The slide of stages in starfish development illustrates stages from unfertilized egg to gastrula—typical of echinoderms and chordates that have very little yolk in the egg. Three embryonic cell layers—ectoderm, endoderm, and mesoderm—are established. All adult tissues are derived from these layers.
DNA technology is being used to help diagnoses genetic diseases
Answer: Delirium
A person who suffers delirium experience lack of
awareness of oneself or one’s surroundings. Delirium is a serious disturbance
in mental abilities results in confused thinking and reduced environmental awareness.
This manifestation is transient and usually reversible but it can occur at any
age especially in elderly who have previously compromised mental status.
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If a microbiology lab student left the safranin out of the Gram stain procedure, <span>Gram-positive cells would be purple and Gram-negative cells would be colorless.</span>
