Assignment: Type Of Macro-Molecule

Assignment: Type Of Macro-Molecule

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25. What type of macro-molecule is frequently an enzyme?

1. Carbohydrate
2. Nucleic acid
3. Lipid
4. Protein

26. What function do enzymes perform?

1. Increase substrate concentration
2. Increase the temperature
3. Increase the activation energy required for a reaction to occur
4. Decrease the activation energy required for a reaction to occur

27. The most important aspect of cellular respiration is that ___________________

1. It is the process that occurs only in animal cells
2. It is the process that utilizes fat as its primary energy source
3. It is the process that enables living organisms to utilize the energy stored in glucose
4. It is the only cellular process that yields ATP

28. The statement best describes the relationship between plants and animals on earth is

1. Plants produce O₂and sugars from CO₂
2. Animals produce CO₂and H₂O from sugars and O₂
3. Plants produce O₂and sugars and animals produce CO₂and H₂O
4. Animals produce O₂and sugars and plants produce CO₂and H₂O

29. What is the function of the ribosome?

1. Digestion
2. RNA duplication
3. Mobility
4. Protein synthesis

30. What is the function of the lysosome?

1. Prokaryotic digestion
2. Eukaryotic digestion
3. Prokaryotic mobility
4. Eukaryotic mobility

31. In what stage of the cell cycle is genetic content replicated?

1. Interphase
2. Prophase
3. Metaphase
4. Anaphase
5. Telophase

32. How many chromatids comprise a duplicated chromosome?

1. One
2. Two
3. Three
4. Four

33. Which of the following could not be a sequence of RNA?

1. GCGUUU
2. UAUGCG
3. ATGCGT
4. AUGCGU
5. AAACUG

34. The product of meiosis includes which of the following?

1. Haploid cells
2. Genetically unique cells
3. Four daughter cells
4. All of the above
5. A. and C. only

35. Often referred to as the Central Dogma, identify the traditional sequence of protein synthesis.

1. DNA->RNA->Protein
2. RNA->DNA->Protein
3. Protein->RNA->DNA
4. 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?

1. 0
2. 1
3. 2
4. 3
5. 4

37. Which of the following variations could be subject to natural selection?

1. A dog with short legs due to malnutrition is able to crawl into holes better than his litter mates.
2. A tree is not infested by a ground-dwelloing beetle when the homeowener cuts the lower branches.
3. A hyena is born with a spotted fur pattern that allows it to hide in the grass better than his litter mates.
4. A pigeon learns that’s when its keeper comes near, it will be fed.
5. All of these variations may be acted on by natural selection.

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