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Ashley Meadows

Physiology weeks 1-6

QuestionAnswer
Any large molecule made up of many identical small molecules is called what? A polymer
A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond is a: nucleic acid
What term is often used to describe certain arrangements of atoms attached to the carbon core of many organic molecules? functional group
Replication of DNA occurs in which phase of interphase? S phase
The component that distinguishes one nucleotide from another is what? the nitrogen base
What are the two processes of protein synthesis transcription and translation
Which skin layer contains closely packed, clear cells that contain a gel-like substance called eleidin? Stratum lucidum
In which skin layer does the process of keratinization begin? Stratum granulosum
Which cells of the skin act as a type of antigen-presenting cell in the skin? Dendritic cells
The external portion of the bone is known as what? Cortical bone
The muscle’s ability to stretch or extend and to return to its resting length is called what? extensibility
What occurs when the foot is tilted upward, thus decreasing the angle between the top of the foot and the front of the leg? Dorsiflexion
A contraction in which muscle length remains the same but muscle tension increases is called an isometric contraction
The minimal level of stimulation required to cause a fiber to contract is called the threshold stimulus
The contractile unit of a muscle cell is the sarcomere
Joints joined by fibrocartilage are called what? symphyses
The joint present during the growth years between the epiphyses of a long bone and its diaphysis is the synchrondrosis
Which structure allows the electrical signals to travel along the sarcolemma and move deeper into the cell? transverse tubule
 

 



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