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Test your basic knowledge |
DSST Biochemistry 2
Start Test
Study First
Subjects
:
dsst
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. 2-layer permeable membrane that forms a continuous barrier around a cell
POLYSACCHARIDE
Gram Negative
Cellular respiration
PHOSPHOLIPID BILAYER
2. Binds to promoter which stops promotion of lactose
Lactose
COMMA
Repressor
RNA polymerase
3. Bond between amino acids in a protein
GRAM NEGATIVE
Peptide bond
Translation
LIPID A
4. Purine adenine - ribose and 3 phosphates
COMMA
LIPID A
ATP
Catabolic
5. Energy required
DNA Polymerase III
Activation energy
TETRAD
LIPID
6. Monomers of proteins
Safranin
Regulator
TETRAD
Amino acids
7. Phosphate is added to a molecule to make it unstable. Molecule more easily broken now.
Gram Negative
Tata box
Electronegativity
Phosphorolation
8. Gain of e-
Oxidation
Single Stranded Binding Protein
Reduction
CYTOPLAMIC MEMBRANE
9. A sequence of three nucleotide in DNA & RNA
Crystal Violet
Hershey and Chase
Helicase
Codon
10. Components of the CW linked by peptide bonds
Alcohol
COMMA
NAG & NAM
Electronegativity
11. Is an enzyme that cuts double-stranded or single stranded DNA at specific recognition sites
Restriction Enzyme
3' -5'
LIPOPOLYSACCHARIDE
Oxidation
12. How cells use energy stored in food and molecules to make ATP
CYTOPLAMIC MEMBRANE
Iodine
DNA polymerase I
Cellular respiration
13. Replicated continuously
PHOSPHATE
Leading strand
Stop codon
Amino acids
14. Bonds between NAG & NAG or NAM & NAM
PERIPLASM
GLYCOSIDIC BOND
Alcohol
RNA polymerase
15. Is a code in which it is the same code forward as it is backwards - restriction sites
Avery
Palindrome
PHOSPHOLIPID BILAYER
Peptide bond
16. Not spontaneous - requires energy
LIPID
RNA polymerase
Iodine
Endergonic
17. Build up of molecules
Anabolic
Chargaff
NADH
ARCHAEA
18. Nicotinamide Adenine Dinuecleotide
Safranin
GLYCOSIDIC BOND
NAD+
HYDROPHILIC
19. Okazaki fragments are than linke
Ribozymes
DNA polymerase I
Gram Positive
LIPOPOLYSACCHARIDE
20. Series of amino acids held together by peptide bonds
BACILLI
Protein
Regulator
Primer
21. Chains of molecules attached to the CW of a Gram + bacterium
ENDOTOXIN
PHOSPHATE
TECHOID ACID
Lactose
22. The empty space between the CW & the CM
PERIPLASM
Amino acids
Ligase
COCCI
23. Glyceraldyhyde 3 Phosphaet Dehydrogenase - phosphorolates and reduces NAD by adding 2e- and a H+
Ribosomes
Single Stranded Binding Protein
GAPDH
Glycolysis
24. Lipid component of endotoxin (Gram -)
Substrate Level Phosphorolation
ATP
Palindrome
LIPID A
25. Loss of e-
Oxidation
GRAM POSITIVE
G3P
Primer
26. Comma shaped
CELL WALL
COMMA
NAD+
mRNA
27. Found DNA to be the genetic material in cells
Phosphorolation
Introns
Endergonic
Hershey and Chase
28. It is the two single stranded regions of DNA that is being replicated
Oxidation
Repressor
Replication fork
Avery
29. Break down of molecules
Phosphorolation
Catabolic
Gyrase
Chargaff
30. Are Restriction Enzymes
Endonuclease
Exons
LAC Operon
HYDROPHILIC
31. Place where repressor binds - where RNA polymerase binds
Promoter
Polypeptide
Cellular respiration
Helicase
32. Microbes; single celled microorganisms
Replication fork
ARCHAEA
LIPID
Cytoplasm
33. That doesn't contain a nucleus or membrane bound organelles (small cell)
Iodine
PROKARYOTE
LAC Operon
Palindrome
34. (LPS); lipids and polysaccharides linked together by covalent bonds
STREPT
HYDROPHILIC
LIPOPOLYSACCHARIDE
Safranin
35. Has 2 layers CW - CM
Gram Positive
PHOSPHATE
Antioxidants
Electronegativity
36. Is an enzyme that glues the sticky or the blunt ends to join the strands
TECHOID ACID
NAG & NAM
Lagging Strand
Ligase
37. Rod shaped
Gram Negative
BACILLI
DNA Polymerase III
DNA polymerase I
38. Messenger RNA that leaves the nucleus with the genetic code for a protein
mRNA
Inducer
GRAM POSITIVE
ENDOTOXIN
39. Polymer of carbohydrates joined together by glycosidic bonds
Gram Positive
Repressor
POLYSACCHARIDE
Tata box
40. Makes a repressor - binds to promoter/operator to stop RNA polymerase
STREPT
Exons
SPIRILLI
Regulator
41. Process of using mRNA to create proteins
CELL WALL
Translation
Transcription
Crystal Violet
42. 'pair'
RNA polymerase
ARCHAEA
Chargaff
DIPLO
43. Location of translation
Release factor
Exons
Cytoplasm
DIPLO
44. Leading strand
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45. Murein; consists of sugars & amino acids that make a mesh-like layer outside the CW
PEPTIDOGLYCAN
Ribosomes
GLYCOSIDIC BOND
Polypeptide
46. Non-coding regions on mRNA
Introns
SPIRILLI
Oxidation
LIPID
47. Found the double helicle structure of DNA
Ribozymes
LIPID A
ARCHAEA
Franklin
48. Stains gram negative and gram positive bacteria
Hershey and Chase
LIPID A
Gram Staining
Replication fork
49. Spiral
SPIRILLI
Polypeptide
Endonuclease
PHOSPHATE
50. The last - ending codon that terminates the sequence
mRNA
Inducer
Glycolysis
Stop codon