Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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you continue to read her letter to the editor when you come across the …
Because children don't know how to use cell phones responsibly, they shouldn't have them until they're 18.
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you continue to read her letter to the editor and come across the follo…
Cell phones negatively affect children physically, mentally, and academically.
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in this section, youll demonstrate command over the conventions of stan…
C. Cell phones shouldn't be allowed in an educational setting because research shows they have a negative effect on children.
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after reading the article, your friends are interested in learning abou…
Both the article and the video incorporate multiple points of view on the issue.
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as you continue to read the article, you notice that it includes differ…
The author wants to show the reader that this issue is complex, even among educators, and there may not be a simple solution.
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it acceptable for learners to use them. this conversation actually goes…
It emphasizes the struggle that educators face with cell phones in an educational setting.
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question 20 0.75 pts which of the following glial cells would be found …
Schwann cells
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question 19 0.75 pts which of the anatomical parts of a neuron is relat…
B. Dendrites, C. Axon
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question 18 0.75 pts all of the following are functions of astrocytes e…
Provide the defense for the CNS
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identify what is not considered as characteristic of neurons? they cond…
They are mitotic.
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what is the term used for the opening of the voltage - gated sodium cha…
Saltatory conduction
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at resting membrane potential, the interior surface of a neurons plasma…
negative charge and contains less sodium than outside of the cell
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what do we call the period after an initial stimulus when a neuron is n…
Absolute refractory period
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the following structure involved in surrounding the individual muscle c…
endomysium
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the structure that is involved in calcium storage in skeletal muscle is…
sarcoplasmic reticulum
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question 3 0.75 pts most skeletal muscles are made of ________. muscle …
a mixture of fiber types
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the greatest ability to regenerate is characteristic of which muscle ce…
Smooth
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question 1 0.75 pts the role of tropomyosin in skeletal muscles indicat…
Tropomyosin promotes inhibition via blocking the active binding site on actin to prevent engaging the myosin molecules.
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question 16 which type of joint is found in the knee? pivot joint ball …
Hinge joint # Question 17
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7% solute 20% solute 93% water 80% water cell 45. in diagram 4, which t…
45. Hypertonic 46. Out of the cell
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44. in diagram 3, what will happen to the size of the cell? * the cell …
For question 44: The cell will shrink. For question 45: Hypertonic.
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42. in diagram 3, which term describes the solution outside of the cell…
42. Hypotonic 43. into the cell
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41. in diagram 2, what will happen to the size of the cell? * the cell …
41. The cell will swell 42. Hypotonic
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39. in diagram 2, which term describes the solution outside of the cell…
39. Isotonic 40. Equally in both directions
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38. in diagram 1, what will happen to the size of the cell? * the cell …
38. The cell will stay the same size 39. Isotonic
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36. in diagram 1, which term describes the solution outside of the cell…
36. Hypertonic 37. Out of the cell
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the ant, butterfly, and the oregano plant by nsikan akpan large blue ca…
"From an evolutionary perspective, Thomas and Barbero say that the Large Blue butterflies gained an advantage by using scents to glean which oregano plants are fighting off Myrmic…
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revise rewrite the sentence to correctly punctuate it using a dash. you…
“It faced—the whole external world for an instant, and then concentrated on you with an irresistible prejudice in your favor.”
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revise -- possible corrections \it faced or seemed to face the whole ex…
The revised sentence with dashes around "or seemed to face" is a better - structured and more emphasized version of the original.
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blackberries are fruits that contain ascorbic acid, an essential nutrie…
C. Since humans cannot make vitamin C in their bodies, they must get this essential nutrient from foods like blackberries.
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think about how writers develop characters and read the adapted excerpt…
The statement "I hoped to find a meadow at the end of the road. I found a swamp. Facts are bitter; so are men" best develops Solis's character in the setting of the Mexican Revolu…
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in several ways. when people join the military, they can simply go thro…
The U.S. Military Academy is the most direct method to becoming a military officer.
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u.s. military academy (west point) use the information below to answer …
B. country
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character analysis & plot: the story of an hour which of the following …
internal - person vs. self
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what type of conflict is the following situation? valerie gets caught i…
external
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what type of conflict is the following situation? a bee is sleeping in …
no conflict
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what type of conflict is the following situation? mary is anxious about…
B. internal
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a conflict between one person and themself is ______. neutral external …
internal
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one species benefits from th interaction, and the other species is harm…
Mutualism ### Second Dropdown (One benefits, one harmed but not killed):
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why are algae and ferns both green? they each contain chlorophyll that …
A. They each contain chlorophyll that absorbs violet - blue light and reflects green light.
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the overall population of a species decreased. what could have occurred…
B. The birth rate decreased, while the death rate increased.
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which compound is produced during carbon fixation? pga g3p rubp c₆h₁₂o₆
A. PGA
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ari drew a diagram to show organisms in an ecosystem. what did ari draw…
a food web
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a forest fire destroys an area. a small population of trees and a large…
B. density independent
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a biologist counts the number of zebras in a population each year, and …
C. observation
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during which stage of cellular respiration is glucose broken down into …
B. glycolysis
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hyenas and lions have fierce battles over food. which type of relations…
D. competition
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which method of characterization is used in the following passage? \the…
physical descriptions
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a 71 - year - old female patient tells you she has been feeling really …
E. Acute myocardial infarction
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blood work reveals elevated creatine phosphokinase. the diagnosis we ca…
d) Muscle trauma
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question 25 (mandatory) (1 point) listen a 22 - year - old female patie…
B. Pernicious anemia
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a 57-year old male patient presents with intermittent substernal chest …
B. Stable angina
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question 2 (mandatory) (1 point) listen a 65 - year - old male patient …
d) Ischemic stroke
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in a study in which infants were shown videos of a stranger either comf…
infants have expectations about how other people will behave.
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correct any errors in capitalization or punctuation. your answer should…
French author Jean Giraudoux called the flower, "An example of the eternal seductiveness of nature."
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do you agree that animals were used in space exploration from the 1940s…
Yes, animals were used in space exploration from the 1940s - 1990s. If they weren't used, there would likely be a lack of biological data on spaceflight effects, delayed human spa…
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question 1 4 pts which of the following is true regarding piagets theor…
Piaget’s theory posits the view that both biology and experience sculpt cognitive development in children.
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edna ate lunch at a restaurant. the bill came to $74. if she left an 18…
\(13.32\)
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18. clive is converting between units in the two measurement systems. h…
He started with pounds (lbs) and will end with grams (g). This is because in the unit cancellation, pounds cancel out with the pounds in the denominator of the second factor, ounc…
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animation shows a complete revolution of the earth around the sun. what…
A. Four seasons occur on Earth.
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which foreign influences does the president describe in the speech? che…
A. economic interests, B. security and defense, C. alliances with foreign powers
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write a sentence or two to describe a topic you can explore in the foll…
The process of photosynthesis in plants.
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which space exploration activity has most helped astronomers determine …
A. collection of lunar rock samples
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in many of his sculptures, artist richard hunt uses broad forms rather …
A. He often depicts the subjects of his sculptures using an unrealistic style.
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estimated temperatures to which evron quarry artifacts were exposed fli…
B. Artifacts L5_239 and K3_18 were exposed to temperatures of approximately 550°C and 650°C, respectively.
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what purpose does the peptide bond serve in protein synthesis? it conne…
It connects amino acids.
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which base is found only in dna? adenine guanine cytosine thymine
thymine
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which accurately describes the relationship between cancer risk and exp…
Cancer risk increases when a person is exposed to mutagens because the risk of DNA mutations increases as well.
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many different types of mutations can occur within the body. an individ…
silent
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which diagram correctly shows how homozygous alleles are found on homol…
The second diagram (with "aa" alleles) correctly shows homozygous alleles on homologous chromosomes.
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a strand of dna contains the bases adenine, cytosine, cytosine, and gua…
thymine, guanine, guanine, and cytosine
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a mutation causes a sequence of dna that has the nucleotides ttg to be …
missense
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which best describes a codon? a cell structure that gives the master in…
the sequence of three bases that codes for a specific amino acid
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which statements describe the characteristics of an individual enzyme? …
It is specific to one biochemical reaction. It increases the rate of a biochemical reaction.
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which best describes a gene? the short arm of a chromosome tightly coil…
a segment of chromosomal DNA
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what does dna provide the code for? nitrogenous base pairing protein sy…
protein synthesis
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the structure of dna resembles a twisted ladder. which structural compo…
nitrogenous base pairs
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what will happen if rna polymerase fails to attach to the promoter? tra…
Transcription will not begin.
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a scientist observes a pair of separate chromosomes that have genes for…
homologous chromosomes with heterozygous alleles
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this food chain shows organisms in a freshwater ecosystem. use the food…
- The population of sludge worms will likely **increase**. - The population of European graylings will likely **decrease**.
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this food chain shows organisms in an estuary ecosystem. use the food c…
If the population of bluefish increases, the population of pelicans will likely **increase**, and the population of Atlantic silversides will likely **decrease**.
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if the population of red foxes increases, the population of long - tail…
If the population of red foxes increases, the population of long - tailed weasels will likely \(\boldsymbol{\text{decrease}}\), and the population of coyotes will likely \(\boldsy…
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use the food chain to complete the text below. this food chain shows or…
- If the population of yellow perch decreases, the population of large mouth bass will likely \(\boldsymbol{\text{decrease}}\), and the population of mudminnows will likely \(\bol…
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this food chain shows organisms in a hot desert ecosystem. use the food…
- The population of western diamondback rattlesnakes will likely increase. - The population of pallid - winged grasshoppers will likely decrease. - The population of red - tailed …
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how are plants affected by an increase in thermal energy on earth? (1 p…
D. Plants grow less.
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which of the following structures focuses incoming light rays onto the …
B. lens
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use the food chain to complete the text below. if the population of gra…
For the population of western diamondback rattlesnakes: increase. For the population of pallid - winged grasshoppers: decrease. (Assuming the blanks are to be filled with "increas…
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which of the following sensory organs is not for balance? a cochlea b s…
A. cochlea
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suppose that the triplet of nucleotides indicated in bold (agc) spans t…
All of the amino acids after the deletion would be altered due to the frameshift.
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this food chain shows organisms in a tropical coral reef ecosystem. use…
If the population of blue sprats increases, the population of copepods will likely \(\boldsymbol{\text{decrease}}\), and the population of reef squids will likely \(\boldsymbol{\t…
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this food chain shows organisms in a tundra ecosystem. use the food cha…
First blank: decrease Second blank: increase
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this food chain shows organisms in a freshwater ecosystem. use the food…
more; increase
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why is a frameshift missense mutation more likely to have a severe effe…
A frameshift missense mutation will cause the codons to be out of order, but a substitution missense does not change the order of the codons.
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this food chain shows organisms in a grassland ecosystem. use the food …
First blank: less Second blank: decrease
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the ossicles are located in which cavity of the ear? a external b middl…
B. middle
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people tend to use emotion - focused rather than problem - focused copi…
believe they cannot change a stressful situation.
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this food chain shows organisms in a tundra ecosystem. use the food cha…
For the first blank (before "likely"): less For the second part (wolf population change): decrease
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many different types of mutations can occur within the body. tay-sachs …
deletion
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which of the following statements regarding hearing is not true? a cond…
D. The ossicles conduct vibrations across the inner ear.
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which type of mutation causes sickle cell anemia? ○ silent ○ missense ○…
missense