Essay about Biology: Cell Respiration and C. Chromatin B.

Term: ________________________ Course: ___________________ Date: __________

IDENTIFICATION: A

GENERAL BIOLOGY PRACTICE MIDTERM CHECK 2010-2011

Multiple Choice: Recognize the choice that completes the statement or answers the question. ____ 1 . The work of scientists usually begins which has a. testing a hypothesis. w. careful findings.

c. g.

creating experiments. drawing findings.

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installment payments on your What is the definition of for all parts of Earth lived on by living things? a. populace b. ecosystem c. biosphere d. environment 3. Which in turn of the subsequent are likely subject areas in a biology course? a. Why does the Texas horned lizard apply blood away of their eyes? b. How can be described as banded pipefish able to cover in its environment of seaweeds? c. What chemicals cause plant stems to extend or flowers to bloom? d. Most of these. 4. Life do all the following apart from a. help to make adjustments to nonliving elements around them. b. maintain a stable internal environment. c. react to other organisms. d. go an identical innate code for their offspring for several generations. a few. Students in a biology category ran a great experiment over a type of flowering plant. Their very own goal was to find the perfect time in the plant's lifestyle for its heyday. What period of time will provide the most flowering plants? Use Stand 1-1 to ascertain your solution.

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Stand 1-1 Time 2 four 6 eight 10 a. b. some days six days Volume of Plants Blooming 6 doze 18 22 8 c. d. eight days 10 days

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Identity: ________________________ ____ 6. The three particles that comprise atoms certainly are a. protons, neutrons, and isotopes. b. neutrons, isotopes, and electrons.

IDENTITY: A

c. d.

advantages, negatives, and electrons. protons, neutrons, and electrons. chemical substance crystal

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7. Which term would not apply to sodium chloride? a. molecule c. b. ionic bonding d.

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8. In a water molecule, distributed electrons spend more time around the air atom than the hydrogen atoms. As a result, the oxygen atom is a. a bit negative. c. slightly positive. b. incredibly negative. d. very great. 9. Cougars are predators that often consume weakened or diseased animals. This is some of the ____ of cougars. a. habitat c. specific niche market b. community d. none of these

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Figure 2-1 ____ 10. Referring to Figure 2-1, the coyotes will be considered ____. a. herbivores c. autotroph b. carnivores d. decomposers ____ 10. The space surrounding the center of an atom contains a. protons. b. electrons. c. neutrons. deb. ions. ____ 12. In the event the pH of stomach acid associated with oven solution (a base) were scored, a. equally would be below 7. m. both can be above 7. c. the pH of stomach acid will be above several, but the pH of oven cleaner would be below several. d. the pH of stomach acid would be below six, but the ph level of the oven cleaner can be above several.

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Identity: ________________________ ____ 13. Nutrients affect the reactions in living cells by lowering the a. active site strength of the effect. b. velocity of the response. c. temperatures of the reaction. d. service energy in the reaction.

IDENTIFICATION: A

____ 14. The plasma membrane layer contains stations that support move elements from one aspect to the other. What are these types of channels made from? a. carbohydrates b. lipids c. nucleic acids d. proteins ____ 15. Which cell composition contains the cell's genetic material? a. organelle b. nucleus c. cell envelope m. cytoplasm ____ 16. One isotope of carbon may differ from one more in which way? a. atomic number c. number of neutrons b. number of electrons d. number of protons ____ 18. Which is among the a reaction? a. snow melting b. iron rusting and corroding ____ 18. Which of the following include a nucleus? a. prokaryotes b. bacteria c. d. c. d. glucose dissolving in water normal water evaporating eukaryotes organelles

____ 19. Which in turn of the pursuing is CERTAINLY NOT found in the nucleus? a. cytoplasm c. chromatin m. nucleolus d. DNA ____ 20. Which in turn of the pursuing structures is found in the cytoplasm? a. nucleolus c. chromatin b. ribosome d. cellular wall ____ 21. Which will organelles support...

Biology Issue Paper Originate Cells