Answer: The correct answer is-
B It is an anabolic reaction that is endothermic.
A cell forms glycogen from simple sugars when food is plentiful. In human beings, carbohydrates ( glucose) are stored in the form of glycogen in muscles and adipose tissue.
The formation of glycogen from glucose is called as glycogenesis and it requires large amount of energy ( endothermic reaction) as a larger molecule is formed from simple glucose molecules, which shows an anabolic reaction.
Thus, option B) is the right answer.
Explanation:
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As alluded to above, the CTD undergoes dynamic changes in phosphorylation during transcription elongation. Very simply, the CTD is phosphorylated on Ser2 by CDK9, while Ser5-P is removed by Ser5 phosphatases, and, toward the end of genes, the CTD is dephosphorylated by Ser5 and Ser2 phosphatases.
Phosphorylation of the CTD of RNA polymerase II occurs during the initiation phase of transcription. It 'activates' the RNA polymerase II and is crucial for the transition to the elongation phase.
The phosphorylation of the CTD (C-terminal Domain) of RNA polymerase II happens during the initiation phase of transcription. This process is crucial for the transition from the initiation to the elongation phase of transcription.
Specifically, when the RNA polymerase II prepares to read the DNA strand and start RNA synthesis, the CTD, a part of the RNA polymerase II which is composed of many repeats of a seven-amino-acid sequence, undergoes phosphorylation.
The phosphorylation essentially 'activates' the RNA polymerase II and aids in the recruitment of various factors necessary for effective and correct transcription.
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Answer:
no they are not .
Explanation:
enzymes are made up chains of amino acids . and they perform the critical task of lowering the activation energies of chemical reactions inside the cell .
b. the gazelle's parents were not able to outrun a cheetah.
c. there was a mutation in the gazelle's genetic code.
d. the gazelle did not get enough nutritious food after it was born.
Otherwise known as answer: C.
b. vagina.
c. fallopian tube.
d. ovary.
Fertilization in humans, which is the union of an egg and a sperm, mostly occurs in the fallopian tube. The egg, after being released from the ovary during ovulation, travels down the fallopian tube where fertilization by a sperm can occur.
The fertilization of the human egg typically occurs in the fallopian tube, which is option c. This process is part of the reproductive cycle where the egg, released from the ovary during ovulation, travels down the fallopian tube. At the same time, sperm, after ejaculation, travels from the vagina through the uterus to meet the egg in the fallopian tube. If a sperm successfully penetrates the egg, fertilization occurs, resulting in a zygote which will eventually travel to the uterus for implantation. Hence, the fertilization site is typically the fallopian tube, not the uterus, vagina, or ovary.
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B. ADP
C. H2O
D. C6H12O6