions.

6 0
3 years ago
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