生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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most bird species that are capable of flight weigh less than a kilogram…
A. mute swan, which has an average mass of 11.9 kg. B. Andean condor, which has an average mass below 10 kg. C. Somali ostrich, which has a higher average mass than the dwarf cass…
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explore: the diagram below shows an energy pyramid. 1. what do you thin…
1. It represents the flow of energy through different trophic levels in an ecosystem, with producers at the base and successive levels of consumers above. 2. The size of the level…
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natural selection: the process complete this word - fill to summarize t…
1. variation 2. mutations 3. sexually 4. competition 5. mates 6. adapted 7. environment 8. reproduce 9. traits 10. die 11. pass 12. selection 13. fittest
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if an astronaut on the international space station harms another astron…
False
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nisha has been a journalist all her life, mostly covering space mission…
space publishing
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natural selection: darwin answer these questions based on what you have…
1. HMS Beagle 2. Finches 3. 1858 4. Alfred Russel Wallace
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what issue can complicate the work of space lawyers? it is still somewh…
It is still somewhat unclear where airspace ends and outer space begins.
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question 11 1 pts each beaker below shows a red blood cell in an enviro…
A. The cells have swollen due to a hypotonic external solution B. The cells stay the same due to an isotonic external solution C. The cells have shrunk in response to a hypertonic…
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high - reward flowers that produce nectar with relatively high sugar co…
A. Hummingbirds consistently prefer plant species whose flowers have physical traits that are compatible with their bills but offer relatively low nectar rewards.
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how many copies of a gene does each chromosome carry? a) 1 b) 2 c) 3 d)…
A. 1
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missing a word in a sentence is like a a) mutation b) extra chromosome …
A. mutation
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food webs show multiple overlapping food chains and shows who eats what…
Grasses: Producer Mouse: Omnivore Snake: Carnivore Wolf: Carnivore Grasshopper: Herbivore Bird: Omnivore Owl: Carnivore Nuts and Berries: Producer
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evolution: when did it occur? life began on earth approximately 3.5 bil…
3500000000 Dogs, cats, fish, birds (answers may vary)
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a segment of dna is a a) trait b) gene c) cell d) model
B. gene
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question 1 1 pts which of the following statements about phospholipids …
They contain three fatty acids chains
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high - reward flowers that produce nectar with relatively high sugar co…
A. Hummingbirds consistently prefer plant species whose flowers have physical traits that are compatible with their bills but offer relatively low nectar rewards.
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mutations cause changes in _. a) elements b) proteins c) compounds d) e…
B) proteins
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all energy for all living things on earth (for all plants and animals) …
Sun
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question 2 in a lipid bilayer, ________ fatty acid tails face each othe…
Question 2: C. Hydrophobic Question 3: D. They are inflexible Question 4: B. Exocytosis
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most mutations occur randomly. true false
True
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aurora has a cell phone plan that charges $65 for phone service plus $1…
4
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what happened when the cell was surrounded by a hypotonic solution? the…
Water moved into the cell, causing it to swell.
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peoples attitudes toward lord dunmores proclamation and other events of…
through letters and word - of - mouth through church sermons and large meetings through newspapers and pamphlets
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which of the following is not part of a chromosome? a) proteins b) cell…
B. cell
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question 5 which molecule is least likely to cross a cellular membrane …
- Question 5: Potassium ion - Question 6: Small, hydrophobic molecules - Question 7: Membrane potential
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question 8 what is the passive movement of water along a concentration …
- Question 8: C. Osmosis - Question 9: B. Hypertonic - Question 10: C. Isotonic
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a ____ is part of the dna code on a chromosome. a) gene b) genotype c) …
A. gene
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question 11 1 pts each beaker below shows a red blood cell in a differe…
- If the cell stays the same: The cells stay the same due to an isotonic external solution - If the cell has swollen: The cells have swollen due to a hypotonic external solution -…
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look at the diagram above. what is part of the archs anatomy is (a) lab…
c. keystone
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question 12 what process halts the net movement of water from a hypoton…
Question 12: Turgor pressure Question 13: A transmembrane protein Question 14: Transport proteins
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question 4 2 pts the allele for white hair in mice is autosomal recessi…
D. bb only ### Question 5
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which of the following describes the direction of water movement in the…
C. From an area of lower solute concentration to an area of higher solute concentration D. From an area of higher water concentration to an area of lower water concentration
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diffusion of sodium (na+) across the membrane requires help from a prot…
charged
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name: emitor pamela a. matching definitions directions: write the lette…
1. a. photocopy 2. c. photon 3. e. telephoto 4. d. photosynthesis 5. b. photograph 6. j. illogical 7. h. imbalance 8. f. incapable 9. g. ineligible 10. i. illiterate 11. b. origin…
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refer to the u - tube pictures above when answering the questions below…
1. The membrane is selectively - permeable; water can cross but sugar molecules cannot. 2. Both are selectively - permeable, allowing water but restricting large molecules. 3. Wat…
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c. synonyms directions: choose the synonym for each word below. 16. inc…
16. b. unable 17. a. unsuitable 18. b. disproportion 19. a. uneducated 20. a. absurd 21. b. photograph 22. b. photograph 23. b. photon 24. a. imbalance 25. a. photocopy 26. b. ill…
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question if oxygen concentration is higher in the interstitial fluid th…
Into the cell, down its concentration gradient
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the table shows the proportional relationship between a hedgehogs weigh…
-3.45
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solution a, we would expect no change in the cells, because solution a …
1. isotonic 2. leave; osmosis 3. hypotonic; Water; burst; cell wall
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tonicity and osmosis key: solute particle • cell membrane ----- cell wa…
Part II - 2: decreases; water Part II - 3: B; A; isotonic; isotonic; isotonic Part III - 1: isotonic
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in the blood and distilled water solution, why did blood become clear? …
First question: C. Because distilled water is hypotonic, the cells burst and no longer block light passing through the fluid. Second question: A. The cells exchanged water with th…
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in the blood and 10% nacl solution, what happened to the cells to cause…
1. D. Due to the hypertonic solution, water left the cells. 2. A. Since the solution is isotonic, there was no net movement of water.
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question what happened to the cell to cause it to swell? due to the hyp…
Due to the hypotonic solution, water is entering the cell.
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tonicity and osmosis key: solute particle • cell membrane ----- cell wa…
Part II - 1: hypertonic; solutes; hypotonic Part II - 2: decreases; water Part II - 3: B; A; isotonic; isotonic; isotonic Part III - 1: isotonic
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tonicity and osmosis key: solute particle • cell membrane ------- cell …
A solvent A solute A solution Osmosis
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one type of active transport is called the ______________ pump which he…
One type of active transport is called the sodium - potassium pump which helps muscle cells contract. This pump uses ATP to move ions against the concentration gradient. The prote…
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match the description or picture with the osmotic condition: a. isotoni…
solution with a lower solute concentration - C. Hypotonic solution in which the solute concentration is the same - A. Isotonic condition plant cells require - C. Hypotonic conditi…
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define osmosis. in which direction does water move across membranes, up…
Osmosis is the diffusion of water across a semi - permeable membrane. Water moves down the concentration gradient.
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1. which of the following is an example of poor accessibility? low ligh…
1. Clothing stored out of reach 2. To identify all external risk factors that might cause a fall. 3. During transitions 4. A chair
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38. who was nelson mandela? provide at least 2 facts about him. (2 pts …
38. Nelson Mandela was a South - African anti - apartheid revolutionary and the first black President of South Africa (1994 - 1999). He was imprisoned for 27 years for opposing ap…
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multiple choice question what is the final electron acceptor in the ele…
B. Oxygen
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correctly color code and identify the name for each part of the cell me…
1. G 2. I 3. C, E 4. F 5. A 6. B
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multiple choice question what pathway of aerobic respiration is shown i…
the electron transport chain
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the ____ established by the electron transport chain powers the product…
C. proton gradient
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38. who was nelson mandela? provide at least 2 facts about him. (2 pts …
1. He was a South - African anti - apartheid revolutionary. 2. He was South Africa's first black president in 1994.
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the life cycle of a butterfly butterflies go through a process called m…
C. The butterfly's life cycle has four stages and involves a process of metamorphosis.
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matching question match the aerobic respiration step with the correct l…
- Electron transport in eukaryotes: Inner mitochondrial membrane - Electron transport in prokaryotes: Cell membrane - Krebs cycle in eukaryotes: Mitochondrial matrix - Krebs cycle…
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in osmosis, if a membrane separates two solutions, liquid will tend to …
The water, having a stronger concentration, moves inside the tea bag.
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part 1: use the definitions of the root words to determine the definiti…
Part 1: zoo = animals, logy = study of, Zoology = the study of animals trans = across, port = carry, Transport = to carry across micro = small, scope = instrument for viewing, Mic…
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is this statement true or false? in a convection cell, cold dense mater…
false
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what is necessary for a convection cell to be set up in a fluid? o ther…
thermal gradient and changes in density
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which conclusions can be made from the graph? (select all that apply.) …
Cranial capacity has increased over time. Today, cranial capacity is about 1,400 mL.
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2. if someone adds thousands of small fish to a lake, how would the num…
The number of big fish would increase.
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based on the graph, what is the approximate number of bacteria after 16…
60 bacteria
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cell reproduction there are two kinds of cell reproduction, mitosis and…
meiosis
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latinos and latinas in the united states individual cultural contributi…
Sonia Sotomayor
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is eating meat good for you? humans have been eating meat throughout th…
D. a healthy diet includes both animal and plant foods.
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read the sentence. eliana rodriguez who teaches biology is my favorite …
Eliana Rodriguez, who teaches biology, is my favorite teacher because she gives engaging lectures.
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nutritious and contains vitamin b12 which is not found in any plant foo…
B. An animal or person who eats both plant and animal foods.
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question 7 which biome is characterized by dry regions with high temper…
A. desert
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what is the primary role of the ozone layer in earth’s atmosphere? a to…
B. to shield against harmful UV rays
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which is the best use of punctuation? the industrial revolution (a peri…
The Industrial Revolution (a period between 1750 and 1850) brought many changes to manufacturing.
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a man - made world event that would affect the labor market would be a(…
C. war
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a war begins between two countries, causing a need for thousands of new…
C. World event
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in order to identify victims of earthquakes, the dna database _____. co…
would need the identities and profiles of possible victims
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during the second industrial revolution, which system of production dom…
B. a system in which products were made rapidly by machines
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why is the theory of abiogenesis just another example of the idea of sp…
They both propose life emerging from non - living matter, though abiogenesis is a more scientifically based modern concept while spontaneous generation was a pre - scientific one.
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using the codis database in dna profiling is one of the best sources of…
a person's DNA profile is unique to only that person and found in every cell of the body, some of which are often found at the scene of the crime
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the science of genomics does not investigate: which genes cause the los…
the mistakes made during the analysis of DNA samples
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why does the story of spontaneous generation illustrate the limitations…
The story of spontaneous generation illustrates the limitations of science because it was a widely - held belief for a long time due to the lack of advanced microscopy to observe …
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if you know how to think critically and have excellent problem - solvin…
B. thinking skills
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if you have excellent reading, writing, and scientific literacy skills,…
D. basic skills
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what objects would not furnish dna for identification? ○ a toothbrush u…
D. food found in the victim's refrigerator
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the chromosomes and genes in your feet are identical with those in your…
True
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geology is the study of the biological, chemical, and physical history …
the study of something
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on the clavicle, the _____________ articulates with the manubrium. answ…
C. sternal end
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the u.s. appeals court has decided that it is not an invasion of a susp…
True
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on the clavicle, the ____________ articulates with the manubrium. answe…
B. sternal end
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explain each 1. parasitism between toxoplasma gondii and mice: the para…
- Symbiosis: A close and long - term biological interaction between different organisms, like Toxoplasma gondii with its hosts. - Predation: The act of one organism (cat) hunting …
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compared to the axial skeleton, which of the following is not a functio…
C. Protecting abdominal and thoracic organs
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which sentence is the best hook for a speech about saving sea turtles? …
Sea turtles have populated Earth's oceans for more than 100 million years.
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read the excerpt from \a genetics of justice\ by julia alvarez. during …
The author's parents were afraid to discuss murders or events in the Dominican Republic.
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dna evidence that is old or in poor condition can sometimes be salvaged…
PCR amplification
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toxoplasmosis: a cause for concern? toxoplasmosis is a disease caused b…
1. Parasitism between Toxoplasma gondii and mice: The parasite infects mice, altering their behavior to increase the chance of being eaten by cats, which benefits the parasite's l…
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living and non - living things. identify which of the following charact…
1. share a universal genetic code: Y 2. are able to make their own food: N 3. are made of one or more cells: Y 4. must use the energy from something else: Y 5. are able to respond…
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8. a bee feeds off the nectar of a sunflower. while feeding, pollen fro…
This is an example of pollination by bees.
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9. the cell membrane contains molecules that function together as a bar…
A. carbohydrate molecules: act as small channels for substances to enter and exit the cell
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12. what group of elements accounts for more than 98% of the human body…
12. A. Carbon, hydrogen, oxygen, nitrogen 13. A. Decomposition reaction 14. B. Compounds that ionize in water 15. B. Water 16. B. The lower the whole number on the scale, the grea…
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where is the weakest point of the clavicle? answer in the middle where …
A. In the middle where the two curves meet
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21) blood is classified as which type of evidence? a) direct b) physica…
21) d) Biological 22) b) Secure 23) d) Location of contact 24) d) After every collection/handling 25) d) Fingerprints, footprints, soil 26) b) False 27) c) Checkered stocks