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svetoff [14.1K]
3 years ago
12

During the process of cell division, both plant and animal cells A) develop a cell plate. B) develop a cleavage furrow. C) go th

rough a step called metaphase. D) go through telomeric interpretation.
Biology
1 answer:
soldi70 [24.7K]3 years ago
4 0

Answer:

C. Go through a step called metaphase.

Explanation:

In plant and animal cells metaphase is a step they both share.

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Because for the strands to form a double helix the base pairs have to match perfectly (adenine with thymine and cytosine with guanine) in DNA , and if a strand of RNA is paired with a split strand of DNA it goes adenine with uracil and cytosine with guanine (uracil replaces thymine)
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List 4 basic principles that the revised medical school curriculum was based upon
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Anatomy, Physiology are 2.
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Unlike record players which rotate at a constant angular velocity, the CD-ROM driver in a CD player rotates the CD at different
zimovet [89]

Answer:

A. 21 rad/s

B. 200.5 rpm

C. 26.46 rad/s2

D. 0.299 Hz

Explanation:

Parameters given are:

Tangential velocity,v = 1.26m/s

Diameter (outer edge) = 0.120m

Outer edge radius, ro = 0.12/2

= 0.06m

A. Calculate Angular velocity

Angular velocity, w = v/r

= v/ro

= 1.26/0.06 = 21 rad/s

In rpm,

2pi/60 rad/s = 1 rpm

1 rad/s = 60/2pi rpm

Sp, 21 rad/s = 60 * 21/2pi rpm

= 200.5 rpm

B. Calculate the inner edge radius, ri given w = 500 rpm

Converting rpm to rad/s,

= 2pi/60 * 500 rad/s

= 52.34 rad/s

ri = v/w

= 1.26/ 52.36

= 0.024m

C. Calculating centripetal acceleration, a from the outer edge, ro

a = v2/r = w2r

= (1.26)2/0.06

= 26.46 rad/s

D. Calculate the frequency, f of the outer edge angular velocity, w = 21 rad/s

f = 2pi/w

= 2pi/21

= 0.299 Hz (or per second)

5 0
3 years ago
Who are the producers in this food web? Check all that apply *
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Answer:

1.Sea urchins are powerful primary consumers in the kelp forest.  2. Kelp is the producer in the kelp forests. 3. Bat star are omnivores and scavengers and at the end of the food web are tertiary consumers. 4   Phytoplankton are primary producers. 5. Zooplankton is a primary consumer in the food web.

Explanation:

1.Sea urchins are powerful primary consumer in the kelp forest because they are needed to keep the kelp anchored to the bottom of the ocean and algae . 2. Kelp is the producer in the kelp forest kelp forests provides an ecosystem for many organisms from the sea floor to the surface and provides shelter for many forms of sea life.  3. As a scavenger bat star is important in the ecosystem helping clean dead animals,  and algae from the seafloor, the bat star keeps the seafloor healthy. 4. Phytoplankton are accounted for about half of photosynthesis on the planet, which makes them an important producer of oxygen, and serves as food source for smaller sea organisms, they consume carbon dioxide that would otherwise dissolve in the sea water making it more acidic. 5. Zooplankton are the animal like primary consumers of plankton community they also provide the base for the entire food web also if plankton disappeared it would increase the levels of carbon in our air.  

7 0
3 years ago
What are the problems and the challenges in classifying living things​
lakkis [162]

Answer:

below

Explanation:

there are so many different kinds of living things that its so difficult to classify them as there would be too many classifications that it would become absurd to have only a few organsims in a single group. the role of classification is to organize as well as simplify so it proves to be a challenge when the subgroups branching from eukoryotes vs prokaryotes become too small and therefore it becomes a giant mess.  even the current classification system (taxonomy) is flawed.

6 0
3 years ago
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