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s2008m [1.1K]
3 years ago
15

Both frogs and ducks have webbed feet. However ducks are more closely related to perching birds than to frogs.

Biology
1 answer:
alex41 [277]3 years ago
6 0
This would occur through the process of convergent evolution. This describes the<span> independent </span>evolution<span> of similar traits in unrelated species. Some examples would be the development of a streamlined shape for swimming among fish, penguins, dolphins and seals. The development of wings for flying among birds and bats. And the development of complex eyes among vertebrates and cephalopods. </span>
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What is the role of ATP synthase in photosynthesis?
german

The role of ATP synthase in photosynthesis is to transports a proton down the gradient and uses the energy to complete the phosphorylation of ADP to ATP.

Further Explanation:

Photosynthesis starts with the absorption of light or solar energy by the plant pigments called chlorophyll. The activated chlorophyll molecule helps in the electron transfer from one acceptor to another forming a chain.

The first phase of photosynthesis the light-dependent reaction in which the absorbed light is utilized to produce molecules carrying energy that is used in the second phase to form carbohydrates by reducing carbon dioxide. The first phase occurs in the grana region of the chloroplast and involves the transport of electrons through photosystem II (PS II) followed by photosystem I (PS I). The energy gained by the chlorophyll molecule is transferred to PS II in the form of electrons. These electrons are passed on further through a series of electron transporter or carrier from PS II to PS I. In photosystem I, finally, the electron is gained by NADP+ to form NADPH.

The ATP synthesis is produced by the use of proton motive force this reaction is catalyzed by ATP synthase. This a multiprotein synthase is also well-known as F0 F1 complex .The ATP molecule is synthesized when proton flow back from the inner membrane down the electrochemical proton gradient . ATP synthase has two components F1 ATPase and F0 which is embedded in the inner membrane and contain alpha, beta and C unit.

As the electrons travel along the electron transport chain, energy is released which helps in the pumping of protons (ions) into the lumen from the stroma through the thylakoid membrane. A proton gradient is developed which allows the movement of protons back to the stroma which in turn results in the formation of ATP through membrane-bound ATP synthase

The second phase of the photosynthesis is the dark reaction or the light-independent reaction happens in the stroma and utilizes the products formed during the light-dependent phase.

Learn more:

  1. Learn more about cell organelle <u>brainly.com/question/5923583 </u>
  2. Learn more about the diffusion <u>brainly.com/question/1386629</u>
  3. Learn more about the plant <u>brainly.com/question/862697 </u>

<u> </u>

Answer Details:

Grade: High School

Subject: Biology

Chapter: Plant Cell

Keywords:

ATP synthase, light dependent reaction, thylakoid, stroma, grana, membrane, photosynthesis, alpha , beta, proton motive force.

5 0
3 years ago
Read 2 more answers
When examining rock layers, where do you find the oldest material? Why is this the case?
Basile [38]

Answer:

At the very bottom

Explanation:

When examining a cross section of rock layers, the oldest layer is on the bottom. This is because over time, newer rock layers continued to form on top of the oldest one.

5 0
3 years ago
What does the term electron orbital describe?An electron orbital describes the orbit of an electron around the nucleus.An electr
AlekseyPX

The correct answer is B. An electron orbital describes a three-dimensional space where an electron can be found 90% of the time.

Explanation:

Electrons are negatively charged particles found in atoms. These different from protons and neutrons are not located in the nucleus of the atom but orbit it. Additionally, electrons do not orbit the nucleus following a linear pattern but they have a wave-like behavior which means they move in a three-dimensional space or area known as electron orbital in which they can be found most of the time, this space of area is determined depending on energy, momentum, and other factors. Thus, an electron orbital is "a three-dimensional space where an electron can be found 90% of the time".

5 0
3 years ago
What is this answer
skelet666 [1.2K]

Answer:

its neap spring and neap flood

Explanation:

because i had the same question and i got these right

8 0
3 years ago
The lagging strand is replicated with a series of okazaki fragments and that is why its synthesis is considered to be
ASHA 777 [7]

Answer:

Their synthesis is considered to be discontinuous.

Explanation:

Okazaki fragments, which are strands of DNA that are produced seperately and then linked together, this is why their synthesis is considered to be discontinuous.

I hope this answer helps.

7 0
3 years ago
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