Biology
Cell biology, genetics, ecology, and life science fundamentals.
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which best describes the connection of the cell theory to the microscop…
D. The invention of microscopes made the development of the cell theory possible.
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look at the two cells below. which structure in cell 2 corresponds to s…
A. Structure K
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if the wrong word is used below, change it. if there is no error, click…
advice
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if the wrong word is used below, change it. if there is no error, click…
The director asked Edna Krabappel for some advice about his new movie.
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an animal cell that is surrounded by fresh water will burst because the…
B. water to move into the cell.
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read the rough draft of a works cited page. works cited gregor, saul. h…
Cayman, Felicia. The Windmill Way. Topeka: Heart of America Press, 2010.
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2. no calculator: a ham is placed in a freezer. every 5 minutes, the in…
\(-12\)
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6 which type of microscope can produce three - dimensional images of a …
C. scanning electron microscope
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hox genes are regulatory genes in multicellular animals that code for t…
The body plans of complex animals are very similar to one another.
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the removal of sections of rna, called introns, occur at which regulati…
RNA processing
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in prokaryotic cells, repressor proteins bind to a section of dna calle…
operator.
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4.2.3 quiz: understand the impact of technology question 1 of 10 which …
B. Citizens are given 25 years of life to prove their worth to society; if they fail to do great things with their lives, they are eliminated.
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cell transport use the following passage and illustration to answer the…
D. The eggs would lose mass.
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what would happen if a cell transcribed and translated a genes intron b…
Additional amino acids would be inserted into the chain.
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read the rough draft of a works cited page. which error must be correct…
Book titles should be italicized.
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cell transport use the following passage and illustration to answer the…
D. The type of solution the eggs were placed in
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what is one difference between gene regulation in prokaryotes and eukar…
Prokaryotes do not store their genes in a nucleus like eukaryotes do.
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which is a reason given for preserving biodiversity? construction: help…
aesthetics (beauty): keeping the planet beautiful
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4.1.8 quiz: analyze a chapter from the world without us question 10 of …
B. Humans and nature live in a precarious balance.
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cell transport use the following passage and illustration to answer the…
A. Water enters the cell when placed in environments of high water concentration. B. Water leaves the cell when placed in environments with a low concentration of solutes.
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studying a picture of a cell taken with an electron microscope, you fin…
A. bacteria
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if you want to do your best to preserve biodiversity, what should you d…
Protect the species AND their habitat
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when a particle has to go against its concentration gradient through on…
A. Active transport, it requires energy and moves from low to high concentration.
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eyepiece objective lens magnification 10x 10x 100x 10x 40x 10x 44x 5x 1…
| Eyepiece | Objective Lens | Magnification | |--|--|--| | 10x | 10x | 100x | | 10x | 40x | 400x | | 10x | 44x | 440x | | 5x | 10x | 50x | | 5x | 40x | 200x | | 20x | 10x | 200x |
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4.1.8 quiz: analyze a chapter from the world without us question 2 of 1…
D. Humanity's impact on the world is ultimately temporary.
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after school, kai feels hungry and tired. he finds some sugar cookies i…
Natural Science: Medicine and Health A. Glucagon was secreted by his pancreas before he ate the cookies because his blood glucose was low. Insulin was secreted after he ate the co…
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what is one reason why invasive species can outcompete native species? …
They have high reproductive rates and few natural predators.
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2. what occurs during a mass extinction?
During a mass extinction, a large number of species die out relatively quickly across multiple ecosystems. This event can be triggered by various catastrophic events (e.g., astero…
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which invasive species has invaded florida and is making an ecological …
Burmese Python
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agree or disagree with the following statement and justify your answer …
Disagree. Passive transport moves substances down the concentration gradient and does not require energy. Active transport is what requires energy for movement against the concent…
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12. what occurs during a mass extinction?
During a mass extinction, a large proportion of Earth's species become extinct within a relatively short geological time frame. This often disrupts ecosystems, causes the collapse…
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what impact do invading species have on native species? they maintain b…
They easily take the place of native species.
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which invasive snake species is causing major problems in florida? timb…
Burmese Pythons
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which of the following describes a form of passive transport? a membran…
D. Membrane proteins provide a pathway for larger particles to move across the cell membrane and bring the cell and environment closer to equilibrium.
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the burmese python is a snake that is invasive to florida, which means …
Cane Toad
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4.1.6 quiz: a chapter from the world without us question 3 of 5 what na…
D. Floods
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non - native species are not from an area. this means that they do not …
They can out - compete native species.
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which of the following describes a form of active transport? a oxygen t…
B. Large molecules are brought into the cell by wrapping the cell membrane around the molecules to form a vesicle.
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carrying capacity how can biotic factors limit the number of organisms …
For biotic factors: - Example 1: Predators (e.g., wolves preying on deer) reduce prey numbers. - Example 2: Competition (e.g., plants competing for sunlight) limits growth. For ab…
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which of the following companies would be better served by a private wa…
- a fabric importer who has purchased a very large inventory of silk in anticipation of changes in the fashion industry - an art dealer with very specific needs such as tight envi…
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4.1.6 quiz: a chapter from the world without us question 1 of 5 accordi…
C. A landscape ecologist who studies Manhattan Island as it existed in the 17th century
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question 4 of 10 which statement about opinion polls is most accurate? …
A. Opinion polls have been around longer than social media.
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which of the following best explains the process illustrated? a passage…
B. Transport of molecules across a membrane from a high to low concentration gradient by means of a carrier molecule
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what is the name of this animal? pájaro caballo serpiente
Serpiente
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how does the cell membrane help to maintain the health of this cell? a …
B. By regulating the transport of materials in and out of the cell
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read the prompt for kimis essay. cell phone use has a detrimental impac…
One that presents well - organized and synthesized facts that demonstrate how cell phone use negatively affects learning.
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question 1 of 10 which of the following most clearly describes the purp…
B. Providing the public with different sources of information and helping voters hold government accountable
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snake venom is modified saliva that is secreted from glands on the side…
A. The enzyme will no longer catalyze the reaction, which causes the prey to lose muscle control.
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the largest number of identified species (other than plants) in the wor…
insects
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ribulose biphosphate carboxylase is a chemical that aids in the process…
B. Enzyme
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which of these caused the dodo bird to go extinct? inbreeding human hun…
human hunting
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which of these species is extinct/endangered because of low reproductiv…
Gray Whales
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the enzyme-substrate complex can be modeled using three steps. what doe…
C. Active site
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what type of cell is described below? * contains mitochondria * contain…
D. Eukaryote
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why do phospholipids form a bilayer in water? the phosphate portions re…
Natural Science: Biology The phosphate portions attract water, and the lipid portions repel water.
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a scientist observes two cells. cell 1 and cell 2 both contain dna (gen…
A. Cell 1 = Eukaryotic, Cell 2 = Prokaryotic
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carrying capacity the graph below shows the carrying capacity of bullfr…
- What information can be extrapolated from this graph? The future trend of the frog population (assuming no major environmental changes). - What do you notice happens to the frog…
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which of the following helps species stay off of the endangered species…
a high reproductive rate
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in the northern hemisphere, what day is represented by this diagram? a.…
D. winter solstice
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what additional characteristic (x) belongs in the central section of th…
A. Ribosome
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endangered species are typically large and have low reproductive rates,…
The species is useful to humans, but only when dead (example: for food)
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what does it mean when a species is threatened? the species is likely t…
The species is likely to become endangered.
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what is an alternative way to write the solutions for the compound ineq…
B. \(-5 < x\leq - 2\)
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what is an alternative way to write the solutions for the compound ineq…
This inequality is already written in the best way.
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market price brand loyalty nonprice competition product differentiation…
1. competition 2. monopoly 3. monopolistic competition 4. monopoly 5. market price 6. barriers to entry 7. government - created 8. economies of scale 9. patent 10. oligopoly 11. n…
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which structures are found in all prokaryotic cells? a flattened, stack…
C. Small, protein - producing units composed of RNA and protein
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what is an alternative way to write the solutions for the compound ineq…
\(x > - 1\) (i.e., the first option)
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what is an alternative way to write the solutions for the compound ineq…
\(x > 5\)
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2. which of the following would apply to an entrepreneur who has an int…
Takes charge of events occurring in life, Believes that hard work and competency can overcome any failure, Undertakes strategies to succeed
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what is an alternative way to write the solutions for the compound ineq…
D. \(x < 10\)
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which of the following is a defining characteristic of a prokaryotic ce…
C. Absence of a membrane - bound nucleus
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which statement applies to eukaryotic cells but not to prokaryotic cell…
A. Utilize mitochondria during energy production
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what is the main purpose of a thought bubble in a graphic novel? it dis…
It illustrates internal dialogue.
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which structure is not present in a prokaryotic cell? a dna b nuclear m…
B. Nuclear membrane
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jamars parents want him to do well. they insist that he take advanced c…
No, too much pressure can have the opposite of the intended effect.
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which structure can be found in both eukaryotic and prokaryotic cells? …
D. Nucleic acid
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principles of ecology vocabulary. match the vocabulary term with the co…
1. d 2. g 3. i 4. a 5. f 6. j 7. c 8. h 9. e 10. b
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explain: cell transport complete the chart after completing the scenari…
| Type of Transport | Passive or active transport? | Requires energy (ATP)? | With or against concentration gradient? | Moves small or large molecules? | Description | |---|---|--…
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principles of ecology vocabulary. match the vocabulary term with the co…
B. physical environment to which an organism has become adapted
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that spot by jack london there are times when i think it wasnt stupidit…
Spot was a dog who seemed to have an almost human intelligence.
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which of these statements best explains the situation represented by th…
The lynx population increases when there are many hares.
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which of the following is the best description of a control for an expe…
C. The control group is matched with the experimental group except for the one experimental variable.
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7 multiple answer 1 point critics of this story will argue that one of …
C. environmental
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6 matching 1 point identify the relationship between the following comb…
Algae/Fungi: mutual / self; Reindeer/Arctic Fox: food source; Reindeer/Reindeer: mutual / self
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question 5 (mandatory) (2 points) malignant cells ,______ a) grow and d…
B. grow and divide by mitosis abnormally
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atch each description to the correct stage of the cell cycle. itosis yt…
Mitosis: division of the nucleus Cytokinesis: division of the cytoplasm Interphase: growth of the cell and replication of DNA
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5 multiple choice 1 point in order for this type of growth to continue,…
The resources in the environment must be unlimited.
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some students used information they gathered from lab investigations to…
A. Cell 1 is eukaryotic and Cell 2 is prokaryotic.
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4 multiple choice 1 point when a population grows over its carrying cap…
the carrying capacity will increase
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#9 the human immunodeficiency virus (hiv) often infects and destroys cd…
- #9: B. an increase in the threat of diseases caused by microorganisms and viruses - #10: D. access cellular processes for replication - #11: C. Cells reproduce independently, an…
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1 fill in the blank 2 points carrying capacity (k) number of individual…
Curve A represents exponential growth and curve B represents logistic growth.
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hin1 flu is a highly contagious viral infection caused by the influenza…
For the first question: B. The H1N1 virus replicates quickly. For the second question: D. They lack membrane - bound organelles. For the third question: D. All of the above.
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a used biology textbook is priced at $86.53. round this price to the ne…
\(87\)
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a student sees the following organism under the microscope.which type o…
B. A Prokaryotic cell because they have DNA, but no nucleus.
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love to learn daycare has fewer children enrolled in june - august than…
A. Payroll and repairs
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to test for protein, you added biuret solution and observed color chang…
The negative control (water) should not show a positive result (pink/purple) for protein. Possible causes: contamination of the water sample, incorrect use of Biuret solution (e.g…
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isotonic solution, hypertonic solution and hypotonic solu isotonic: the…
- Solvent: A substance that dissolves the solute. - Isotonic solution: A solution where the solute concentration in the solution equals that inside the cell. Example: \(0.9\%\) sa…
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patient 10 this is an x - ray of a fractured ankle that has been repair…
1. A: Tibia, B: Fibula, C: Calcaneus, D: Metatarsals 2. Pins. The X - ray shows metallic, slender objects inserted into the bone which are characteristic of pins used for internal…
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what are the three organelles found only in plant cells? a chloroplasts…
A. Chloroplasts, Cell Wall, Large Central Vacuole
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question 2 (mandatory) (2 points) in mitosis,______ a) the chromosome n…
C. the chromosome number stays the same