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Matt

SCI221 Week 7: Assignment - StudyStack Set 1

QuestionAnswer
Homeostasis can best be described as: a constant state maintained by living and nonliving organisms a state of relative constancy adaptation to the external environment changes in body temperature a state of relative constancy.
ecause negative feedback control systems oppose changes that are opposite in direction to the initial disturbance, they are slowed or maintained in the homeostatic range excitatory passive stimulatory slowed or maintained in the homeostatic range
Events that lead to an immune response to an infection or the formation of a blood clot are examples of positive feedback negative feedback inhibitory feedback intracellular control positive feedback
A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond is a protein lipid carbohydrate nucleic acid. nuclei acid
When two amino acids are joined, a peptide bond is formed and an H+ ion is released. True False false
RNA and DNA have the same pyrimidine bases but different purine bases. True False false
Replication of DNA occurs in which phase of interphase? S phase G1 phase G2 phase M phase S phase
Basement membrane is composed of molecules made by _____ tissue. muscle connective epithelial Both B and C are correct Both B and C are correct
The cell organelles that synthesize organic matrix substances in bone formation are: mitochondria and Golgi apparatus ribosomes and Golgi apparatus endoplasmic reticulum and ribosomes endoplasmic reticulum and Golgi apparatus endoplasmic reticulum and Golgi apparatus
The largest and most commonly injured joint in the body is the _____ joint. hip shoulder knee elbow knee
Created by: mder
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