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Questions in biology

[Answered] What is the difference in the role of an operator and the role of a promoter?

[Answered] According to the central dogma, what is the relationship among DNA, RNA, and proteins?

[Answered] **Question 2:** How might a deletion mutation in a gene affect the translation of that gene? A. The mutation would not allow DNA to exit the cytoplasm. B. The mutation would prevent amino acids from being brought to the ribosome during translation. C. The amino acids would not be the right shape. They would not be able to assemble to form proteins. D. The mutation would cause a different sequence of amino acids to be brought to the ribosome during translation. **Question 3:** What is DNA? A. A type of molecule composed mostly of amino acids B. A type of molecule that performs the main functions of cells C. A type of molecule that speeds up the rate of a chemical reaction D. A type of molecule that determines the traits that an individual inherits

[Answered] Give an example and description of the word Cycadophyta.

[Answered] Provide an example and a description of Gnetophyta.

[Answered] Where are phosphate groups found in a DNA molecule?

[Answered] Summarize the process by which the DNA code is made into a protein.

[Answered] Describe the function of each of the following in protein synthesis: 1. rRNA 2. mRNA 3. tRNA

[Answered] What chemical equation sums up the events of photosynthesis?

[Answered] Using what you have learned in this exercise, write a paragraph applying the concepts. Describe a cell that effectively uses diffusion as a means to move materials in and out. Use this information to suggest how being small helps cells survive, and how being made of many small cells helps large organisms maintain homeostasis.