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| Question | Answer |
|---|---|
| A mutation that occurs in the gametes of an organism will most likely be transferred to which of the following? | The offspring |
| The fact that a strain of yeast with a certain defective gene can use the human version of the gene to repair itself, is evidence that yeast and humans | Share a genetic code |
| In the early 1980s scientists were able to produce two biomolecules by splicing a human gene into the bacterium E. coli to make recombinant human insulin and growth hormone. Which statement best explains why this experiment was successful? | d. the genes for all organisms are composed of the same building blocks |
| The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up that section of the molecule. These two molecules are | Nucleic acids |
| Why is it common for researhers to collect samples of cheek cells? | a. they contain a complete set of DNA |
| At birth, Himalayan rabits are usually white over their entire body. But when parts of their bodies reach temperatures below 35 degrees C, a pigment that causes these parts to turn black is produced. Which of the following is most likely the cause of this | |
| A mutation is least likely to affect a cell when the mutation | c. produces a triplet that codes for the same amino acid as the original strand |
| The survival of a species depends on its ability to adapt to changes in its environment. Which statement correctly describes why mutations may help in this change? | c. mutation are a source of variation in a species |
| Which group of organelles is directly responsible for the production of new molecules within a cell? | d. ribosomes, endoplasmic reticulum, golgi |
| Organisms can be classified based on homology, which is a shared characteristic inherited from a common ancestor. Nucleotide sequence comparisons are possible because all organisms share which of the following? | DNA bases |
Created by:
Shanalove