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| Carbon compounds that come from living organisms are called ________ compounds. |
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| What are the basic building blocks of proteins? |
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| Diffusion continues until there is no _________. |
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| Brownian motion is evidence of _________. |
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Definition
| random motion of molecules |
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| Which of the images in Figure 6-4 depicts dynamic equilibrium? |
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| Which of the following organisms do not have cell walls? |
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Definition
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| All living things are made up of __________. |
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| If a cell contains a nucleus, it must be a(n) __________. |
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| The fluid mosaic model describes a structure with ___________. |
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Definition
| polar layers on the outside and nonpolar layer on the inside. |
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| Which structure in Figure 7-6 is the cell control center? |
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| Which structure in Figure 7-6 maintains homeostasis? |
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| Which structure in Figure 7-6 is responsible for chemical reactions? |
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| Which structure in Figure 7-6 transforms energy? |
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| Which structure in Figure 7-6 sorts and transports? |
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| Which parts of Figure 7-6 are in a prokaryotic cell? |
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| Water moves into a cell placed in a(n) __________ solution. |
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| Water moves out of a cell if the cell is placed in a(n) ____________ solution. |
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| If cells are placed in a strong sugar solution, water will ___________. |
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Definition
| pass from the cells to the sugar solution |
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| A cell moves particles from a region of lesser concentration to a region of greater concentration by ___________. |
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| The structure most responsible for maintaining cell homeostasis is the __________. |
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| A gene is a segment of DNA that controls the production of ___________. |
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| The longest phase of the cell cycle is _____________. |
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| Which conditions shown in Figure 8-4 might cause a cell to burst? |
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| The chromosomes shown in Figure 8-6 are in which state of mitosis? |
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| The main energy-trapping molecule in plants is __________. |
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| Energy is released from ATP when the bond is broken between _____________. |
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| Organisms need a way of storing energy because _________________. |
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Definition
| a cell can't always immediately use all the energy it gets. |
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| Which of the following equations best represents photosynthesis? |
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Term
| Leaves appear green because the green portion of the light that strikes them is __________. |
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| Which of the diagrams in Figure 9-2 best show how energy is produced in a cell? |
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| When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome. __________- occurs. |
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| The _____________ produced by each parent are shown alon gthe sides of a Punnett square. |
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| A useful device for predicting the possible offspring of crosses between different genotypes is the ____________. |
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| Which of the following describes an organism that has the genotype Bb? |
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| The passing on of traits from parents to offspring is called ____________. |
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| Cells containing two alleles for each trait are described as __________-. |
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Definition
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| The gamete that contains genes contributed only the mother is ___________. |
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| A couple has two children, both of whom are boys. What is the chance that the parents' next child will be a boy? |
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Definition
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| A dog's phenotype can be determined by _____________. |
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Definition
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| A female guinea pig homozygous dominant for black fur color is mated with a male homozygous for white fur color. In a litter of eight offspring, there would probably be ____________. |
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Definition
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| Genes located on homologous chromosomes may have alternate forms that control different forms of a trait. These alternate forms of a gene are called____________. |
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| In mink, brown fur color is dominant to silver-blue fur color. If a homozygous brown mink is mated with a silver=.-blue mink and 8 offspring are produced, how many would be expected to be silver-blue? |
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Definition
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Term
| Which one of the following nucleotide pair bonds would be found in a DNA molecule? |
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Definition
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| The bckbone of a DNA molecule is made of which two components? |
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Definition
| phosphate molecules and deoxyribose sugars |
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Term
| Watson and Crick were the first to suggest that DNA is ____________. |
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Definition
| the shape of a double helix |
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Term
| Which of the following would be least likely to happen as a result of a mutation in a person's skin cells? |
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Definition
| the person's offspring have mutated skin |
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| The pairing of ______________ in DNA is the key feature that allows DNA to be copied. |
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Definition
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| The process by which a DNA molecule is copied is called ______________. |
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| A DNA segment is changed from AATTAG to AAATAG. This is a _____________. |
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Definition
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| A DNA segment is changed from AATTAGAAATAG to ATTAGAAATAG. This is a ________________. |
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