Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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due sunday by 11:59pm points 10 submitting an external tool available a…
B. False
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due: wednesday, september 17, 2025 at 8:00 am read the following scenar…
1. Carbohydrates, because they raise blood - sugar levels quickly. 2. Protein, for muscle repair and growth. 3. Fat, for energy and development.
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instrucciones: elige una respuesta y pulsa \siguiente\. recibirás tu pu…
La ciencia es un conjunto de conocimientos sobre cómo funciona el mundo.
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question 2 of 10 select the three main types of microscopes from the li…
TEM, Optical, SEM
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instrucciones: elige una respuesta y pulsa \siguiente\. recibirás tu pu…
# Breve Explicación: La tecnología se define como la aplicación de la ciencia para resolver problemas y crear dispositivos para realizar tareas. El primer enunciado se refiere a l…
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the ultimate goal of hinduism can be described as (1 point) being reinc…
rejoining the soul to Brahman.
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what are the most powerful weather events on earth?
Hurricanes, tornadoes, and typhoons are among the most powerful weather events on Earth.
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instrucciones: elige una respuesta y pulsa \siguiente\. recibirás tu pu…
# Breve Explicación: La ciencia y la tecnología están estrechamente relacionados y se influencian mutuamente. La ciencia proporciona el conocimiento base que permite desarrollar t…
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question 1 of 10 scientists could see cells with the naked eye before m…
False
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multiple - choice question diseases can be caused by enzymes - enzymes …
enzyme not working properly
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write the correct answers. 3.15) what are three ways scientists share t…
a. Publishing in scientific journals b. Presenting at scientific conferences c. Writing research reports
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which type of care is likely to see the widest range of diseases and il…
primary care
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multiple - choice question the word denatured means - the substrate can…
C. all of these
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ava is having trouble with an itchy rash on her skin. she mentions it t…
B. secondary care
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multiple - choice question what two things can change an enzyme? ph and…
C. temperature and pH
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alia was dismayed to find herself in the drawing studio. she had been s…
Don't assume you won't like something until you try it.
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#10 what does the \battery/alternator warning light\ signify? a) your c…
C. The charging system isn't working properly, which may cause your vehicle to lose power
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multiple - choice question enzymes that work in the stomach would prefe…
B. below 7 or acidic
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florence nightingale made great advances in medicine. what was one nota…
She opened nursing schools to teach nurses basic patient care
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diagnosed with acute leukemia, charlottes oncologist wants to add blood…
tertiary care
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jiao is a university student who has come down with a pretty bad head c…
primary care
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neal was so excited. his high school was having a bake - off, and the o…
It's often better to do a good job on something simple than attempt too many things at once.
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multiple - choice question the human ______ system is dependent upon th…
B. digestive
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question 29 1 pts which of the following must take place for speciation…
D. reproductive isolation
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most psychologists would fall under what category of care? (1 point) pr…
tertiary care
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question 30 1 pts speciation occurs only in ring species. can result fr…
can result from geographic isolation.
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after being involved in a terrible car accident, xavier is rushed into …
C. tertiary care
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question 31 1 pts how do natural selection and sexual selection differ?…
Natural selection increases the frequency of alleles that contribute to survival, but sexual selection may increase the frequency of alleles that are not beneficial to survival.
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a) indique le sens de chaque conjonction en gras à laide du chiffre cor…
a) - "et": 1. Addition - "quoique": 5. Opposition / Conséquence - "ou": 3. Choix - "parce que": 2. Cause - "si bien que": 4. Conséquence - "car": 2. Cause b) - Conjonctions comple…
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two populations of geese live near each other. as time passes, the popu…
gene - flow
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a) elle (à / a) été vue (à / a) lépicerie. b) ils (se / ce) sont moqués…
a) a, à b) se, ce c) dont d) s'en, qui e) aussitôt f) davantage g) l'a, la h) quant i) sait, c'est j) près k) leur l) dans m) a, à n) aussitôt o) se p) la, la q) d'en, d'en r) ces…
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ryan has a condition called achalasia, where the muscles in his esophag…
quaternary care
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a chance evolutionary change occurring in small populations is referred…
Genetic drift
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which type of care is likely to see the largest number of people? (1 po…
primary care
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for a population to evolve, there must be genetic differences between o…
A. mutation
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question 35 1 pts how does geographic isolation lead to speciation? geo…
D. Geographic isolation allows mechanisms of evolution to cause genetic divergence.
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reminder: to show your personal understanding, all assignment responses…
- What is happening in this image? A chained member of the Third Estate is rising up against the clergy and nobility, breaking free from oppression. - How does the image relate to…
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question 36 1 pts which of the following is responsible for the nearly …
adaptive evolution
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question 33 which of the following is an example of reproductive isolat…
The population of frogs mates in the deep water of a pond and another population of frogs mates on the shore of the same pond.
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question 38 1 pts the great diversity of life on earth is caused by the…
Speciation
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question 39 1 pts which of the following does not provide an example of…
Two bird populations live on adjacent mountains with a narrow valley between them.
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mark where the rock would land if the kid from ecuador were to drop the…
Directly below the kid in Ecuador, towards the center - assuming no air - resistance or other external factors.
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question 40 1 pts vertebrates are a group of related animals with a bac…
D. homologous structures
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in biology, which group is larger? a family a subfamily
a family
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question 2 (1 point) according to the nebular hypothesis, the sun, the …
The atmosphere was composed mostly of oxygen
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question 10 jonahs restaurant has high employee turnover. this may be p…
greater expense due to hiring and training new employees
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question 41 1 pts tails are found only in adults and begin forming late…
In embryos of a wide variety of organisms, some of which have a tail as adults and others do not.
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question 41 1 pts tails are found only in adults and begin forming late…
In embryos of a wide variety of organisms, some of which have a tail as adults and others do not.
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question 43 1 pts the fact that small, nonfunctioning hind legs are fou…
evolved from organisms with legs
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question 44 1 pts an organism that is widely distributed likely uses ve…
evolved before the separation of Pangaea.
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students are comparing two organisms in the table below. organism 1: ha…
C. Only eukaryotic cells have a membrane - bound nucleus.
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question 29 1 pts which of the following must take place for speciation…
reproductive isolation
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question 28 1 pts say you live with your significant other, but you wor…
B. temporal isolation
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look at the images. what do they show? left: rotation | right: rotation…
C. Left: rotation | Right: revolution
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question 27 1 pts some hybrid organisms survive but do not produce fert…
B. Hybrid Infertility
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question 26 1 pts a small population of deer are introduced to an islan…
B. Directional selection
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lisa simpson is working on a science project. her task is to answer the…
Hypothesis: Rogooti increases the speed of hair growth compared to not using any hair product. Materials: Rogooti hair product, placebo (e.g., plain water or unscented lotion), me…
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the introduction of a small population onto an island that results in a…
The founder effect
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question 24 1 pts a scientist is studying beak length in a species of h…
directional
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question 23 1 pts a species of wildflower grows on hillsides in two loc…
The population in location B would have reduced genetic diversity and changed allele frequencies.
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question 22 1 pts a tourist brings home a small fish and releases it in…
B. gene flow
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question 21 1 pts a species of bird lives in an area where large and sm…
B. disruptive selection
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what are purines found in?
DNA, RNA, ATP, GTP, and certain foods (meat, organ meats, seafood)
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este mes inicia el mes de la herencia. para aprender más sobre gente hi…
Persona 1: - ¿Cómo se llama tu persona? Pablo Picasso - ¿Cuándo nació y murió (if applicable)? Nació el 25 de octubre de 1881 y murió el 8 de abril de 1973. - ¿De cuál país es? Es…
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question 16 1 pts whale dna is more similar to hippo dna than to the dn…
C. hippos are whales' closest living relatives.
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question 15 the result of ____ over evolutionary time spans is that all…
C. Natural selection
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what are purines found in? enter your answer here
Nucleic acids (DNA and RNA), high - energy molecules like ATP, and some co - enzymes.
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question 14 1 pts breeding programs for farm - raised chickens result i…
Yes. The change in chicken coloration is a genetic change in the population over time.
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question 13 1 pts equus (horses) have a single toe on their hoof, while…
D. a transition fossil that has three toes
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which element is not found in biomolecules? oxygen uranium hydrogen nit…
B. uranium
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multiple - choice question which element is not found in biomolecules? …
B. uranium
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question 12 1 pts a biologist develops a strain of corn with lower fat …
Artificial selection
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question 11 1 pts some snakes have small remnants of legs that they now…
D. vestigial characteristics
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how long do the potato cylinders need to incubate in the various soluti…
d) 1.5 to 2 hours
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the nobel prize is considered the highest accolade for many disciplines…
A. disputed
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cylinders of potato will be obtained for an osmosis study. how will we …
A. a cork borer
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the purpose of observing carmine powder in water under a microscope is …
C. observe Brownian movement
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question 10 1 pts which of the following would not be a situation where…
A. Which movie should I watch this weekend?
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which step uses crystal violet? describe the cells counterstain the cel…
stain the cells
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in addition to observing red blood cells under the microscope, we will …
D. place the tubes in a spectrophotometer to measure absorbance
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the purpose of observing carmine powder in water under a microscope is …
C. observe Brownian movement
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question 18 a musical form that alternates between two distinct section…
D. AB or Verse/Chorus
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multiple - choice question which of the following is the building block…
B. nucleotides
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dodgeball victory last year, the end of our dodgeball tournament was on…
Sentence to add details: I hit the ground, but somehow managed to catch the ball between my legs. Three more sentences: As I hit the ground, I felt the cold, hard gym floor agains…
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gram staining. the light and dye, safranin, then gets added. gram - pos…
C. pink
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multiple - choice question nucleic acids include _______ and _______. a…
C. DNA and RNA
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a group of researchers conducted an experiment and collected the data p…
The hypothesis was supported because all members of the control group survived while most of the members of both treatment groups died by the end of the study.
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what best describes the image for sample 1? gram - negative, so antibio…
There is not enough information in the provided text to determine if the sample is gram - positive or gram - negative. But we know that both gram - positive and gram - negative ba…
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question 5 1 pts the genetic material used for reproduction by those or…
DNA
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question 4 1 pts a scientist named dr. burkholder hypothesized that the…
A predicted increase in Pfiesteria populations coincided with a fish die - off.
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question 3 1 pts in 1890, robert koch developed a hypothesis regarding …
D. germ theory of disease
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5. which of the following explains how the rights protected in the firs…
These rights have been essential tools for marginalized groups to challenge societal injustices, with movements such as the Civil Rights Movement using them to advocate for change.
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gram staining the light red dye, safranin, then gets added. gram - posi…
dyes cells purple
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question 2 1 pts what characteristic is not shared by all living organi…
They make their own energy.
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cylinders of potato will be incubated in sucrose solutions of various m…
d) Weighing of the potato cylinders
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to calculate the percentage change in weight of the potato cylinders, y…
D. divide the weight change by the initial weight
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what term is used to describe the swelling and bursting of cell membran…
D. lysis
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the light red dye safranin, then gets added. gram positive bacteria wil…
purple
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to observe diffusion across a semipermeable membrane, we will use dialy…
d) all of the above
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which type of bacteria develop resistance more easily because of their …
Gram - negative bacteria