Answer: b. they accept a hydrogen molecule
Explanation:
NAD +: Nicotinamide Adenine Dinucleotide- Coenzyme that assists biological reactions by absorbing hydrogen atoms removed from the substrate. Its reduced form NADH or NADH2 contains more energy, which can be used to generate ATP in later reactions. Other examples of coenzymes used in the energy metabolism: FAD (Flavin Adenine Dinucleotide) and its reduced form FADH2
Carbohydrates and lipids are both sources of energy. The breaking of carbon and hydrogen bonds on carbohydrates and lipids release energy for use by the cells.
Answer:
D
Explanation:
glucose is produced a sugar water chemical
A amoeba moves by changing the shape of their bodie, forming pseudopods. ( temporary foot like structures).
Hope this helps.
Answer:
Changes in gene expression
Explanation:
This phenomenon is the result of changes in gene expression. That means, how the information in the DNA is used by the cell. The genes that are active in the cells of the brain will be very different from the genes that are active in the cells of the bone marrow.
These patterns of gene expression are different for each cell, and dictate the identity of that cell. Gene expression patterns are controlled by a variety of factors in the cell that allow tissue-specific expression, such a transcription factors.
This can also be facilitated by another layer of regulation called epigenetics, which literally means "on top of" genetics, and refers to modifications of DNA (and the proteins around it), that can reflect and influence the activity of the genes within.
