生物
细胞生物学、遗传学、生态学与生命科学基础。
-
which structure manufactures ribosomes? o a) golgi apparatus o b) endop…
C. nucleolus
-
timed test this test has a time limit of 1 hour.this test will save and…
True
-
which is made of protein fibers that form the cells supporting network?…
A. cytoskeleton
-
timed test. warnings appear when half the time is left. multiple attemp…
False
-
column a 1. transports proteins throughout the cell. 2. long hair like …
1. h. Rough Endoplasmic Reticulum 2. d. Flagella 3. c. Mitochondria 4. q. Lysosome 5. t. Prokaryote 6. a. Golgi Apparatus 7. p. cell membrane 8. r. Cilia 9. n. Vacuole 10. e. Cyto…
-
which components of the plasma membrane receive chemical signals from o…
D) carbohydrate chain attached to membrane protein
-
question 8 of 20 which statement about the figure is false? centric fus…
Centric fusion between chromosomes 2 and 3 does not disrupt chromosome pairing. This statement is true based on the figure. Centric fusion between chromosomes 1 and 2 and chromoso…
-
timed test this test has a time limit of 1 hour. this test will save an…
b. breathing
-
timed test this test has a time limit of 1 hour. this test will save an…
B. cytoskeleton
-
which organic molecule below is most closely related to nucleic acids a…
A. nucleotides
-
4.3 - hypothesis tests for the mean score: 7.5/90 answered: 2/11 questi…
We fail to reject the null hypothesis $H_0:\mu = 9$.
-
the beginning of modern science in the 1500s in europe is called the sc…
Revolution
-
labeling- label the following cells as interphase, prophase, metaphase,…
25. Metafase 26. Profase 27. Anafase 28. Interfase 29. Telofase
-
what are the reactants (inputs) for the light independent reactions (se…
B. high energy electron carriers (ATP, NADPH), D. carbon dioxide
-
1. define each of the following as they apply to the age of absolutism:…
1. Divine Right: Belief that monarchs' power comes from God. Autocracy: One - person unlimited power. Mandate of Heaven: Approval of rulers by gods in Chinese - related concepts. …
-
read the excerpt from a speech petitioning people to adopt animals in n…
B. Animals bred through pet shops suffer health problems. C. People need to adopt animals instead of going to pet shops.
-
c. describe the abiotic and biotic factors that influence the survival …
Abiotic factors include temperature, water, soil, sunlight. Biotic factors include prey availability, competition with other bears, and predator - prey interactions (for cubs).
-
due: thursday, september 25 1. bears are a carnivoran mammal that live …
a. Left graph: Logistic - growth curve (initially exponential growth then levels off at carrying capacity). Right graph: Exponential - growth curve (smooth, upward - curving with …
-
what two molecules get produced during the light dependent reaction? na…
NADPH, ATP
-
refer to the table. the relationship between genetic divergence (in seq…
0.45
-
what plant organelle does photosynthesis take place in? mitochondria nu…
Chloroplast
-
the contents of a cell in a spreadsheet are shown below. 9.5304996ee - …
C. It represents 0.00000095304996
-
true/false: read each of the following questions carefully and indicate…
47. A. True 48. A. True 49. A. True 50. A. True 51. A. True 52. B. False 53. A. True 54. B. False 55. A. True
-
what type of molecule captures light and reflects this color to our eye…
B. Pigments
-
question 32 craydye corporation manufactures a part for its production …
B. Make; $72,000
-
8 directions: type the correct answer in each box. use numerals instead…
First box: 2 Second box: - 6 Third box: 0.000002
-
use the excerpt from \in 1850, ignaz semmelweis saved lives with three …
The obstetrician advised doctors to wash their hands.
-
11 hemoglobin is: a. a protein b. responsible for binding with oxygen c…
11. d. A and B 12. e. Water 13. b. Form clots 14. a. Anemic 15. a. 7% of blood
-
the international border between the united states and mexico is approx…
C. 1,951 miles
-
the contents of a cell in a spreadsheet are shown below. 4.7994e+9 what…
A. $4.7994\times 10^9$
-
the following data pertain to the three products produced by excellent …
D. 50,000 units
-
the contents of a cell in a spreadsheet are shown below. 5.5896106e−6 w…
D. 0.0000055896
-
sugar is food for plants, what is the type of sugar plants make? sucros…
B. Glucose
-
the contents of a cell in a spreadsheet are shown below. 8.5305ee9 what…
C. 8,530,500,000
-
the contents of a cell in a spreadsheet are shown below. 5.5896e+7 what…
D. 55,896,000
-
true/false: read each of the following questions carefully and indicate…
47. A. True 48. A. True 49. A. True 50. A. True 51. A. True 52. B. False 53. A. True 54. B. False 55. A. True
-
ernst mayrs definition of biological species only applies to groups of …
does not apply to organisms that reproduce asexually.
-
in the western united states, populations of an annual plant can be fou…
B. biological
-
44 of 50 a biological male client has a history of urinary tract infect…
1. Assist the client to stand for voiding
-
the two strands of a dna double helix are held together by ______ that …
D. hydrogen bonds
-
46. in which stage of the cell cycle does a cell spend most of its time…
B. interphase
-
matching- match the description with the phase of mitosis. some phases …
18. A. prophase 19. D. telophase 20. B. metafase 21. C. anafase 22. D. telophase 23. A. prophase 24. A. prophase
-
three species of mosquitoes appear very similar, but dna analysis revea…
B. cryptic; lineage
-
the nurse is reviewing a clients record and notes that the primary heal…
1. Elevated creatinine level
-
biologists take multiple measurements of head traits in grasshoppers. t…
Morphological
-
lesson 1.1 1. what is the difference between an observation and inferen…
1. Observation is direct - sensing, inference is conclusion from observation. 2. I see a plant has grown new leaves. 3. The plant is getting enough sunlight because it has grown n…
-
hernando pizarros description of the conquest of peru i received permis…
4. Some civilizations in the Americas enjoyed wealth on a par with many in Afro - Eurasia. 5. The Incas built roads and bridges to facilitate networks of exchange in mountainous a…
-
biologists are studying two populations of lizards, one from the northe…
reproductive isolation does not play an important role in the lineage species concept.
-
multiple - choice question when atp is broken down, it loses a phosphat…
phosphate group
-
name three objects we have viewed and processed while using the micro -…
Bacteria, Blood cells, Plant cells
-
1. the major components of blood include all except: a. erythrocytes b.…
1. b. Lymphocytes 2. d. 5 3. c. transportation of oxygen 4. c. 5000
-
a scientist investigates whether the amount of fertilizer added to soil…
# Explicaciones Breves: La variable independiente es aquella que el investigador controla o manipula. En este caso, es la cantidad de fertilizante agregado al suelo. La variable d…
-
45. the type of cell division used to generate skin cells is a. transcr…
D. mitosis
-
choose all that apply. which process(es) use oxygen to make atp? fermen…
aerobic cellular respiration
-
sugars do not function only in the production and storage of cellular e…
B. Plant cell walls are composed of cellulose while fungal cell walls are composed of chitin.
-
part of the membrane of the golgi complex pinches off and moves away. w…
C. to deliver proteins to other locations in the cell
-
biology students used raw eggs in an experiment on tonicity and osmosis…
A. The vinegar solution was hypotonic, causing the egg to gain mass.
-
choose one of the compelling or supporting questions that you developed…
- Conduct research: Find two sources that can help answer the question. Identify the source details (title, author, publication or website). Indicate if it's primary or secondary.…
-
multiple - choice question atp stands for adenovirus triphosphate adeno…
C. adenosine triphosphate
-
an important organelle is missing from this image of a eukaryotic cell …
D. nucleolus
-
scenario 2 what if the earth wasnt tilted? how would animal migration o…
Animal migration and hibernation patterns would likely change significantly as seasonal cues that trigger them would be absent. Human culture, including holidays, clothing, sports…
-
44. how many chromosomes does a standard human gamete (sperm or egg) co…
B. 23
-
question 10 if the foxp2 protein has 717 amino acids, the rna sequence …
A. 2151
-
which of the following processes listed below do you think would not re…
Transporting water across membrane from an area of low solute concentration to an area of high solute concentration.
-
b. short answer 5) explain how the circulatory system helps restore ph …
The circulatory system transports buffers to help restore pH balance. It also circulates immune cells (such as white blood cells) through the blood vessels to the areas of infecti…
-
question 9 you create a hybrid transgene containing dna from a human an…
A. the gene's regulatory region
-
some molecules are too big to pass through the phospholipid bilayer of …
A. proteins
-
3 multiple answer 1 point laud humphreys and the tearoom trade study wa…
3. The study was done in disguise, The study did not inform all of the participants of the truth behind Laud's actions 4. Institutional Review Board
-
rna nucleotides contains ____. (a) ribose, uracil, adenine, cytosine, g…
A. ribose, uracil, adenine, cytosine, guanine, phosphate
-
select the verbal irony in the passage. nowadays it is a duty for a poo…
"Another reason to be proud, this being a citizen! For the poor, it consists in sustaining and preserving the wealthy in their power and their laziness." and "This Revolution was …
-
question 7 lactose intolerance results when a person inherits two defec…
B. The person would digest less lactose than normal.
-
question 6 true or false: the sequence of its amino acids determines th…
A. True
-
the privacy managers is typically, an external contractor a pipeda or p…
C. Responsible for the privacy practices and policies in your organization
-
a student took notes in the table on the roles of various organelles in…
Endoplasmic Reticulum (ER): stores calcium ions and detoxifies chemicals Golgi Apparatus: involved in modifying, packaging, and transporting proteins Cell Membrane: uses various t…
-
question 20 1 pts during the light independent reaction or calvin cycle…
B. carbon dioxide
-
43. which of the following is a characteristic of sexual reproduction? …
b. Offspring have maximum variation
-
question 5 a piece of mrna that is 300 bases long can make a protein th…
B. 100
-
question 4 a dna gene coding sequence that is 90 nucleotides long could…
B. 30
-
sharqan placed a potato slice in salt water. after some time he noticed…
B. The potato cells lost water to the surroundings
-
in this lab activity, students performed an experiment using eggs to ob…
A. If a salt - water fish is placed in a fresh - water aquarium, water will move into the fish cells. E. The egg shrinks when placed in a hypertonic solution.
-
which molecules contain thymine? a proteins b ribosomes c transfer rna …
D. DNA
-
a hydrophobic amino acid r group (side group) would be found where in a…
On the inside of the folded chain, away from water molecules
-
a gene is a section of a(n) ______ molecule. a dna b protein c rna d sm…
A. DNA
-
question 1 10 points a mutation in the gene for insulin results in a pr…
A. The insulin protein will not function properly.
-
quiz instructions please read every question carefully and think about …
solar energy
-
mr. lovelady was a reporter for the journal before becoming an editor o…
B. characterized by the power to evoke laughter
-
12 the infestation and eventual death of forest ants by fungal spores i…
parasitism
-
please read every question carefully and think about each answer choice…
the breakdown of glucose molecules into other smaller carbon based molecules
-
4. evaluate your sources and evidence what kinds of resources might hel…
- Resources: Academic databases, libraries, expert interviews. Locations: Libraries (physical books/journals), online databases. - Source type and reliability: Primary (original m…
-
11 the consumption of fruit by birds is an example of _. mutualism poll…
mutualism
-
question 12 which statement best describes the function of the atp mole…
a molecule which carries chemical energy
-
10 commensalism is an interdependent relationship that benefits both sp…
False
-
sikhs believe that humans have immortal souls that are reincarnated in …
B. undying
-
9 genes opened the evolutionary door to an unprecedented number of prim…
Homeobox
-
between 1775 and 1783, americans fought the british in the revolutionar…
- Americans boycotted British goods before the Revolutionary War began. - The First Continental Congress met before the Revolutionary War began. - The Revolutionary War began 12 y…
-
8 cold blooded vertebrates that lay shelled eggs are known as amphibian…
B. reptiles
-
7 fossil evidence suggests that the birds evolved from primitive amphib…
reptiles
-
6 are the small openings on leaves that regulate the water loss within …
Stomata
-
5 which plant structure serves as an anchor in the ground to provide st…
Roots
-
one of the most important causes of the american revolution was what ca…
The transition word therefore signals a connection that helps explain why colonies were able to buy more British goods.