Assignment: Type Of Macro-Molecule
Assignment: Type Of Macro-Molecule
Assignment: Type Of Macro-Molecule
25. What type of macro-molecule is frequently an enzyme?
- Carbohydrate
- Nucleic acid
- Lipid
- Protein
26. What function do enzymes perform?
- Increase substrate concentration
- Increase the temperature
- Increase the activation energy required for a reaction to occur
- Decrease the activation energy required for a reaction to occur
27. The most important aspect of cellular respiration is that ___________________
- It is the process that occurs only in animal cells
- It is the process that utilizes fat as its primary energy source
- It is the process that enables living organisms to utilize the energy stored in glucose
- It is the only cellular process that yields ATP
28. The statement best describes the relationship between plants and animals on earth is
- Plants produce O2and sugars from CO2
- Animals produce CO2and H2O from sugars and O2
- Plants produce O2and sugars and animals produce CO2and H2O
- Animals produce O2and sugars and plants produce CO2and H2O
29. What is the function of the ribosome?
- Digestion
- RNA duplication
- Mobility
- Protein synthesis
30. What is the function of the lysosome?
- Prokaryotic digestion
- Eukaryotic digestion
- Prokaryotic mobility
- Eukaryotic mobility
31. In what stage of the cell cycle is genetic content replicated?
- Interphase
- Prophase
- Metaphase
- Anaphase
- Telophase
32. How many chromatids comprise a duplicated chromosome?
- One
- Two
- Three
- Four
33. Which of the following could not be a sequence of RNA?
- GCGUUU
- UAUGCG
- ATGCGT
- AUGCGU
- AAACUG
34. The product of meiosis includes which of the following?
- Haploid cells
- Genetically unique cells
- Four daughter cells
- All of the above
- A. and C. only
35. Often referred to as the Central Dogma, identify the traditional sequence of protein synthesis.
- DNA->RNA->Protein
- RNA->DNA->Protein
- Protein->RNA->DNA
- Protein->DNA->RNA
36. In humans, the allele for dimples (D) is dominant. The allele for not having dimples (d) is recessive. If a woman (DD) and a man (Dd) have four children, how many of the children will not have dimples?
- 0
- 1
- 2
- 3
- 4
37. Which of the following variations could be subject to natural selection?
- A dog with short legs due to malnutrition is able to crawl into holes better than his litter mates.
- A tree is not infested by a ground-dwelloing beetle when the homeowener cuts the lower branches.
- A hyena is born with a spotted fur pattern that allows it to hide in the grass better than his litter mates.
- A pigeon learns that’s when its keeper comes near, it will be fed.
- All of these variations may be acted on by natural selection.
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