The answer is the first one
Moves astronauts around
I believe vestigial structures are evidence of evolution because organisms inherit anatomy from their ancestors.
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Answer:
The correct answer would be - medium with lactose present and glucose absent.
Explanation:
There are genes present in lac operon that takes part in the lactose metabolism. These genes expressed only if a medium has lactose in absence of glucose.
In the absence of glucose and lactose is present, due to inducer the lac repressor is removed from the operator. This leads to the binding of CAMP to DNA as the CAMP levels are high. It helps in high transcription levels b binding RNA polymerase to promotor.
A new nucleotide can only be added to the 3' end of a growing dna strand. dna therefore always grows in the 5' to 3' direction.
Define nucleotide.
Nucleotides are organic molecules made up of a phosphate and a nucleoside. They serve as monomeric units of the essential biomolecules found in all life forms on Earth, deoxyribonucleic acid(DNA) and ribonucleic acid polymers.
Define DNA.
Deoxyribonucleic acid(DNA) is a polymer made of two polynucleotide chains that coil around one another to form a double helix and which contains the genetic material necessary for all known creatures, including many viruses, to develop, function, grow, and reproduce. Nucleic acids include DNA and ribonucleic acid.
Learn more about DNA here:-
brainly.com/question/264225
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Answer:
The human body needs nourishment for energy, to keep warm, and for development and fix. We need numerous supplements consistently so as to remain solid. The three fundamental supplement bunches in food are sugars, protein, and fats. We additionally need minerals and nutrients.
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