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| Q: Genes are carried on ______ |
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| Q: A(n) ______ is an example of an organism that can reproduce asexually |
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| Q: The chromosomes of eukaryotic cells are found in the ______. |
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| Q: Chromatin consists of ______. |
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| Q: Nucleosomes are made of ______. |
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Definition
| DNA wrapped around histone proteins |
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| Q: A duplicated chromosome consists of two ______. |
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| Q: Sister chromatids are joined at the ______. |
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| Q: Which of the following occurs during interphase? |
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| Q: The cell cycle results in the production of ______. |
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Definition
| two diploid cells, each with the same amount of genetic material and the same genetic information |
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| Q: Which of the following occurs during prophase? |
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Definition
| The mitotic spindle begins to form. |
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| *Q: Which of the following is a stage of mitosis? |
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| Q: The correct sequence of stages of mitosis is ______. |
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Definition
| prophase, metaphase, anaphase, telophase |
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Definition
| chromosomes line up on the midline of the cell |
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| Q: Which of these events occurs during anaphase? |
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| Q: During telophase ______. |
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Definition
| the events of prophase are reversed |
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| Q: A cell that completed the cell cycle without undergoing cytokinesis would ______. |
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| Q: Cytokinesis occurs during the ______ stage of mitosis. |
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| Q: A couple has two female children. What is the probability that their next child will be male? |
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| Q: In humans, free earlobes (E) are dominant to attached earlobes (e) and the presence of freckles (F) is dominant to the absence of freckles (f). If an individual heterozygous for both of these traits were to mate with an individual with attached earlobes and no freckles, what is the probability of having a child with attached earlobes and freckles? |
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| Q: The ______ is most commonly found in nature. |
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Term
| Q: An individual heterozygous for cystic fibrosis ______. |
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| Q: Chromosomes that are not sex chromosomes are called ______. |
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| Q: What is the key to the recognition of incomplete dominance? |
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Definition
| The phenotype of the heterozygote falls between the phenotypes of the homozygotes. |
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| Q: An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (naturally) wavy hair. What is the relationship between the alleles for hair texture? |
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| Q: An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (naturally) wavy hair. If an individual with wavy hair mates with an individual with straight hair, what is the probability that their child will have curly hair? |
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| q: What is the key to the recognition of codominance? |
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Definition
| The heterozygote expresses the phenotype of both homozygotes. |
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| q: An individual with the blood group genotype LMLN has the phenotype MN. What is the relationship between the LM and LN alleles? |
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| q: An individual with the blood group genotype LMLN has the phenotype MN. What is the expected phenotypic ratio of a cross between a person with phenotype N and a person with phenotype MN? |
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Definition
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Term
| q: Marfan syndrome is the result of inheriting a single allele. Individuals with Marfan syndrome are tall and long-limbed, and have both cardiovascular and eye defects. The inheritance of Marfan syndrome is an example of ______. |
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| q: What is the key to the recognition of a trait whose expression is determined by the effects of two or more genes (polygenic inheritance)? |
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Definition
| the trait exhibits continuous distribution |
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| Q: In humans, the inheritance of ______ is best explained as being polygenic. |
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| Q: What is the basis of Mendel's laws? |
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Definition
| the behavior of chromosomes during anaphase I and anaphase II |
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| Q: ______ genes violate Mendel's principle of independent assortment. |
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| Q: What is the best explanation for a BbCc × bbcc cross producing offspring in a 5:5:1:1 phenotypic ratio? |
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| Q: How many molecules of glucose are produced by each cycle of the light reaction? |
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| Q: See Picture: How many times must the Calvin cycle turn for the plant cell to be able to produce one molecule of glucose? |
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| Q: See Picture: One of the compounds that is a direct output of the Calvin cycle is ______. |
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| Q: See Picture: The first step of the Calvin cycle is the incorporation of ______ into ______. |
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| Q: See Picture: The last stage of one complete turn of the Calvin cycle involves ______. |
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| Q: See Picture:If an herbicide blocked the Calvin cycle before the generation of glyceraldehyde 3-phosphate (G3P), which of the following statements would be true? |
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Definition
| No sugar would be made by the plant. |
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Term
| Q: C4 plants conserve water by ______. |
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Definition
| keeping their stomata closed most of the time |
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Term
| Q: CAM plants conserve water by ______. |
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Definition
| keeping their stomata closed at night |
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Term
| Q: The ultimate source of (nearly) all energy in food produced on Earth is ______. |
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Definition
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Term
| Q: The primary mechanism by which CO2 contributes to global warming is by ______. |
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Definition
| preventing the radiation of heat from Earth to space |
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| Q: Cutting down trees ______. |
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Definition
| increases the amount of CO2 released into the atmosphere |
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Term
| q: Plants provide which of the following to humans? |
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Definition
A) food
B) energy source (fuel)
C) oxygen
D) raw materials
##E) all of the above |
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Term
| q: Which of the following is an autotroph? |
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Definition
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Term
| q: In which organelle does photosynthesis take place? |
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Definition
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Term
| q: Photosynthesis contributes to plant growth by _____. |
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Definition
| taking in carbon dioxide and making carbohydrates |
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Term
| q: Why do some plant species require shaded conditions while other plant species require bright sunlight? |
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Definition
| Different species of plants produce different types of pigment molecules that utilize different wavelengths of light. |
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Term
| q: If you provided your shade-tolerant plants with their preferred wavelength of light, but only minimal amounts of water, which of the following would you expect to occur? |
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Definition
| decreased amounts of ATP being produced by the plants |
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Term
| q: ______ cells in leaves are specialized for photosynthesis. |
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Definition
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Term
| q: An oxidation-reduction reaction involves the transfer of a(n) ______. |
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Definition
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Term
| q: Which of these colors contributes the least energy to photosynthesis? |
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Definition
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Term
| q: A concentration gradient is a form of ______. |
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Definition
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Term
| q: Under arid conditions, C4 plants fix carbon dioxide more efficiently than C3 plants because C4 plants ______. |
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Definition
| use ATP to fix carbon dioxide |
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Term
| Q: Plants provide which of the following to humans? |
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Definition
| A) food B) energy source (fuel) C) oxygen D) raw materials ***E) all of the above |
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Term
| Q: Which of the following is an autotroph? |
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Definition
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Term
| Q: In which organelle does photosynthesis take place? |
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Definition
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Term
| Q: Photosynthesis contributes to plant growth by _____. |
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Definition
| taking in carbon dioxide and making carbohydrates |
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Term
| Q: Why do some plant species require shaded conditions while other plant species require bright sunlight? |
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Definition
A) Different species of plants produce different types of pigment molecules that utilize different wavelengths of light.
B) Different species of plants have leaves that are shaped differently.
C) Some species of plants are able to produce sugar without ever having been exposed to sunlight.
D) Some species of plants are consumers and do not need sunlight.
***E) All of the above choices are correct. |
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