Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
-
two cells in the same organism differ only in the number of chloroplast…
The second cell would not be able to produce as much food because it could not capture very much sunlight.
-
multiple choice question avoidance of harmful substances or stimuli and…
Motility
-
which best describes the difference between osmosis and diffusion? a. o…
D. Osmosis is the movement of water from a high to a low water concentration, while diffusion is the movement of particles from a high to a low particle concentration.
-
19) base your answer on the following passage and on your knowledge of …
B. civil disobedience
-
reptiles and birds excrete waste as an insoluble white solid that is ca…
by reclaiming water
-
which statement describes the ability of the cell membrane to allow var…
The cell membrane is selectively permeable.
-
which homeostatic process requires energy to move particles across the …
active transport
-
what would most likely happen to a unicellular organism if it was expos…
It would swell and then burst.
-
select all that apply identify the characteristics of helminths. multic…
Multicellular adult form, Eukaryotic
-
look at the highlighted condons on the mrna. use the menus to select th…
First box: UAC Second box: CUU Third box: AUC
-
the path to the civil war 1. second great awakening a. mid - 19th centu…
1a. religious 1b. (already filled correctly in the text as given) 1c. reform 1d. improve 1e. African; Exodus 2a. limited 2c. various 2d. funds 2e. school 3a. 1760
-
which adaptation helps polar bears maintain a constant internal tempera…
blubber
-
in this amino acid, which circle represents the r group? a h3c b o oh c…
A. $H_3C$ (circle A)
-
a membrane forms an impermeable barrier around the cell or around an or…
False
-
aquaporins are protein molecules that provide hydrophilic channels to a…
True
-
the path to the civil war 1. second great awakening a. mid - 19th centu…
1. a. religious revivals - b. reform - c. improve - d. African - e. Moses 2. a. limited - d. money - e. school 3. a. 1760s
-
quality cost loan processing 1. run credit checks: $2,426.59 appraisal …
|Quality Cost Category|Total Amount|Percentage of Total Quality Cost| |--|--|--| |Prevention|$\$1500.00$|$8.99\%$| |Appraisal|$\$9263.34$|$55.59\%$| |Internal failure|$\$2379.80$|…
-
question 7 the monomers of nucleic acids are nucleotides polynucleotide…
A. Nucleotides
-
select all that apply which of the following eukaryotes are traditional…
protozoa microscopic algae helminths microscopic fungi
-
question 6 which of the following characteristics of lipids is incorrec…
They are hydrophilic
-
you perform a benedict’s test on a series of samples but you forget to …
red
-
which movement of particles would be most affected by a disorder that c…
B. active transport
-
what reagent is used to test for starch? benedicts biurets lugels iodin…
C. Lugel's iodine
-
water makes up a large percentage of the bodys cells. for a cell to rem…
osmosis
-
sucrose and maltose are examples of: o monosaccharides o disaccharides …
C. disaccharides
-
which solution would most likely cause a plant placed in it to become f…
C. hypotonic
-
which organelle should be listed under \both\ in the diagram? centriole…
mitochondrion
-
which organelle is used as temporary storage for water, waste products,…
A. vacuole
-
what does it mean for a membrane to be selectively permeable? only cert…
Only certain molecules are allowed to pass through.
-
which is a structure that directs the cells activities? nucleus golgi a…
nucleus
-
which organelle should be listed under \plant only\ in the diagram? cen…
Chloroplast
-
which statement is true about a cell wall but not a cell membrane? it f…
It is made mostly of cellulose.
-
which of the following conclusions do the data support? select the thre…
- If you were given microarray data from the cells of a new patient belonging to either Group I or Group II, you would probably be able to tell which group the patient belongs to.…
-
a scientist is comparing the outer structure of an onion cell, structur…
Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
-
what is the mechanism behind secondary active transport, such as gettin…
A. A proton pump is phosphorylated, pumps H+ ions up their concentration gradient, and those ions flow down their concentration gradient coupled with other molecules.
-
prediction: rna determines the sequence of amino acids in proteins and …
1. Information is transcribed in DNA to mRNA. 2. mRNA leaves the nucleus. 3. Ribosome attaches to the mRNA. 4. tRNA anticodon carries an amino acid that compliments the mRNA codon…
-
question 1 0.5 pts enzymatic reactions happen all the time in your body…
Non - spontaneous and have a positive delta G
-
in the essay, the point is made that the right questions must be asked …
the average lifespan
-
question 3 0.5 pts what is the effect of atp phosphorylation on the tra…
Phosphorylation of the transporter provides energy that induces a conformational change necessary for transport.
-
question 4 0.5 pts what is the initial source of energy to drive proton…
A. ATP hydrolysis providing free energy
-
which of the following experiments would provide the best data for dete…
comparing identical twins raised in the same environment with identical twins raised in different environments
-
prediction: rna determines the sequence of amino acids in proteins and …
2, 3, 1, 4, 5
-
which of the following experiments would provide the best data for dete…
comparing identical twins raised in the same environment with identical twins raised in different environments
-
fraternal twins share ____ of the same genes, while identical twins sha…
A. 50% on average; 100%
-
explain how this exploration tests t prediction: rna determines the seq…
Transcription produces: mRNA Translation takes place: a ribosome
-
theoretically, which of the following diseases should be the easiest to…
diabetes, since the target cells are found only in the pancreas
-
which of the following do you think contributed the most to the success…
Doctors were replacing only one gene, and they only had to insert that gene into bone marrow cells.
-
if someone is a carrier of a recessive genetic disorder, it means he or…
B. one copy; does not
-
if sophie has a brother or sister from the same parents, what are the c…
D. 25%
-
if sophie conceives a child, and the father neither has cystic fibrosis…
0%, because the child must receive the bad gene from both parents
-
beginning at the basement membrane and working toward the free surface,…
stratum germinativum, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.
-
lesson 3 - using the 5 step reading process 1. previewing the text is a…
Lesson 3 - Question 2: Writing a summary, Creating a mind - map Lesson 4 - Question 1: Name of article: "The Impact of Rising Temperatures on Polar Ecosystems" (example), Web addr…
-
1. viruses can be grown on culture media like bacteria. (click to selec…
1. False 2. False 3. Release 4. False
-
1. viruses can be grown on culture media like bacteria. (click to selec…
1. False 2. False 3. Release 4. False
-
question 1 0.5 pts enzymatic reactions happen all the time in your body…
Spontaneous and have a negative delta G
-
3. we looked at how fast krusatodon grew up compared to other mammals. …
3. Fossil - bone structures, teeth morphology, sediment layers around fossils. 4. Having hair/fur, giving live birth, producing milk to feed young.
-
4. a naked virus fuses with the host cell membrane. false 5. what will …
1. False 2. The synthesis of new virions will occur
-
why are nutrient molecules important? the body breaks down the molecule…
The body breaks down the molecules into the molecules it needs.
-
1. viral spikes are present in all viruses are made of lipids attach sp…
1. attach specifically to host cell receptors 2. the host cell's plasma membrane surrounds the whole virion and forms a vesicle 3. True 4. False
-
now combine the two parts together. 1. atp + proton pump 2. adp + proto…
For the first step (ATP + proton pump $ ightarrow$ ADP + proton - pump - P), $\Delta G$ is negative because ATP hydrolysis is an exergonic reaction. For the second step (using the…
-
nico is brainstorming reasons to support this claim for his argumentati…
A. Dylan has been internationally acclaimed for more than half a century. B. Dylan is first and foremost a poet, and poetry is often accompanied by music.
-
1. either dna or rna 2. viral capsids are composed of protein lipids ca…
2. protein 3. Proteins and lipids
-
candidates \pay\ for some of the transaction costs voters face in figur…
providing voters with an informational shortcut in the form of internally consistent ideologies
-
1. every virus particle contains o dna o dna and rna o ribosomes o eith…
1. either DNA or RNA 2. protein 3. Proteins and lipids
-
lets consider part one of the uniport reaction. assume the atp coupling…
1. For the first step (ATP + proton pump → ADP + proton pump - P), $\Delta G$ is negative because ATP hydrolysis is exergonic. For the second step (proton pump - P → proton pump+P…
-
part ii:active transport is used to generate electrochemical gradients …
ATP hydrolysis by the proton pump provides energy for $H^+$ active transport out of the cell, creating an electrochemical gradient. The diffusion of $H^+$ back into the cell down …
-
atp hydrolysis to adp + pi has a δg of -7.3 kcal/mol. provide reasonabl…
Pyruvate production: - 14.8 kcal/mol; ATP production: + 7.3 kcal/mol
-
multiple choice: choose the best answer 12 which of the following is an…
12. C 13. C 14. A 15. A 16. B 17. A
-
ferdinand magellan matching: match each term with its description 1. sp…
1. B. Magellan wanted to find a new route to get these 2. I. Magellan found this passage at the tip of South America 3. J. Members of this ship's crew were put into jail 4. A. Thi…
-
match the bold words from the reading to the appropriate synonym (8 - 1…
8. necessary 9. radical 10. excellent 11. comprehension 12. accord 13. alteration 14. brutal 15. goal
-
questions 1 through 3 refer to the following. 1 mark for review which f…
D. The linear sequence of the base pairs
-
what are the differences and similarities between plant and animal cell…
Similarities: Both have cell membrane, cytoplasm, nucleus. Differences: Plant cells have cell wall, chloroplasts, large central vacuole; animal cells may have centrioles, lack abo…
-
due sep 19 by 11:59pm points 30 submitting an external tool available s…
$0$
-
john scopes was charged with crimes for what act? teaching evolution in…
teaching evolution in schools
-
what group was emblematic of the opposition against john scopes? the an…
A. the Anti - Evolution League
-
what was the purpose of the volstead act? to enforce prohibition polici…
to enforce prohibition policies
-
cell structure & function review 1. what are the differences and simila…
Differences: Prokaryotic cells lack a nucleus and membrane - bound organelles; eukaryotic cells have a nucleus and membrane - bound organelles. Examples: bacteria are prokaryotes;…
-
scenario #2 running speed cm/sec age at death months # pups produced # …
1. Mouse #3 2. Mouse #1
-
germs what are germs? directions: answer each question using the inform…
1. Germs are tiny living things that can cause illness. 2. Infectious agents are substances that can cause an infection, such as germs. 3. Germs can be found in air, water, food, …
-
due sep 19 by 11:59pm points 30 submitting an external tool available s…
$-3$
-
scenario #2 mouse #1 mouse #2 mouse #3 mouse #4 running speed 8 cm/sec …
#1. Mouse #3 is the most fit. Evidence: It has the highest number of pups produced (40) and a significant number of adults surviving to adulthood (10). #2. Mouse #4 is the least f…
-
due sep 19 by 11:59pm points 30 submitting an external tool available s…
0
-
1. president trump feels that the income tax is to low and has asked co…
No
-
writing workshop: visual media analysis instruction active write advert…
You're too smart to miss out on our top - quality products!
-
2014 \herd behavior\ is a term used to describe the tendency of individ…
Connotation
-
if you are in a situation where a tornado has been sighted, which of th…
C. Hide under a bridge or an overpass
-
part 2: determining fitness in a population directions: read each scena…
1. Dwayne. He lived to 16 years, fathered 25 cubs, and 14 survived to adulthood. 2. Tyrone. He died at 10 years, the youngest among them, and despite having a good number of survi…
-
why was the boston massacre called a \massacre\ when only 5 colonists d…
1. It was used as propaganda to stir anti - British sentiment. 2. Declaration of Independence 3. Life, liberty, and the pursuit of happiness 4. It convinced the French to ally wit…
-
2014 “herd behavior” is a term used to describe the tendency of individ…
Connotation
-
due sep 19 by 11:59pm points 30 submitting an external tool available s…
2
-
why would sheltering in place under one of these desks be a poor choice…
There are windows nearby
-
an entomologist is studying the population of an invasive insect specie…
The graph that starts low, increases (going up - slope is positive), then has a flat - horizontal section (slope is 0) and then decreases (going down - slope is negative) as time …
-
due sep 19 by 11:59pm points 30 submitting an external tool available s…
3
-
19. exoenzymes. know how to test for the production of specific enzyme …
| Exoenzyme tested | Amylase | Caseinase | Gelatinase | Lipase | DNAse | | --- | --- | --- | --- | --- | --- | | Name of media | Starch plate | Milk agar | Nutrient gelatin | Spir…
-
during which of the following events is it most likely that sheltering …
A. Tornado B. Chemical release D. Biological contaminant release
-
due sep 19 by 11:59pm points 30 submitting an external tool available s…
0
-
plaintiff has the same or almost the same meaning as: evolutionist resi…
C. complainant
-
scenario #3: there are two types of mice that live in rocky terrain in …
1. Heritable variation: Light tan and dark brown fur color. 2. Overproduction: Each female has 11 offspring but only 5 survive to adulthood. 3. Trait selected for: Dark - brown fu…
-
scenario #2: there are two types of beetles. beetles that are green in …
- What is the heritable variation in this population? Color (green and brown). - What is the overproduction in this population? Each beetle pair has 50 babies but only 5 reproduce…
-
how do vesicles help maintain homeostasis in a cell? aid cell movement …
1. D. store and release substances as needed 2. A. Only organism 1 uses solar energy to make energy - rich compounds.