When the ventricles contract, blood flows from the right ventricle to the _____.

Answer:

x=7

Explanation:

11=2x-3

Simplify it

14=2x

Divide each side by 2

x=7

Answer:I'm not sure the answer but I'm pretty sure if you divide 11 by 2x-3 you'll get the answer which a calculator can provide :)

Explanation:I think this is how you do it been a while since I had to do that kind of stuff

Answer:

Cytochrome C; it provides evidences that there is similarities in the respiratory pathways for producing ATPs by  all living organisms especially mammals.

Explanation:

Cytochrome c is located in the intermembranes of mitochondria, and it functions in the transfer of  of one electron in electron transport chain,(ETC) needed for  generation of proton motive force;  for generation of energy in the synthesis of ATPs by ATPase synthase  during chemiosmosis. Its allows oxdation-reduction by the switching of its iron ii to iron iii. during electron transports.However its iron atoms does not undergo oxidation with  oxygen. This feature makes it stable and  an ideal carrier of electrons.

Its amino acid sequences is very similar in all living organisms especially  between mammals(e.g man and chimpanzees)with little variation in few amino acid residues due to mutation.This similarity in its amino acids sequences in all  living  organism together with small molecular size makes it ideal  molecular evidence  for studying comparative molecular evidence of  evolution.

This is because it can be used  to trace  the pathways of respiration to synthesize energy, and therefore to conclude that  most  organisms share common ancestry, since a very similar protein sequence in  a structure(Cytochrome c) participated in unique ETC mechanisms  in all, needed for energy synthesis .

A reproductive isolation mechanism in which females prefer to mate with males of their own species is a BEHAVIORAL mechanism.

• Reproductive isolation refers to the mechanisms that prevent a species from mating with others, which have fundamental importance from an evolutionary point of view.

These barriers to fertilization can be divided into:

1. prezygotic isolation barriers, which prevent the fertilization of the egg
2. postzygotic isolation barriers, which prevent the generation of fertile offspring.

• The most important prezygotic isolation barriers include, among others, habitat isolation, behavioral isolation, mechanical isolation, etc.

• Behavioral isolation mechanisms are characterized by mating rituals (for example, the songs of males in certain bird species), which are capable of generating reproductive barriers.

In conclusion, a reproductive isolation mechanism in which females prefer to mate with males of their own species is a BEHAVIORAL mechanism.

Learn more in:

brainly.com/question/1162611

The isolating mechanism involved is the behavioral change (A).

Further Explanation:

Isolating mechanism are those characteristics of the species that prevents them to reproduce with other members of the species.

There are various types of isolating mechanism:

1. Behavioral- Reproductive isolation that arises due to the behavior of the individual during their mating period.

2. Temporal- The species breeds at different time or they may have different breeding season, therefore this can lead to reproductive isolation.

3. Geographical- The isolation of species because they occupies different habitats.

4. Anatomical- Isolation that arises due to different internal structure of the species.

Example of isolating mechanism - when two species of flies, Drosophila melanogaster and Drosophila simulans, can mate however they usually do not mate. But even though they are kept with each other in any lab, males court the females of both species but the females prefers to mate with males that belongs to the same species.This example shows the behavioral isolation.

Learn more:

1. Learn more about plants: brainly.com/question/862697

2. Learn more about bacteria: brainly.com/question/4656094

3. Learn more about viruses: brainly.com/question/3889603

Answer Details:

Grade: College  Biology

Subject: Biology

Chapter: Ecology

Keywords:

Reproductive isolation, behavioral isolation, temporal isolation, geographical isolation, anatomical isolation, Drosophila melanogaster,Drosophila simulans, species, mate, isolating mechanism, breeding season.

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