生物
细胞生物学、遗传学、生态学与生命科学基础。
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how does the image of buddha tend to vary from statue to statue? some h…
A. Some have extended earlobes, whereas others do not. B. The eyes of Buddha can be wide open or half closed. C. The Buddha's hands can be placed in a variety of positions. D. Som…
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ing thing that can carry out life processes independently. ecosystem at…
organism
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39. which design lines are repeating lines in a hairstyle that can be c…
39. c. parallel lines 40. b. crown 41. b. form 42. d. Diagonal 43. c. Alternating lighter, warmer colors with darker, cooler colors 44. c. rhythm 45. d. straight, fine
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a group of organs that can work together to perform body functions. pop…
organ system
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an example of an organ system is... respiratory lungs red blood cells o…
Respiratory
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short fur is dominant over long fur in dogs. what would the phenotype o…
D. Long fur
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which story premise most clearly contains a supernatural element? a. tw…
B. Every time Evelyn writes a name in her diary, that person disappears.
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a believer in monotheism rejects prophecies. worships a single god. exp…
worships a single god.
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an example of an organ is... heart brain tissue skin cell human
Heart
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an allele for brown eyes is expressed over an allele for blue eyes. blu…
C. a recessive trait
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when a human steps out into the cold air, the body begins to shiver to …
Maintaining Homeostasis
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how many alleles does each parent contribute to their offspring for eac…
D. One
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why are the seminal vesicles important to human reproduction? a. they a…
A. They allow the sperm to be stored and help the sperm mature.
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“osmosis” refers to the movement of what substance across semipermeable…
D. Water
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ion channels in cell membranes multiple choice are nonspecific are not …
C. may open in response to binding a ligand
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co₂ is a small, non - polar molecule. it will cross the cell membrane b…
A. simple diffusion
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phylogenetics helps scientists understand the relationships between dif…
1. evolutionary 2. evolutionary change 3. common 4. morphological 5. similarities 6. historical 7. history
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substance x is a mostly polar molecule and substance y is a mostly non …
B. Substance Y will diffuse faster.
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if all other conditions remain the same and the concentration of a nonp…
Water will tend to enter the cell because the interior has an increased osmolarity.
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what is a recessive trait? a trait that is beneficial to a species a tr…
C. A trait that is only expressed when two copies of the matching allele are present
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which is true about mediated transport of substances across cell membra…
It involves a specific membrane protein that functions as a carrier molecule.
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if all other conditions remain the same and the concentration of a nonp…
Water will tend to enter the cell because the interior has an increased osmolarity.
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how do chloroplasts and mitochondria work together to meet the needs of…
Chloroplasts capture energy from sunlight and change it to chemical energy that can be stored in the cell. Mitochondria change the stored energy into a form that the cell can use.
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5. make your own food chain. it must include a producer, a herbivore, a…
5. Grass → Rabbit → Fox → Vulture → Bacteria 6. Sun → Grass → Rabbit → Fox → Wolf → Crow → Fungi 7. a. Energy, c. Matter/Nutrients
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4 which of the following statements about the na+-k+ atpase pump is fal…
It transports Na⁺ and K⁺ in a 1:1 ratio.
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by what transport mechanism does glucose enter most cells? multiple cho…
E. Facilitated diffusion
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2 which of the following is a feature that distinguishes active transpo…
E. Requirement for metabolic energy
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drag each label to the correct location. match the reproductive structu…
- Eggs: Female gamete, produced in ovaries - Ovary: Site where female gametes are produced - Sperm: Male gamete, produced in testes - Vas deferens: Functions to transport the game…
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what will happen if a normal cell is placed in a hypotonic solution? mu…
It will swell in size.
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food chain practice instructions: construct a food - chain using the or…
Grass→Rabbit→Fox→Fungi
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joel is practicing punnett squares. based on this sample, which box did…
C. c
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test #1 - branches of science and states of matter part 1: branches of …
a. Life Science b. Physical Science c. Life Science d. Social Science e. Social Science f. Physical Science
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a class knows that cells have parts that are specialized for different …
cell membrane, cell wall, mitochondria, chloroplast, nucleus
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photosynthesis both cellular respiration reactants are carbon dioxide a…
Photosynthesis: Reactants are carbon dioxide and water, Products are glucose and oxygen. Both: A series of chemical reactions. Cellular Respiration: Reactants are glucose and oxyg…
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a student is developing models of a plant cell and an animal cell. the …
The plant cell has a cell wall that provides structure. The animal cell does not.
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an allele for brown eyes is expressed over an allele for blue eyes. whi…
C. E
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based upon your knowledge of osmosis, predict the most likely response …
B. shrink
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a student drew an animal cell to model the parts of the cell. the drawi…
cell membrane; it controls what enters and leaves the cell.
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read the article and use the information to answer the following questi…
Some adaptations include thick fur for insulation, smaller body shapes to reduce heat loss, and the capacity to migrate to more favorable areas during harsh seasons.
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to which of the following is the plasma membrane the most freely permea…
A. Small nonpolar molecules
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food chain practice instructions: construct a food chain using the orga…
1. Grass → Cricket → Spider 2. Flowers → Mouse → Snake 3. Seaweed → Fish → Bear → Vulture 4. Tree → Deer → Wolf → Fungi
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photosynthesis and cellular respiration have a unique relationship in t…
A. ATP, B. Sugar, C. Water
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4 osmosis is best defined as the net movement of multiple choice water …
water molecules across a membrane from an area of higher water concentration to an area of lower water concentration.
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what is a gene? the field of science that studies the inheritance of tr…
The most basic unit of inheritance that codes for a specific trait
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a student creates a model showing the parts of an animal cell. what is …
The nucleus controls the activities of the other parts of the cell.
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read the overview then answer the questions that follow. cholesterol is…
1. A. less 2. A. higher than normal blood cholesterol levels due to inability of peripheral cells to uptake LDLs
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section quiz 12 - 4 directions: matching. match each item in column a w…
1. E 2. A 3. B 4. C 5. D 6. A 7. A 8. C 9. B 10. C
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most of the bacterium e. coli are harmless and live in your intestines,…
$0.000002$
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the most specific type of endocytosis is _. multiple choice phagocytosi…
B. receptor - mediated endocytosis
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the first major union victory and one of the bloodiest battles of the c…
B. Antietam
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a bobtail (shortened tail) is dominant over a normal tail in dogs. what…
C. Normal tail
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required information phagocytosis and pinocytosis differ in that multip…
phagocytosis allows for the transport of larger particles than pinocytosis
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which of the following is used to connect external devices like keyboar…
1. B. USB 2. False
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question 10 (2 points) saved what intermolecular force of attraction ar…
a. Long - chain carboxylic acids with a carboxyl group and a hydrocarbon chain. b. Saturated are straight (e.g., stearic acid), unsaturated are bent (e.g., oleic acid). c. For tri…
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required information cellular products such as hormones and neurotransm…
B. exocytosis
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what is a genotype? an actual physical trait resulting from alleles the…
B. The written expression of two alleles
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required information primary and secondary active transport proteins di…
move both molecules against their gradients, while secondary active transport proteins couple the movement of an ion down its gradient with the movement of another molecule agains…
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required information read the report and answer all questions. the cell…
1. glucose concentration between the intracellular and extracellular fluid 2. decreases
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which of the following functions of living organisms can be carried out…
maintain internal homeostasis: host metabolize and use energy: host use nucleic acid (like DNA) as the genetic material: virus reproduce: host
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changes in the membrane potential, meaning the difference in charge wit…
C. voltage - gated channels
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required information simple and facilitated diffusion differ because mu…
D. facilitated diffusion requires the presence of a transport protein within the plasma membrane, while simple diffusion does not
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the directional movement of ions by facilitated diffusion through prote…
the electrochemical gradient of the ion being transported
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question 8 (1 point) what is the name of protein which is used for stru…
- Question 8: Collagen - Question 9: Glycosidic bond - Question 10: Disulfide bridges, hydrogen bonds, hydrophobic interactions, ionic bonds
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which of the following cell structures deal with the synthesis and/or p…
Golgi apparatus, rough endoplasmic reticulum, ribosomes
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a skin cell is between 0.00003 and 0.00004 meter thick. how do you writ…
$3\times10^{-5}$
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a skin cell is between 0.00003 and 0.00004 meter thick. how do you writ…
$3\times10^{-5}$
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c6h12o6 + 6o2 → 6h2o + 6co2 glucose is broken down during cellular resp…
D. water vapor
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which of the following is the most direct source of energy for symport …
The movement of one of the transported substances down its concentration gradient
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question 6 (1 point) saved what is the general name for monomers of car…
- Question 6: Monosaccharides - Question 7: all of the above - Question 8: Collagen (a common structural protein, answer may vary depending on context)
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respiration involves the breakdown of sugar. this process results in th…
A. Oxygen
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in phylogenetics, what do morphological data primarily refer to? a. dat…
1. B. Information related to the physical traits and structures of organisms 2. D. They connect nodes and represent lineages of species 3. A. More genetic divergence or evolutiona…
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18 multiple choice 1 point health maintenance organizations can: refuse…
18. refuse benefit coverage to patients if they determine retrospectively that a patient's condition did not require emergency department care even though federal law prohibits ho…
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what does convergent evolution refer to? a. no changes in species over …
1. c. Similar traits evolving independently in different lineages due to similar environmental pressures 2. c. Evolutionary relationships between species or groups of organisms 3.…
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a skin cell is between 0.00003 and 0.00004 meter thick. how do you writ…
The scientific - notation of 0.00003 is $3\times10^{-5}$. The digit 3 needs to shift 5 places from the ones place to represent 0.00003.
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which of the following is an example of an antiport transport mechanism…
Coupling of the inward movement of sodium with the outward movement of calcium
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question 5 (1 point) in human the function of glycogen is to synthesize…
Question 5: C. Keep glucose available Question 6: Monosaccharides
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2 which of the following is an example of an antiport transport mechani…
Coupling of the inward movement of sodium with the outward movement of calcium
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what is a limitation of phylogenetic analyses? a. clear ancestral recon…
1. c. Missing genetic sequences leading to inaccuracies 2. a. A common ancestor from which the species diverged 3. d. It arranges organisms based on their evolutionary relationshi…
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if youre feeling dehydrated, it is best to drink water because this is …
hypotonic, rush into
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one transport mechanism to move sugars into cells against their concent…
B. symport with sodium
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read the passage from sugar changed the world. sugar was the connection…
Economic demand for sugar led to political pressure to end enslavement.
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a skin cell is between 0.000003 and 0.000004 meter thick. how do you wr…
The scientific notation of 0.00003 is $3\times10^{-5}$. The digit 3 needs to shift 5 places from the ones place to represent 0.00003, so the answer for the multiple - choice part …
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if youre feeling dehydrated, it is best to drink because this is a(n) s…
a sports drink, isotonic, rush into
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which of the following cell structures is the permeability layer that l…
plasma membrane
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select the phrase from the drop - down menu to correctly define the wor…
animals that eat fruit for their diet
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chapter 12 section quiz 12 - 4 directions: matching match each item in …
1. E 2. B 3. A 4. C 5. D 6. A 7. A 8. C 9. B 10. C
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which of the following are types of endocytosis? correct answer(s) drag…
A. pinocytosis B. phagocytosis C. receptor - mediated endocytosis
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the agricultural revolution led to the need for organized a) government…
A. government
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which phrase is the best definition of the word citations in the second…
B. short notes recognizing sources of information
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a student performed an investigation on the homeostasis of red blood ce…
A. The red blood cells on slide II are in a state of homeostasis. B. The red blood cells depicted in slide I were likely in a hypertonic environment.
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use the image on the right to match the following phrases to the correc…
school of orange fish - Population fish, starfish, coral, plants, rocks, and water - Ecosystem starfish - Organism fish, starfish, coral, and plants - Community
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read the paragraph, then choose the word that best completes the senten…
C. examined
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the electrical gradient, created by the outflow of more positive sodium…
D. The sodium - potassium pump uses ATP to pump two potassium ions into the cell for every three sodium ions pumped out of the cell, maintaining the electrochemical and concentrat…
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one way of balancing the concentration of ions and molecules within a c…
D. phospholipid channels
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understanding human development and culture crossword puzzle use your v…
Across: 1. Neurotransmitter 6. Hemispheres 7. Myelin 10. Central Nervous System 11. Limbic System Down: 2. MRI (Magnetic Resonance Imaging) 3. Occipital Lobe 4. Nucleus 5. Cerebra…
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deep sea zones: a virtual field trip website: https://www.naturalworldf…
1. Main characteristic: Sunlight can penetrate. Nicknamed "Sunlight Zone" because it receives sunlight. 2. Primary food source: Phytoplankton. 3. Organisms: Dolphins, Tuna. 4. Sun…
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some molecules are too big to pass through the phospholipid bilayer of …
A. proteins
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q1. why do animals use lipids instead of carbohydrates as energy storin…
Question 1: Glycogen Question 2: Cellulose
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what is a difference between endocrine and exocrine glands? a. endocrin…
A. Endocrine glands secrete hormones into the bloodstream and exocrine glands secrete products into ducts.
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which of the following is not one of da vincis contributions to technol…
A. affect of the moon on tides, B. modern theory on the formations of the continents