A few days ago I took a biology quiz.. and this is the result..
Alfonso eats a blueberry bagel for breakfast. Which of the following correctly traces the energy he received back to the sun?
| • | heterotroph -> heterotroph -> SUN | | • | human -> heteroroph -> SUN | | • | heterotroph -> autotroph -> wheat -> SUN | | • | heterotroph -> autotroph-> SUN (correct answer, your response) | Points earned: 1 out of 1
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An analogy: organ is to human as ________ is to bacteria.
| • | Nucleus | | • | Deoxyribonucleic Acid | | • | Organelle (correct answer, your response) | | • | subatomic particles | | • | atoms | Points earned: 1 out of 1
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Ionic bonds are formed by two molecules that
| • | Have opposite net charges (correct answer, your response) | | • | Share one or more electrons | | • | contain the element Ion | Points earned: 1 out of 1
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A happy little tree living in a Bob Ross painting. As the sun sets behind the mountains, which of the following process changes will occur in the tree's happy little cells?
| • | The light-dependent reaction will cease, and the light independent reaction will continue. (correct answer, your response) | | • | The light-dependent reaction will start, and the light-independent reaction will cease. | | • | The light-dependent reaction will cease, and the light-independent reaction will start. | | • | The chlorophyll retreats back into the stem, the leaves change color, and fall. | | • | That is an amazing painting if the sun can move. | Points earned: 1 out of 1
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Jupiter's moon Europa is one of our solar system;s possibilities for extraterrestrial life. Water may exist to sustain life, but under miles of ice, and the moon is 5 times the distance from the sun as the Earth. If there is life, what method have we discussed that it may use to obtain energy?
| • | photosynthesis | | • | aerobic respiration | | • | carbohydrate conflagration | | • | chemoautotropism (correct answer, your response)
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A chromosome is made up of _____ and forms only _____.
| • | protein, in sperm cells | | • | protein, in photosynthetic cells | | • | DNA, in the cytoplasm | | • | DNA and protein, during cell division (correct answer, your response) | Points earned: 1 out of 1
| | | Which of the following are nonliving?
| • | Organelle | | • | element | | • | chlorophyll | | • | oligosaccharide | | • | all of these (correct answer, your response) | Points earned: 1 out of 1
| | | Which of the following is more liquid than solid at room temperature?
| • | waxes | | • | unsaturated fat (correct answer, your response) | | • | saturated fat | | • | triglyceride | Points earned: 1 out of 1
| | | Why?
| • | Hydrogens have been stripped from the molecule | | • | Hydrogens are attached at each possible location | | • | Carbon-carbon double bonds prevent hydrogen from attaching at each location (correct answer, your response) | | • | Heat causes the hydrogen bonds to weaken | Points earned: 1 out of 1
| | | A somatic cell's chromosome count is always
| • | 23 | | • | 23 pairs (correct answer, your response) | | • | 46 pairs | | • | Answers A and B | Points earned: 1 out of 1
| | | Why?
| • | Somatic cells are used in sexual reproduction | | • | Somatic cells are NOT used in sexual reproduction | | • | Somatic cells undergo Mitosis and not Meiosis | | • | Answers B & C (correct answer, your response) | Points earned: 1 out of 1
| | | Order the process of protein synthesis.
| • | transcription, translation | | • | DNA, ribosome, mRNA, tRNA, codon, amino acid, protein | | • | DNA, mRNA, tRNA, protein | | • | A&B | | • | A&C (correct answer, your response) | Points earned: 1 out of 1
| | | Match the following DNA base pairs with mRNA base pairs: (DNA-mRNA)
| • | G-C A-U T-A C-G (correct answer, your response) | | • | C-G U-A T-A C-G | | • | G-C U-T T-A C-G | | • | C-G T-U A-U G-C | | • | NONE are correct | Points earned: 1 out of 1
| | | Long term storage of energy is best provided by
| • | ATP | | • | proteins | | • | polysaccharides | | • | triglycerides (correct answer, your response) | | • | monosaccharides | Points earned: 1 out of 1
| | | Prior to fertilization, the sperm and egg are referred to as ____, and after, they are called a ____.
| • | somatic cell, daughter cell | | • | germ cells, daughter cell | | • | gametes, zygote (correct answer, your response) | | • | gametes, alleles | | • | germ cells, somatic cells | Points earned: 1 out of 1
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