MMBIO 121 Midterm 1 Exam Questions With Correct Answers.

MMBIO 121 Midterm 1 Exam Questions With
Correct Answers


Elements |of |life |- |CORRECT |ANSWER✔✔-carbon, |hydrogen, |oxygen



Qualifications |for |life |- |CORRECT |ANSWER✔✔-1. |Transmit |genetic |information

2. |Interact |with |other |living |organisms

3. |Adaptation



Also: |acquire |energy, |maintain |homeostasis, |development, |complexity |and |organization



True |or |False: |viruses |are |living. |- |CORRECT |ANSWER✔✔-False: |they |can't |metabolize |or |
replicate |without |a |host



Cell |- |CORRECT |ANSWER✔✔-Basic |unit |of |life



Sun |- |CORRECT |ANSWER✔✔-Main |source |of |energy |for |life



Essential |features |of |a |cell |- |CORRECT |ANSWER✔✔-1. |Transmit |and |store |information |(DNA)

2. |Has |plasma |membrane

3. |Can |harness |energy



Scientific |Method |- |CORRECT |ANSWER✔✔-Observation

Hypothesis

Experiment

, Data |Collection

Conclusion

Retest |(if |needed)



Variation |- |CORRECT |ANSWER✔✔-Any |difference |between |individuals |of |the |same |species, |
usually |results |from |mutation



Evolution |- |CORRECT |ANSWER✔✔-The |gradual |change |in |a |species |over |time



Central |Dogma |- |CORRECT |ANSWER✔✔-DNA-transcription-RNA-translation-protein



Structure |of |an |Atom |- |CORRECT |ANSWER✔✔-nucleus |made |up |of |protons |and |neutrons; |the |
electrons |make |up |the |surrounding |area



Covalent |Bond |- |CORRECT |ANSWER✔✔-Sharing |electrons |to |fill |outer |shell



Ionic |Bond |- |CORRECT |ANSWER✔✔-Element |gives |up |electron, |creates |positive |and |negative |
field



polar |covalent |bond |- |CORRECT |ANSWER✔✔-A |covalent |bond |in |which |electrons |are |not |
shared |equally, |creates |a |slight |positive |and |negative |field



Amino |acids |- |CORRECT |ANSWER✔✔-The |20 |molecules, |central |carbon |with |r |group, |carbonyl |
group, |and |hydrogen



Amino |group |- |CORRECT |ANSWER✔✔-NH2



carboxyl |group |- |CORRECT |ANSWER✔✔-COOH