Answer:
The cytochrome b6f is a large multisubunit protein, which accepts electrons from the PLASTOHYDROQUINONE. One electron moves linearly toward PLASTOCYANIN , while the other goes through a cyclic process, which effectively pumps more PROTONS into the thylakoid lumen.
Explanation:
Cytochrome b6f plays a very important role in photosynthesis reaction in plants.
Cytochrome b6f exists as a dimer and it is an multisubunit protein that can be found in the chloroplasts of plants.
Cytochrome b6f speeds up the movement of electrons plastohydroquinone to plastocyanin during photosynthesis.
Answer:
The cytochrome b6f is a large multi-subunit protein, which accepts electrons from the plastohydroquinone.
One electron moves linearly toward plastocyanin while the other goes through a cyclic process, which effectively pumps more protons into the thylakoid lumen.
Explanation:
The cytochrome b6f is distributed among both grana and stroma thylakoids equally. They are usually large and embedded in the membrane.
asexual reproduction
this is the correct answer
OPTIONS:
a. The organisms vary in trait
b. The variation is inherited
c. More young are born than can survive
d. Some individuals are better adapted to the environment
Answer:
d. Some individuals are better adapted to the environment
Explanation:
Kettlewell’s biological experiment, which was conducted in England, was to study the evolutionary changes taking place in trees in relation to the appearance of dark-colored moth.
It was observed that white moths were more common before the industrial revolution. After the industrial revolution, which changed the background of the environment of the moths due to pollution, the moths became easily seen and obvious to predatory birds.
It was discovered that peppered moths were selectively preyed on by birds depending on their body color, which serves as the most important factor that determines if moths can survive predation by blending with the background of their environment. This led to the evolving of moths of their color to blend with the background of their environment, which makes them hide from the birds that prey on them.
Kettlewell was trying to verify the factor in evolution by natural selection, which says, “some individuals are better adapted to the environment”.
The phosphate is removed by hydrolysis from ATP molecules. Thus, energy is stored in the chemical bonds of ATP and released during ATP hydrolysis.
Further Explanation:
Adenosine triphosphate (ATP) is the molecular currency used for energy transactions. The ATP energy is stored in the bonds between the terminal phosphate groups. These bonds are hydrolyzed by the enzymes to obtain energy for reactions. ATP is an energy caring molecule present in the living cell. It stores energy in the bonds between the phosphates produced by the breakdown of food molecules. It releases energy required for the chemical reaction, and hence, it is known as an effective energy donor.
ATP is made of three main structures:
The main energy source in ATP is phosphate tail. The energy is stored in the bonds present between the phosphates groups and release when these bonds are broke down. This process is referred to as ATP hydrolysis in this addition of water occurs. When the one phosphate is removed from ATP, then it is converted into ADP.
Learn more:
Answer Details:
Grade: High School
Subject: Biology
Chapter: Membrane Biology
Keywords:
ATP, enzymes, bonds, chemical reaction, energy, phosphate group, ADP, food molecule, breakdown, donor, sugar, ribose.
Answer:a. The hormones cause the woman's body to mimic the activities of a pregnancy and disrupt the ovarian cycle, preventing ovulation
Explanation:
Pills either as real subtance or synthetic form(Placebo) exhibit effect on ovulation ,by suppressing it thereby mimicking pregnancy.
Since ovulation is suppressed fertilization can not take place,no egg/ovum is released to be fertilized by the sperms.
The pill works by releasing estrogen and progesterone into the body. These hormones prevent ovulation and thicken the mucus plug at the cervix, making it harder for sperm to reach the egg.
The oral contraceptive pill, also known as 'the pill', contains hormones that have two main effects. The first is that they change the hormonal balance in the woman's body, making it behave as if it is already pregnant. That's because the hormones estrogen and progesterone prevent ovulation—the release of an egg from the ovaries. Without an egg to fertilize, pregnancy can't occur.
The second effect is that these hormones change the lining of the womb to make it less likely to accept a fertilized egg, and they thicken the mucus plug at the cervix, making it more difficult for sperm to reach an egg in the uterus. So, the correct answers to your question are a and b.
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