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Week 7 Phys
Phys week1-6
| Question | Answer |
|---|---|
| All Proteins have what 4 elements | -Carbon. -hydrogen -Oxygen. - nitrogen |
| What determines how protein performs | Shape |
| Replication of DNA occurs in which phase | S Phase |
| The total number of 46 chromosomes per cell is referred to as ________ number | diploid |
| The area referred to as "true skin"is the | dermis |
| Hematopoietic tissue can be found in the: | Bones |
| The papillary layer of the dermis: | produces the ridges that make finger prints |
| connective tissue forms from stem cell tissue called: | mesenchyme |
| Which type of connective tissue helps newborns maintain body temperature by producing heat? | Brown fat |
| Which layer contains closely packed, clear cells that contain a gel like substance called "eleidin"? | Stratum lucidum |
| What is an example of a uniaxial joint? | elbow joint |
| Three phases of the twitch contraction are the : | latent phase. contraction phase relaxation phase |
| The contractile unit of a muscle cell is the: | sarcomere |
| muscle tone is maintained by: | negative feedback mechanisms |
| The substance that attracts oxygen in the myoglobin molecule is: | Iron |