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3 years ago

Compare homologous and analogous structures

Biology

1 answer:

olga55 [171]3 years ago

6 0

Answer:

Homologous structures can be described as the structures which are similar to one another present in different organisms. These similarities depict that the organisms might have a common ancestor i the past. For example, the forelimb of man, birds, dogs.

Analogous structures can be described as structures in different organisms which perform the same function but might not have a common origin. For example, the wings of bats and birds.

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True or false: The energy contained in the food we eat directly powers all of our cellular activities. If false, please make it

Gwar [14]

Answer:

False

"The energy contained in the food we eat is used to synthesize the energy that directly powers all of our cellular activities".

Explanation:

The food we eat undoubtedly contains energy. This energy is stored in the bonds of the molecules that make up the food. However, the food undergoes the process of digestion to yield glucose (a sugar). This glucose sugar is used in the process of CELLULAR RESPIRATION to synthesize a form of chemical energy usable by cells called ATP.

ATP or Adenosine triphosphate is a molecule that stores chemical energy in living cells. It is the molecule that directly powers all of our cellular activities. Hence, the statement in this question is FALSE. The correct statement should be "The energy contained in the food we eat is used to synthesize the energy that directly powers all of our cellular activities".

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2 years ago

A sequence of organisms through which energy is transferred, beginning with the primary producer, is a _____.

algol [13]

<span>A sequence of organisms through which energy is transferred, beginning with the primary producer, is a "Food Chain"

Hope this helps!</span>

8 0

3 years ago

Read 2 more answers

In Jurassic Park, dinosaurs were created from dinosaur DNA extracted from fossils. Do you think this is science friction or is i

exis [7]

I think it might be possible because they took the nucleus from a sheep and put it inside a sheep embryo and it made an exact clone of the sheep.If they could make a nucleus that could handle the DNA of the dinosaurs and have the nucleus function properly and have the embryo grow properly then it might be possible for them to create dinosaurs.

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3 years ago

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The sympathetic chain ganglia are a series of clusters of neuron cell bodies linked by bridges of ________

BabaBlast [244]

Answer:

b. axons

Explanation:

The Peripheral Nervous System consists of nerves and ganglia. Nerves are nothing more than bundles of parallelly arranged nerve fibers surrounded by connective tissue. Each of these fibers is formed by an axon and the sheaths surrounding it. The ganglia, in turn, are accumulations of neurons, which usually form spherical structures, are located outside the central nervous system and are also linked by axons bridges.

5 0

3 years ago

When you exercise you generate excess heat and your body temperature rises. blood vessels dilate in the skin, warm blood flows c

zalisa [80]

Answer:

The correct answer is negative feedback.

Explanation:

Negative feedback is considered the mechanism that frequently regulates biological reactions in the body. Negative feedback helps reduce the stimulation of some processes, such as controlling the temperature.

It can be seen that negative feedback works by redirecting some processes that go to one point directs a degree of that process to a different location.

In this case, on the temperature, the feedback is responsible for putting the system to work from the moment it starts to sweat using the different processes to regulate the temperature. This process uses help from enzymes and body pathways.

<em>I hope this information can help you. </em>

3 0

3 years ago