C. hypothesis. He is giving a possible answer to the question "why did the celery crisp when placed in water?"
Answer:
B. Hominins evolved an opposable thumb that enabled hands to grasp objects.
Explanation:
Prehistoric hominids evolved opposable thumbs earlier than bipedal walking. The opposable thumbs have been critical during evolution because this position enables the digits to grasp and handle objects.
Answer:
Please look at the explanation section
Explanation:
In the oxidative phase of the pentose phosphate pathway, NADPH molecules and ribose-5-phosphate molecules are created. The function of NADPH molecules is to build other types of molecules. For example, RSP sugar is used for the production of DNA and RNA creating S-phospho-D-ribose alpha-1 pyrophosphate, and, if there is an excess of ribose-S-phosphate, said excess may not be used to biosynthesis and therefore it is transformed into other sugars that can be used by the cell for metabolism.
<span>The synthesis of proteins takes two
steps: transcription and translation. Transcription takes the
information encoded in DNA and encodes it into mRNA, which heads out of
the cell's nucleus and into the cytoplasm. During translation, the mRNA
works with a ribosome and tRNA to synthesize proteins.</span>
The molecular sequence, or blueprint for a protein, is originally carried by <span>DNA. Deoxyribonucleic acid is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses. DNA and ribonucleic acid are nucleic acids; alongside proteins, lipids and complex carbohydrates, they are one of the four major types of macromolecules that are essential for all known forms of life. Most DNA molecules consist of two biopolymer strands coiled around each other to form a double helix. </span>
