Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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sort the following phrases based on whether they apply to the experimen…
Experimental group: - Used to measure the effect of hand soap on bacterial diversity - The group that receives the treatment, while all other variables are kept constant - Used to…
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when you perceive the scenery around you, some neurons only process cur…
some neurons only process curved lines while others only process horizontal lines. This is due to feature detectors.
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part a in a 2018 investigation, researchers from the university of cent…
B. Despite longstanding assumptions by marine biologists, very young sea turtles travel by swimming, not just drifting.
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which is a true statement about the effect of the taiping rebellion? br…
The number of lives lost was over twenty million.
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which sequence represents the correct flow of information from the time…
D. a neuron receives a chemical message until the neuron sends a chemical message of its own: dendrite, cell body, axon terminal
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when world war i began in august 1914, many people anticipated that the…
The French stopped the German advance in the west.
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chapter 1: the sentence classifying sentences by purpose 1h. a declarat…
1. DEC 2. INT 3. EXC 4. IMP 5. DEC 6. INT, ? 7. DEC, . 8. INT, ? 9. DEC, . 10. EXC, !
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question 5 choose the correct statement. neurons communicate with each …
Neurons communicate with each other by sending and receiving neurotransmitters
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question 4 2 pts neurotransmitters are released into the axon after den…
D. are released into the synapse after the action potential reaches the axon terminal branches.
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week 1 homework assignment - attempt 1 reviewing key concepts: the prop…
A property of all living things: Reproduces its own kind, Complex, but well - ordered, structure, Takes in, converts, and expels energy, Responds to the environment, Populations e…
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chapter 24. sounding spring: vivaldi and the baroque concerto page 128 …
concertos, violin
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1. blood concentrations of bpa in college students are compared to thei…
1. Natural 2. Natural 3. Natural 4. Manipulative 5. Manipulative 6. Manipulative 7. Natural
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can you identify the steps in the scientific method that correspond to …
Observation: The eggs of mice in plastic cages washed with harsh soap displayed problems during cell division that caused genetic abnormalities. Question: Could bisphenol A from t…
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part a how can we determine the age of fossils? view available hint(s) …
B. The ratio of carbon - 12 to carbon - 14 found in the fossil.
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which answer helps to explain why all living cells need ph buffers? nuc…
First part: Amino acid side chains have many carboxyl and amino groups. Second part: (d) have a weak acid or a weak base half ionized in water.
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which grouping is considered as secondary sources? diaries, journals, a…
books, academic articles, and websites compiled by scholars who did not live through an era
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water is a source of ____________ for chemical reactions in cells. (a) …
For the first question: D. Both (a) and (b) For the second question: E. (a), (b), and (c)
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a person wants to enclose a rectangular field with two internal partiti…
The width should be $1712.50$ feet and the length should be $3425.00$ feet.
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ii the simple predicate is the main word or words in the complete predi…
1. Even a small burn **should not be neglected**. **be** 2. You **should hold a minor burn under cool water for 10 minutes**. **hold** 3. Some skin cells **are destroyed by the he…
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in the reaction glucose + fructose → sucrose + water, __________ is a r…
B. glucose ... water
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in the α helices of transmembrane proteins, the hydrophobic side chains…
the outside of the membrane - spanning helix
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most mitochondrial and chloroplast proteins are made within which part …
mitochondrion or chloroplast itself
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a minority is powerless while it conforms to the majority; it is not ev…
- Tax money is funding a violent, unjust war. - The crime that the state is committing is worse than the crime of withholding taxes. - Acts of civil disobedience such as withholdi…
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the mass number of an atom is 15, and its atomic number is 7. the atom …
Part A: 8 neutrons in the nucleus. Part B: Electrons determine the atom's size.
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which statement best compares events in egypt, libya, and tunisia durin…
In Egypt and Tunisia, pro - democracy uprisings led to a mostly peaceful revolution. In Libya, it led to civil war.
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which disorder is associated with 45 xo chromosome notation? a klinefel…
Question 8: B. Turner's Syndrome Question 9: 23 Question 10: A. True
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question 6 what would be the correct notation to characterize patient c…
Question 6: E. 47, XY, +21 Question 7: E. Downs Syndrome
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question 4 what would be the correct notation to characterize patient b…
Question 4: B. 47, XXY Question 5: B. Klinefelters Syndrome
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3 multiple choice 1 point why are cells typically small in size? cells …
A large surface - area - to - volume ratio makes nutrient transport more efficient.
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which of the following were results of the 1980 election? check all tha…
- Reagan won by a landslide - Reagan won the popular vote - Republicans gained control of the senate - Conservatives called this the "Reagan Revolution"
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question 10 humans have 23 pairs of chromosomes. how many possible ways…
A. more than 8 million ways
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chapter quiz content page 9 of 10 question 9 a zygote is: a a haploid c…
C. The first diploid cell of a new organism
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question 8 which of the following is unique to meiosis? a nuclear membr…
C. crossing - over
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question 7 the process by which homologous chromosomes exchange genetic…
B. Is crossing over
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question 6 10 points albinism is a recessively inherited condition. wha…
B. 50%
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question 5 if two individuals were heterozygous for freckles, which is …
C. 75%
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the main purpose of the g20 is to provide rules for international trade…
cooperate to prevent financial crises
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question 4 if someone is said to be “heterozygous” for a trait, it mean…
B. both alleles for that trait are different.
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question 3 meiosis is a form of nuclear division that ____. a is common…
D. halves the genetic material
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question 2 meiosis i is completed in human females after puberty a once…
A. once each month or every 28 days.
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question 1 10 points two normal individuals have a child who has cystic…
D. Each parent had one normal and one recessive allele.
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multiple - choice question what will happen as a result of the scientif…
New ideas and inventions will progress civilization on earth.
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an individual that has an allele for a autosomal recessive disorder but…
1. b. Carrier 2. a. 0% 3. b. 25%
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value: 10 sperm and ova are ___. a. diploid b. haploid value: 10 sperm …
1. b. haploid 2. b. diploid zygote 3. a. Meiosis I 4. b. Genotype
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click the card deck to view a card. drag the card from the bottom to th…
Germ Cell: Haploid Zygote: Diploid Skin cell: Diploid
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click the card deck to view a card. drag the card from the bottom to th…
Haploid: Ova, Germ Cell Diploid: Zygote
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click the card deck to view a card. drag the card from the bottom to th…
Ova: Haploid Zygote: Diploid
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click the card deck to view a card. drag the card from the bottom to th…
Sperm: Haploid Ova: Haploid
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click the card deck to view a card. drag the card from the bottom to th…
Sperm should be dragged to the Haploid category.
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if there is no way to eliminate a hazard from the work environment, wha…
Provide PPE for the workers
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value: 10 if a person has black hair, then black hair color would be th…
C. phenotype
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because of cataracts, a neighbor was deprived of visual experiences dur…
D. brain cells normally devoted to vision died or were diverted to other uses.
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the total number of chromosomes in somatic cells is the ___. a. haploid…
B. diploid number
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question 1/ what three processes that give the reptilobird variation? e…
Genetic mutation, natural selection, genetic drift
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37 multiple choice 1 point when using sandbags as an immobilization dev…
37. B. place the sandbag out of the anatomy of interest as it could cause artifact 38. A. triangle
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major theme connection: 1. using radioactive isotopes to determine the …
Radiometric dating can determine the age - order of fossils. This age - order shows the sequence of species' appearance and evolution, providing evidence for the gradual change of…
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question 1 1 pts who was governor of saint domingue during the revolts …
Question 1: Information not provided in the given text to answer. Question 2: False (The Haitian Revolution, which included slave revolts, began in August 1791 and slaves in the s…
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assume you are an executive at tough mudder and you want to implement w…
Provide training on the rationale for implementing teams and the roles and responsibilities of the teams.
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question 1 at which stage of meiosis did replication of the chromosomes…
- Question 1: Interphase I - Question 2: A. True - Question 3: No answer possible with given data
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28 matching 8 points match the following devices with the definitions s…
Sandbags: used to help hold an extremity in place or to help depress the shoulders in a lateral c - spine Sponges: come in a wide variety of sizes and shapes and allow for support…
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chromosomes in eukaryotes are made of dna wrapped around proteins. what…
B. nucleosomes
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which answer choice below correctly describes the structure of dna? (1 …
A sugar - phosphate backbone with nitrogen bases in the middle forming a double helix.
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which of the following choices correctly compares prokaryotic and eukar…
Prokaryotes tend to only have one chromosome while eukaryotes have many.
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eukaryotic chromosomes tend to be much larger than prokaryotic chromoso…
A. histones
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what is the term for a section of a dna molecule that codes for protein…
B. gene
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1st attempt proteins that are associated with the membrane by noncovale…
D. peripheral membrane
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6. the ph in your cells is decreasing. cells have buffers to minimize c…
The buffer's basic component will react with the excess $H^+$ ions in the cells to reduce their concentration and minimize the decrease in pH.
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30 question (1 point) 1st attempt name the organelle that proteins can …
D. ER
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on a walk in the woods, lena kicks a pinecone into a puddle. thirty min…
When pinecones are placed in warm water, do the scales on one - year - old pinecones close more slowly than the scales on fresh pinecones? Do the scales close faster on pinecones …
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1st attempt how are proteins destined to function in the er retained th…
They contain a C - terminal ER retention signal.
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3. taylor has a $30.00 gift - card that she can spend at the store. she…
$x\leqslant7$
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eukaryotic cells continually ingest bits of their plasma membrane, alon…
B. exocytosis
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why do phospholipids form bilayers in water? choose one: the hydrophobi…
The hydrophilic head is attracted to water, while the hydrophobic tail shuns water.
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which proteins play a central role in the fusion of a vesicle with a ta…
SNAREs
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question 48 not yet answered points out of 1 flag question the ____ foc…
Question 48: B. activation - synthesis theory Question 49: C. circadian rhythms
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in a patch of animal cell membrane about 10 μm in area, which will be t…
There will be more lipids than proteins.
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13. what is the sex of your baby reptilobird? below is a list of charac…
13. Cannot be determined 14. Cannot be determined 15. Cannot be determined 16. No 17. Genetic mutations, sexual reproduction, environmental factors
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10. leannes friend has asked her to describe something that would be co…
the act of smiling back at a person who smiles at you
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24 question (1 point) 1st attempt which proteins bind to nuclear locali…
B. nuclear import receptors
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ricin is one of the most powerful toxins known. the protein consists of…
The protein is internalized by endocytosis.
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22 question (1 point) open ebook section 11.2 1st attempt ____ are the …
C. Lipids, proteins
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which cellular compartment acts as the main sorting station for extrace…
D. endosomes
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if a signal sequence is removed from an er protein, what happens to the…
It remains in the cytosol.
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question 40 not yet answered points out of 1 flag question receptor cel…
Question 40: D. sensory nerve receptors are unable to fire off messages to the brain indefinitely. Question 41: A. consciousness
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which organelle is essentially a small sac of digestive enzymes that fu…
A. lysosome
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1. does a large population that migrates to another location experience…
1. A large population that migrates is less likely to experience significant genetic drift because the large size of the population reduces the impact of random sampling of allele…
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step 1: find one child between ages 3 - 7, whom you can observe in two …
This is a task focused on observing and analyzing a child's language use in different social contexts for a Linguistics - related report. No specific answer is provided as it requ…
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25 a student is ordering a flower arrangement. she can choose any combi…
B. $3x + 2y\leq30$
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if a cell is fed a large supply of fatty acids, which outcome can be ex…
Glycolysis will be stimulated and pyruvate oxidation will be inhibited as acetyl CoA builds up to high levels in the cell.
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the reduction of pyruvate to lactic acid during fermentation allows gly…
is coupled to the oxidation of NADH to NAD+.
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26 multiple choice 3 points what was a key factor in the beginnings of …
26. Enlightenment ideals of liberty and equality 27. The Liberator
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the electron transport chain pumps protons into the mitochondrial matri…
The electron - transport chain pumps protons into the mitochondrial matrix during electron transport is incorrect. The correct statement is that it pumps protons into the inter - …
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12. sangeeta excels at incorporating details into her writing. what is …
her power of observation
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10. ali enjoys the process of preparing for a new story and makes lists…
C. brainstorming
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1. a scientist at the university of iowa uses a microscope to observe c…
The scientist explored through initial observations of microglia and then started testing by asking questions about the cause of the observed shift and designing an experiment.
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9. what pre - writing technique was first used in psychoanalysis by sig…
C. free association
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4. mrs. smith is a writing teacher. all of her students have been espec…
turn on loud music in the classroom and ask everyone to dance for five minutes
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3. journaling, or the act of regular personal writing, is an excellent …
A. True
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2. sebastians advisor recommends keeping a journal. how will this most …
It will help him find his voice and personal style.
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1. billy begins every assignment the same way: he quickly makes a list …
A. brainstorming