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Reptile [31]
3 years ago
6

human heart cells require a constant release of energy to function continuously. which structure would be a numerous in such cel

ls to meet this demand?
Biology
2 answers:
Tomtit [17]3 years ago
6 0

The Mitochondria.

<u>Muscle cells have numerous mitochondria, more than other types of cells, so that they can quickly and forcefully respond to the body's constant need for various types of movement.</u>

egoroff_w [7]3 years ago
5 0

Answer: Mitochondria

Explanation:

The heart muscles require energy to work. The energy that is required by the body to perform various functions is fulfilled by adenosine triphosphate.

The production of adenosine triphosphate takes place in the mitochondria. It is the site where the conversion of glucose into high energy molecules takes place.

The region of the body that requires more energy has more mitochondria.So, if the heart needs energy it will require more mitochondria.

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(You will find the cladogram in the attaches files)

Answer:

C. The genomes of species C and D are nearly identical because neither species has a derived character.  

Explanation:

A Cladogram is a<em> tree-type graph</em> based on <em>cladistic analysis</em>. It represents the common ancestral relationships among the involved groups.

  • The tree-type graph is a ramified diagram that represents the relationship between the involved taxa.
  • The cladistic analysis follows the maximum parsimony criterium. Explains the character state from the point of view of the fewest changes through history. Explains evolution with the minimal amount of evolutive changes. It recognizes the monophyletic groups as natural groups. These groups are the clades, and their classification -<em>sequencing</em>- represents their phylogeny.
  • The<em> sequencing</em> term refers to lists of groups according to their relation. One group is the brother-group of the following one.

So the cladogram represents the relationship between groups according to a derived character.

The derivated character is any trait that a group passes to the descendants. Through evolution, the characters change, and new changes are added. When referring to a derivate character, we mean that all the subsequent species in the cladogram carry the trait.

A cladogram provides an image of how new species keep characters that were inherited from older species.  

So, in the exposed example, the five dots represent derived characters, representing traits 1 to 5. Branches A to F, represent groups. (See the cladogram in the attached files). Group A inherited trait 1, group B probably still carries trait 1, but also trait 2. Groups C and D equally inherited trait 3. Group E inherited character 4, and finally, group F inherited character 5.

Groups C and D inherited trait 3 and probably also still have traits 1 and 2. So they are very similar to each other. At a certain point, they diverged, probably due to a new mutation that was not passed to the rest of the group.  

C. The genomes of species C and D are nearly identical because neither species has a derived character. Correct.

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Cells that are thick in the middle and tapered towards the end are called fusiform cells

<h3>What are fusiform cells?</h3>

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A typical example of fusiform cell are the cells of the dorsal cochlear nucleus (DCN).

Therefore, cells that are thick in the middle and tapered towards the end are called fusiform cells

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