The organ system most affected by undernutrition in infancy and early childhood is the

Nervous system

Nervous system is made up of organized group of cells (neurons) that specialized for the conduction of electrochemical stimuli or signals from sensory receptor to other sites. Thus, these signals are sent in form of electrochemical waves that travel through thin fibers called axons. They are made up of two parts namely: Central Nervous system and Peripheral Nervous system.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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interphase   is the cell cycle stage in which the cell acquires nutrients, creates and uses proteins and other molecules and starts the process of cell division by replicating the dna. it is the longest stage in the eukaryote cell cycle.

the following   can go wrong during interphase:   a base pair could be mismatched during the duplication process causing a mutation.   correct answer: c

explanation: