Biology
Cell biology, genetics, ecology, and life science fundamentals.
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to observe diffusion across a semipermeable membrane, we will use dialy…
a) Water and potassium iodide
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experiments, occasionally a major discovery happens in a more fortuitou…
pressing need
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which type of bacteria stain pink during gram - staining? gram - positi…
Gram - negative bacteria
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which best describes lenins new economic policy, established in 1921? i…
It temporarily allowed some private ownership of land in the Soviet Union.
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soldiers died needlessly from bacterial infections, fleming recognized …
None of the provided options are correct. The meaning of "exigency" here is an urgent need.
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select the text from the paragraph that best helps you understand that …
"this reduces joint inflammation, relieving pain and preventing further damage"
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under lenin, some of the leaders of the communist government privately …
privately disagreed with the direction of the revolution.
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modern research, however, indicates that gold does have some well - fou…
to ease or lessen
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4th grade pltw quiz organisms: structure and function write the letter …
characteristic: b evidence: d living thing: c organism: c
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joint and lung disease, apparently considering gold a sort of panacea. …
cure-all
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chapter 13: adaptation and sp... > facing a warmer future la reserva h …
The two Santa Cruz tortoise populations are likely the same species.
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chapter 1 review questions multiple choice 1. all of the following are …
1. d. scuba 2. d. variables 3. b. It is a testable statement. 4. a. induction 5. b. Hypotheses might be supported or not supported by data when tested. 6. c. Models are approximat…
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4th grade pltw quiz organisms: structure and function write the letter …
- characteristic: b - evidence: d - living thing: c - organism: c - 1. respond to stimuli - 2. breathe - 3. reproduce - 4. grow - 5. excrete - 6. consume
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pretest: unit 1 question 7 of 20 why might a character experience inter…
B. The character might have to make a difficult choice.
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match the reproductive isolation mechanisms that can result in allopatr…
A large mountain range between two populations: Allopatric speciation A different ritual dance before mating: Sympatric speciation A population awake at night and the other awake …
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multiple - choice question which of the following is not a function of …
source of energy
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question which of the following reproductive isolating mechanisms preve…
C. mechanical isolation
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pretest: unit 1 question 5 of 20 which option is an example of dramatic…
D. A woman is kidnapped by a monster. The audience knows he is a prince; she does not.
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macromolecules and enzymes study guide 1. what’s the difference between…
1. A monomer is a single molecule, while a polymer is a large molecule made of repeating monomers. 2. Carbon, hydrogen, oxygen. 3. Carbohydrates. 4. Monosaccharides. 5. Sucrose. 6…
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question speciation due to the geographic separation of two populations…
B. allopatric; ecological
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question which of the following is an example of coevolution? select an…
D. The long beak of hummingbirds is well adapted for feeding on plants with long, tubular flowers.
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question when two populations are reproductively isolated, what else mu…
B. genetic divergence
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fill out the table for each of the following as they relate to the foss…
| Vocabulary | Definition | |--|--| | Gradualism | The theory that species evolve slowly and steadily over time. | | Punctuated Equilibrium | The theory that evolution occurs in s…
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lecture exam 1 (ch 17 - 21) - requires respondus lockdown browser + web…
False
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multiple - choice question the monomer of proteins is - nucleotides ami…
B. amino acids
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with a patient that is administered an injection of erythropoietin (epo…
increased hematocrit
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question according to the accepted scientific definition, a ____ is a g…
A. species; reproductively isolated
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question which of the following terms describes traits that are inherit…
A. adaptive traits
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a lender estimates the closing costs on a home loan will be 3.75% of th…
d. The lender made a poor estimate; it was off by more than 0.5% of the actual closing costs.
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hispanic heritage internet scavenger hunt 1. when was hispanic heritage…
1. 1968 2. 1988 3. September 15 - October 15 4. 21 5. Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua 6. Mexico 7. Latino 8. Garcia, Rodriguez 9. California, Texas, Florid…
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staar practice during early stages of development, dolphin embryos begi…
- Two answers to eliminate: B. The genes that control the development of hind limbs are destroyed as the fetus develops; D. Dolphins are evolving to become terrestrial animals. - …
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27. which phase of mitosis follows anaphase? a. telophase b. metaphase …
a. Telophase
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26. what is the outcome when a cell detects errors during mitosis and t…
a. The cell undergoes programmed cell death to prevent potential harm.
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25. what role do aquaporins play in the cell membrane? a. they allow wa…
a. They allow water molecules to pass through the membrane.
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1. define: chromosome: _
A chromosome is a thread - like structure in the cell nucleus composed of DNA and proteins, carrying genetic information in genes.
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24. what function do vacuoles serve in plant cells? a. storing water, n…
a. Storing water, nutrients, and waste
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what are three main functions of lipids? (choose 3 answers) insulation …
insulation, long - term energy storage, form cell membranes
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23. what happens to pyruvate after glycolysis if oxygen is present? a. …
d. It is transported into the mitochondrion to enter the Citric Acid Cycle.
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22 what is the function of the proteins embedded in the cell membrane? …
c. To facilitate the transport of molecules across the membrane
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what are three main functions of lipids? (choose 3 answers) insulation …
insulation, long - term energy storage
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21. why is mitosis crucial during development? a. it creates genetic va…
b. It ensures that cells divide correctly to form tissues and organs.
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20. what is the significance of meiosis in the context of evolution? a.…
c. It increases genetic diversity, allowing species to adapt and evolve
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where did the industrial revolution begin in the late 1700s? o englands…
England's textile industry
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19. what is the primary function of photosynthesis? a. to convert light…
a. To convert light energy into chemical energy in the form of glucose
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which of the following best describes the significance of the telegraph…
People could communicate instantly over great distances.
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18. how does glycolysis contribute to cellular respiration? a. it break…
A. It breaks down glucose into pyruvate and generates a small amount of ATP.
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17. which of the following scenarios exemplifies a negative feedback lo…
d. Insulin release to lower blood sugar levels
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16. what is endocytosis? a. the process of the cell membrane engulfing …
a. The process of the cell membrane engulfing external material to form a vesicle
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15. what structural feature of the cell membrane allows it to be select…
C. The presence of channels and pores
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14. which of the following is an example of a positive feedback loop? a…
d. Blood clotting after an injury
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a molecule that doesnt like water, like most lipids, is called - hydrop…
hydrophobic
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13. how does aneuploidy arise from mitosis failure? a. by an unequal di…
a. By an unequal distribution of chromosomes between daughter cells
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what do all the statements in the box have in common? the states enacte…
They are examples of a new sense of social equality that came out of the American Revolution.
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12. what pigment is primarily responsible for capturing light energy du…
a. Chlorophyll
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11. which process follows glycolysis in the absence of oxygen? a. photo…
b. Fermentation
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use the following diagram to answer questions 19 and 20. a preserved sh…
C. blind spot and choroid layer
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10. what happens during osmosis in the context of homeostasis? a. prote…
c. Water moves across a semi - permeable membrane to balance concentrations.
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9. in which structure of the chloroplast do the light - independent rea…
c. Stroma
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compare table 3.4 with table 3.6. sugars are an immediate energy source…
Is glucose stored as starch in the potato? Yes Is glucose stored as starch in the onion? No Does this explain your results in Table 3.6? It may explain differences in sugar - star…
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8. what is the significance of the citric acid cycle in cellular respir…
a. It generates NADH and FADH2 for the Electron Transport Chain.
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multiple - choice question which of the following are lipids? (select a…
A. fats C. oils
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17. the white structure visible is the optic nerve. does the optic nerv…
1. No 2. B. choroid and the vitreous humour
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7. what does the term \semi - permeable\ mean in relation to the cell m…
a. It allows some substances to pass through while blocking others.
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6. what does the mitochondria do within the cell? a. produces energy (a…
a. Produces energy (ATP) through cellular respiration.
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5. which condition can result from a cell gaining an extra chromosome 2…
c. Down syndrome
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4. what is the role of atp in cellular processes? a. it breaks down glu…
b. It acts as the energy currency of the cell.
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3. what role do lysosomes play within the cell? a. they synthesize prot…
b. They break down cellular waste and debris.
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2. what are the products of photosynthesis? a. carbon dioxide and water…
d. Glucose and oxygen
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1. what is the role of the cell membrane in maintaining homeostasis? a.…
b. It controls the entry and exit of substances, maintaining the internal balance of the cell.
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document 1: background & rise of the tokugawa during the 1500s, power w…
5. Power was decentralized and there was warfare between competing daimyo. 6. Suspicion of foreign intervention and colonialism; to prevent damage from foreign influence. 7. Diffe…
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multiple - choice question what are the 3 main functions of carbohydrat…
1. quick source of energy 2. provide cellular support as cell walls 3. short - term energy storage
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multiple - choice question a polysaccharide is a ______ carbohydrate. s…
C. big
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which is not an example of disturbances that could trigger secondary su…
1. C. Volcanic lava flow 2. It creates new habitats over time, increasing species richness and diversity as different species colonize at various successional stages. 3. After a d…
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multiple - choice question another name for a carbohydrate is a - trigl…
B. polysaccharide
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several people confuse toads for frogs because they are very similar, b…
Part A: C. Frogs and toads eat the same prey Part B: D. Frogs and toads both enjoy eating bugs by sticking out their long tongues to catch their prey What is one way frogs and toa…
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3. describe the structure of a chloroplast and its function inside of a…
Chloroplasts have a double - membrane. Inner membrane encloses stroma with thylakoid - grana structures. Chlorophyll is in thylakoid membranes. Function is photosynthesis to conve…
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the cell walls of plants are composed of the carbohydrate ______, while…
Cellulose, Chitin
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which type of succession happens after a fire in a forest? * primary se…
1. B. Secondary 2. D. Lichens and moss
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this organelle is the trash and recycling center of a cell. chloroplast…
B. Lysosome
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multiple - choice question what is the monomer of carbohydrates? □ fatt…
C. monosaccharide
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multiple - choice question what is the monomer of carbohydrates? fatty …
C. monosaccharide
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which of these organelles do animal cells not have? chloroplasts lysoso…
A. Chloroplasts
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question 2 of 10 which of the following statements is true about german…
C. U - boat warfare was the German response to the British blockade.
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the judicial branch tutorial - out - of - court settlement (ocs) where …
- agreement may be less favorable than trial outcome: disadvantage of mediation - more efficient than trial: advantage of mediation - not designed for fairness or uncovering all f…
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which is more elaborate? something ornate something decorated
something ornate
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hugh bennett took his time giving his speech to the senate subcommittee…
10. A dust - storm to convince senators of the need for a Soil Conservation Service. 11. Because dust - storms are destructive. 12. "the sky began to fill with grit and dust blown…
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hugh bennett took his time giving his speech to the senate subcommittee…
10. A dust - storm. 11. Because dust - storms are destructive. 12. "the sky began to fill with grit and dust blown hundreds of miles by the wind" 13. Oklahoma was suffering from s…
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use the following information to answer questions 15 to 17. a preserved…
C. left and move slightly downward
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this organelle is where plants do photosynthesis. chloroplast vacuole l…
A. Chloroplast
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short answer: 1. why would plant cells need to have large vacuoles in c…
Plant cells need large vacuoles for water storage to maintain turgor pressure, nutrient and waste storage, and for cell - growth and expansion purposes.
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if an approaching train is near enough to be a danger, you must: a. cro…
B. FIND AN ALTERNATIVE ROUTE ACROSS TRACKS
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which part of an onion root cell gives it a brick - like structure? vac…
C. Cell wall
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a is considered a cheater because it pairs with u in rna and t in dna f…
False
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3 tries left inbound international tourism is classified as _________. …
visits to a country by nonresidents of that country
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this organelle is often referred to as the power house of the cell. chl…
D. Mitochondria
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3 tries left the leading international organization in the field of tra…
C. United Nations World Tourism Organization (UNWTO)
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an amino acid chain is also known as a polypeptide chain because it has…
True
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compare how nutrients move through ecosystems versus how energy moves. …
Nutrients cycle, while energy flows in one - direction and is lost as heat at each trophic level.
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what attitude did the people of the united states share after the ameri…
They remained suspicious of a strong central government.
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which one is not an example of a producer? * grass oak tree wolf algae …
1. C. Wolf 2. B. Primary consumer 3. The carbon cycle is essential for life because carbon is a fundamental building - block of organic molecules necessary for the structure, func…