Biology
Cell biology, genetics, ecology, and life science fundamentals.
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question 16 (1 point) the declaration of the rights of man and citizen …
B. men, liberty, equality, fraternity
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levels of organization 1. a cell is the basic unit of structure and fun…
1. cell 2. tissue 3. organ 4. organ system 5. organism
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instructions: match the organelle on the left with its correct definiti…
1. E 2. C 3. D 4. A 5. B
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during which phase of meiosis do the homologous chromosomes separate an…
No correct option provided in the given choices. The correct answer is Anaphase I.
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in the following venn diagram, u is the set of students in a class, a i…
Dean, Joy, Noah, Tom, Arya, Cole, Kim, Seth, Gil, Will
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what do you know? the ways in which scientists classify organisms can v…
| Description | Method of Classification | Example Organism | |--|--|--| | Organ systems are all present. | Anatomical characteristics | Human | | Fur, large paws, long tail, and …
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at which stage of meiosis is each chromosome composed of a single chrom…
A. Anaphase II
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what drew the founding fathers to the political philosophy of john lock…
What drew the Founding Fathers to the political philosophy of John Locke? - his concept of a social compact The idea of separation of powers was considered important to prolong de…
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question 4 of 11, step 1 of 1 let u consist of all electronics. select …
The Venn - diagram with the circle labeled "Cell phones" inside the circle labeled "Handheld electronics" within the universal set \(U\).
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during which stage of meiosis does crossing - over occur? multiple choi…
Prophase I of meiosis I
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question 1 a protein that ultimately functions in the plasma membrane o…
E. in the rough endoplasmic reticulum
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try now take some time to explore the living organisms in your backyard…
Examples of vertebrates: Cat (Mammal), Robin (Bird) Examples of invertebrates: Spider (Arachnid), Snail (Mollusk) Examples of plants: Dandelion (Dicotyledon), Grass (Monocotyledon)
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which of the following represents the correct order of the phases of mi…
D. prophase -> metaphase -> anaphase -> telophase
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question the extracellular matrix of the animal cell has all of the fol…
a middle lamella
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the french economy was weakened by louis xv constant need to finance wa…
Question 9: True Question 10: Money (taxes) Question 11: 1 Question 12: National Assembly
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sexing turtles - \hot chicks and cool dudes\ - cer on average, each sea…
1. The temperature of the nest during incubation determines the sex of hatchling sea turtles. Eggs at higher temperatures (around 29°C) produce females, and eggs at lower temperat…
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if blood cells are placed in a hypertonic solution, multiple choice the…
the cells will shrink due to water loss by the cell.
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how did american colonists feel about the role of the britain in the af…
1. American colonists' feelings towards Britain evolved from dependence to resentment, which influenced the development of US democracy by fueling the push for self - governance a…
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4 what is osmosis? multiple choice the movement of water across a semip…
the movement of water across a semipermeable membrane
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a membrane bag contains a 10% salt solution. it is placed in a beaker o…
It will shrink as water moves out of the bag.
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levels of organization 1. a cell is the basic unit of structure and fun…
1. Because they perform all life - sustaining functions and are the smallest living entities. 2. Magnification increases apparent size, resolution determines clarity and detail. 3…
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6. infer why is it important for people who study biology to understand…
Covalent bonding is crucial for understanding the structure and function of biological molecules and biochemical reactions in living things.
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a solute is a substance dissolved in a solvent (like water) to make a s…
There is a greater chance that more water molecules will move across the membrane from the side with lower solute concentration to the side with higher solute concentration.
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lesson quiz 3-6 directions: multiple choice indicate the answer choice …
1. D. farmers 2. C. Massachusetts 3. A. The economy of the Southern Colonies was built around labor - intensive farming. 4. C. protecting rights and representative legislatures 5.…
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lesson quiz 3-6 directions: multiple choice indicate the answer choice …
1. D. farmers 2. C. Massachusetts 3. A. The economy of the Southern Colonies was built around labor - intensive farming. 4. C. protecting rights and representative legislatures 5.…
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during which phase do the chromosomes start to condense? multiple choic…
C. Prophase
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during which phase of mitosis do the sister chromatids separate and hea…
A. Anaphase
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during which phase of mitosis do the chromosomes line up in the center …
C. Metaphase
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which type of transport proteins use energy from atp indirectly? o ion …
C. Coupled transport proteins
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during which phase of meiosis do the homologous chromosomes line up acr…
A. Metaphase I
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copyright © mcgraw hill llc. permission required for reproduction or di…
A. Bulk transport C. Exocytosis
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in the tonicity of red blood cells lab, you mixed whole blood with solu…
A. determine the tonicity of each solution
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in this activity, you will discuss how our planet receives the suns ene…
d. Photosynthesis
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when testing for tonicity of red blood cells, why were you unable to re…
Because the cells in those solutions remained intact, causing the solutions to be opaque.
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which of these will affect the rate of diffusion? multiple choice conce…
B. All of the answer choices are correct.
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a student does an experiment for a science fair to study whether temper…
The chirps occur closer together as the temperature increases.
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living plants may be valuable additions to science classrooms. which is…
the nutrients to feed the plants
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the animated movie frozen was a blockbuster movie for disney in 2013. i…
Topic: The 2013 Disney - animated movie Frozen What is being said about this topic?: It is an exciting story about a princess's journey, was a commercial success, praised for visu…
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a petri dish contained 6,642 bacteria. a scientist let the bacteria gro…
5463
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tonicity in cells refers to the concentration of solute in a solution o…
C. the solute concentration of the cytoplasm inside the cell
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4 matching 6 points match the following consumer names to their descrip…
carnivore - kills and eats other animals scavenger - consumes the carcasses of other animals, but typically doesn't kill them itself decomposer - chemically breaks down large orga…
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in osmosis, water is actively transported across a cell membrane. true …
False
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5. recall what set pennsylvania apart from the other colonies? 6. expla…
5. Its religious tolerance, diverse population, and somewhat democratic governance set it apart. 6. Labor - intensive cash crops increased the demand for enslaved African labor. 7…
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a(n) ________ solution has the same concentration of water as the cell …
B. isotonic
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categorization 2 points put the following organisms into the proper cat…
Autotrophs: algae, plants, chemosynthetic bacteria Heterotrophs: herbivores, scavengers, decomposers, carnivores
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a patient is in need of hydration. which type of solution are the patie…
B. hypertonic
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which detail from passage below shows how the author used deductive rea…
The reasons such efforts drive up the costs include: A human needs a return ticket, while a robot can go one - way. (Paragraph 3)
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multiple choice question which of the following describes the activity …
It can be affected by substances which bind the enzyme and alter its shape
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multiple - choice question which of the following changed due to the ne…
The division of labor between men and women
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match the term with the appropriate description to test your understand…
1. Obligate aerobe: Describes an organism which requires oxygen for growth and has the enzymes to remove toxic by - products of oxygen metabolism 2. Facultative anaerobe: Describe…
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multiple choice question which of the following is an accurate descript…
Organic molecules that temporarily attach to an enzyme and promote a chemical reaction without being changed during the reaction
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anticipation guide after completing the lesson, copy and paste your ans…
| True | False | Statement | True | False | Evidence | |---|---|---|---|---|---| | X | | DNA carries the genetic information in an organism. | | | Fundamental concept in genetics …
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a cell phone company charges a flat rate of $5 plus $0.25 per text mess…
$5 + 0.25x\leq30$
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place the steps in the correct order to review the process of biofilm f…
1. Pioneer bacteria attach to a surface. 2. Bacteria secrete sugars and proteins for attachment. Quorum sensing begins. 3. Additional species join the biofilm secreting their own …
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home > leaked exams > june 2025 international form a (complete exam) th…
A. $(0,36)$
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a bacterial colony begins with 2,000 bacteria and increases by around 1…
A. 3,050 bacteria
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match the phase of the bacterial growth curve with its description. 1 d…
Phase during which nutrient depletion and accumulation of wastes begin to slow: 3. Stationary growth phase Phase during which cells are growing very quickly, at their maximum rate…
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climate change is a __________________________ disturbance that effects…
C. moderate
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multiple - choice question which of the following was an outcome of the…
"More land was used for farming."
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question 1 1 pts climate change is a __________________________ disturb…
none of the above options are entirely correct as climate change is a long - term, large - scale disturbance. But if we must choose from the given options, climate change is more …
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which of the following diagnostic procedures is a test for malignant ce…
A. sputum cytology
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microbes can associate with other organisms in a variety of different r…
- Two organisms living together in which both partners benefit from the relationship: 4. Mutualism - Two organisms living together in which one organism is benefited and the other…
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which of following statements about the process of respiration is false…
C. Air flows into the lungs with exhalation.
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label the image to test your understanding of bacterial growth curves. …
- The initial flat part of the curve: Adjustment period with slow multiplication - The steeply - rising part of the curve: Cells have optimal doubling times - The relatively flat …
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multiple - choice question what did humans start to do during the neoli…
Humans began to raise and breed plants and animals.
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multiple - choice question what did humans start to do during the neoli…
Humans began to raise and breed plants and animals.
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nebuchadnezzar ii (c. 630 b.c. - 561 b.c.) son of the founder of the ch…
1. His military prowess crushed external enemies, expanded territory, and deterred invaders, helping maintain the empire. 2. His reign strengthened the region's infrastructure and…
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which of the following statements regarding respiration is false? a oxy…
B. Carbon dioxide moves from the blood into the cells
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home > leaked exams > june 2025 international form a (complete exam) th…
B. \(9x + 16y=720\)
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what type of barrier involves mucous membranes? a mechanical barrier b …
d. Both A and B
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complete the sentence using one of the following terms: infections, pat…
pathogens
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this defense physically blocks pathogens from entering the body. a chem…
C. Mechanical barriers
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which of the following is an example of protozoa? a death cap mushroom …
C. Giardia lamblia
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which pathogen grows as single cells or thread - like filaments? a fung…
A. fungi
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bacteria on the skin and in the gi tract may be part of what barrier? a…
B. biological barrier
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body paragraph 3: evaluate how the authors use of literary elements (e.…
No specific question is asked for a direct answer. However, the overall task seems to be about literary analysis and essay - writing.
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athletes foot is caused by a ______. a fungus b virus c bacteria
A. fungus
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choose the best approximation of the mass of a worker bee. choose 1 ans…
A. $1\times10^{-4}$ kg A. $8\times10^{3}$ kg B. $8\times10^{7}$
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the function f(t)=60000(2)^(t/580) gives the number of bacteria in a po…
580
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the weight of a honeybee is 1.2·10⁻¹ g. the weight of the pollen collec…
$1.8\times10^{-1}$ g
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what is the general role of an antibody? a to find non - self substance…
B. to bind to a specific antigen and target it for destruction
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the major histocompatibility complex is a set of cell surface proteins.…
B. because of its role in determining self vs. non - self
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how do antigens elicit an immune response? select all that apply a firs…
B. First, they are recognized by receptors on immune system cells., C. Second, an immune response is tailored to the specific antigen.
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what type of cells phagocytize cellular debris that remains when neuron…
Microglia
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which event in earths history most directly allowed life to exist on la…
Single - celled organisms released oxygen into the air when they photosynthesized.
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the table shows index fossils. which conclusion about paradoxides pinus…
Life forms existed during the Cambrian period.
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6. label and explain what happens during each phase of mitosis. p - pro…
(P - Prophase) Chromatin condenses into chromosomes, the nuclear envelope breaks down, and the mitotic spindle begins to form. (M - Metaphase) Chromosomes line up along the equato…
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what cells make it possible for immune cells to cross the blood - brain…
Endothelial cells
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what cells make it possible for immune cells to cross the blood - brain…
Activated endothelial cells (with contributions from pericytes, astrocytes and microglia in the process)
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question 8 of 10 imagine you want to convince the local school board th…
D. Studies show that teenagers' bodies have a biological drive to stay awake fairly late at night, so early start times lead to a constantly overtired student population.
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5. why is interphase longer than the m phase?
Interphase is longer than the M - phase because it is a preparatory stage where the cell grows, replicates its DNA, and synthesizes proteins and other molecules necessary for cell…
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question 1 of 10 central claim: genetically modified foods should be il…
D. Several people recently died from Morgellons disease, thought to be linked to genetically modified foods.
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are usually non - self, or foreign, proteins that initiate an adaptive …
Antigens
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which of the following is/are true about the innate immune response? se…
B. quick but non - specific C. involves the skin and mucous membranes D. includes phagocytosis by leukocytes
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a pathogenic bacteria lands on your forearm. what happens first? a whit…
B. The skin acts as a protective barrier, keeping the pathogen out.
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what do we call anything that can cause injury, disease, death to human…
Hazard
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4. what is the goal of interphase during the cell
To prepare the cell for division by growing, replicating DNA, and carrying out normal metabolic functions
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which is true of a parasitic relationship? a the parasite benefits and …
B. the parasite benefits and the host is harmed
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choose the correct terms for each lettered box to complete the concept …
A. Water diffuses out of the cell B. Cell shrinks (or plasmolyzes, or becomes flaccid) C. Water diffuses into the cell D. Cell swells (or lyses in animal cells, or becomes turgid …
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what best describes a mechanism in which the body responds to low level…
B. positive feedback