生物
细胞生物学、遗传学、生态学与生命科学基础。
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question 7 (1 point) ✓ saved \cell mediated immunity\ refers to b cell …
- Question 7: T cell responses to antigen. - Question 8: in the \(F_{Ab}\). - Question 9: cellulogic.
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question 10 (1 point) ✓ saved blood typing tests are performed by takin…
- Question 10: antibodies against A or B type antigens, then observing agglutination. - Question 11: The Western blot test - Question 12: Cytotoxicity
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question 13 (1 point) ✓ saved signs and symptoms of inflammation includ…
- Question 13: cough is the incorrect option. - Question 14: “is a support network of skeletal tissue fibers” is the incorrect option. - Question 15: False. - Question 16: False.
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question 17 (1 point) ✓ saved materials that work well as immunogens in…
- Question 17: proteins, lipoproteins, polysaccharides - Question 18: Atopy - Question 19: Corynebacterium
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question 20 (1 point) cell shape, size, and special characteristics can…
- Question 20: all of the above. - Question 21: Antigens. - Question 22: animal inoculation.
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practice problem 2. rubisco, the enzyme involved in the calvin cycle, c…
Reject the claim. While it's true that early atmospheric conditions (no oxygen) meant photorespiration (due to Rubisco binding \(O_2\)) was not a problem initially (as Rubisco evo…
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question 23 (1 point) ✓ saved complement is found in the red blood cell…
- Question 23: plasma - Question 24: acute, convalescent - Question 25: neutrophils and lymphocytes
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practice mini frq 1. a student wanted to study the effect of varying co…
(a) 550 nm (b) Chlorophyll reflects green - light (550 nm is in the green range) rather than absorbing it. Since photosynthesis (for growth) needs light absorption to convert ligh…
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definitions note the spelling, pronunciation, part(s) of speech, and de…
1. adjourned 2. compensate 3. dissolute 4. expulsion 5. feint; feint 6. illegible 7. lucrative 8. proliferate
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highlight details that support a central idea. in such circumstances po…
Elizabethans had to be very careful about properly preserving and storing food.
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4. what item is suggested by these lines: \the borders we must cross se…
C. a passport
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read the text. streaking across the sky at seventeen thousand miles an …
- Cause: The ISS is huge and shiny. Effect: The ISS is visible without a telescope. - Cause: Earth's shadow hides the ISS. Effect: People can see the ISS only one or two times a n…
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use the text to compare and contrast diesel engines and gasoline engine…
- Are internal combustion engines: Diesel engines (✔), Gasoline engines (✔) - Use a four - stroke combustion cycle: Diesel engines (✔), Gasoline engines (✔) - Use spark plugs: Die…
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read the text. the color of your hair depends on how much of each type …
cause - effect
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read the text. when non - native species are introduced into new areas,…
cause - effect
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read the text. a blacksmith makes objects such as tools, decorative ite…
sequential
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orbital debris is a fancy name for the junk that orbits earth. abandone…
1. Small debris can damage the ISS - Shields offer protection. 2. Large debris can be seen heading toward the ISS - The ISS changes location. 3. Large debris may not be detected i…
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read the text. luther burbank was a pioneer in agricultural science. du…
- Problem: Burbank wanted a disease - resistant potato. Solution: The Russet Burbank was developed. - Problem: Regular plums have pits. Solution: The Sans Noyau was developed. - P…
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animals have taken over islands around the world. the cottony cushion s…
Scale insects were hurting plants on the Galapagos Islands - Australian ladybugs were introduced. Cats overran Tonawanda Island - Locals caught them. Dangerous snakes dominate Ilh…
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read the text. scientists have discovered some pretty unusual ways to f…
- People get the flu: A frog's slime can kill some strains. - People get MRSA infections: A medieval remedy can help get rid of them. - People get skin infections caused by Pseudo…
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read the text. dna testing is an important tool for identifying and tra…
1. Scientists can test DNA samples. 2. Scientists can test eDNA samples.
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a material through which electric currents can flow freely is called a …
- Some atoms contain outer electrons that are loose and can move → Materials made up of these atoms are conductors. - Some atoms contain electrons that are tightly bound and canno…
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in the digital age, computers and cell phones offer an endless stream o…
- Technology is a distraction: Concentration is difficult - The glasses darken: The wearer can't see - Neurofeedback reveals your brain waves: You can learn to focus
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read the text. tides are the alternate rising and falling of large bodi…
- The sun and the moon exert gravitational pulls on the Earth: Tides form. - The Earth, sun, and moon are aligned: Spring tides form. - The Earth, sun, and moon are at a right ang…
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use the text to compare and contrast ac and dc in the late 1880s, inven…
- Was developed by Edison: DC - Runs in a single direction: DC - Can easily be converted to different voltages: AC - Provides most electricity today: AC
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use the text to compare and contrast anise and fennel. anise and fennel…
| | Anise | Fennel | |--|--|--| | Is a flowering plant in the carrot family | ✔️ | ✔️ | | Is native to Southwest Asia | ✔️ | | | Tastes like black licorice | ✔️ | ✔️ | | Only its …
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in a 2024 study, caihong vanderburgh and colleagues examined whether th…
C. The composition of microorganisms in the soil in the strawberry study may not have been representative of a naturally existing composition.
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jackson pollock revolutionized art with his photo - realist paintings. …
B. FALSE
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the flying squirrel is the only flying mammal. true false
B. FALSE
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the blue whale, the worlds largest animal, has teeth 12 inches long.
B. FALSE
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the following information was obtained from a farmers record book numbe…
- Conception rate: 96.875% - Lambing percentage: 95% - Weaning rate: ≈ 93.58% - Mortality rate: ≈ 6.42% - Survival rate: ≈ 93.58% - Twinning rate: ≈ 43.42%
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multiple choice question which of the following describes the path of a…
Right atrium → right ventricle → pulmonary artery → lung → pulmonary vein → left atrium → left ventricle → aorta
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which sentence states a fact? w.e.b. du bois, a founding member of the …
W.E.B. Du Bois, a founding member of the National Association for the Advancement of Colored People, created the organization's official journal, The Crisis.
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sao paulo, brazil - on a recent trip to south america, a team of scient…
C. During a trip, a team of scientists discovers a new insect. The insect is like a firefly but has some differences.
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bats are nocturnal, which means they are active at night. because of th…
A. helpful
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which sentence states a fact? olympic athletes are excellent role model…
The first modern Olympic Games were held in Athens in 1896.
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have you ever wondered what bats do in the winter? the answer depends o…
C. Tree bats roost in hollow trees and buildings. When the weather turns cold in the winter, bats will hibernate in groups or migrate to a warm place like Mexico.
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question 3 · 1 point which amino acid from the following list best fits…
alanine
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bats are nocturnal, which means they are active at night. because of th…
C. Bats are helpful, nocturnal animals that are often misunderstood. Most bats eat annoying insects, while others eat fruit, nectar, and pollen, which help plants reproduce.
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question 10 · 1 point what determines the optimum ph of enzymes? select…
The location in the body where the enzyme will be utilized.
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select the correct answer below: primary secondary tertiary quaternary
secondary
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identify the hierarchy of protein structure from the given image. selec…
secondary
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question 7 · 1 point the location within the enzyme where the substrate…
B. the active site
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question 6 · 1 point what happens to most biological enzymes when the t…
Enzymes become denatured and stop being able to catalyze reactions.
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question 5 · 1 point what features come together to create the specific…
the unique combination of amino acid residues, their positions, sequences, structures, and properties
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identify the overall level of protein structure shown in the image belo…
tertiary
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there are five amino acids, namely, m, p, s, a, and k, in a mixture tha…
Methionine (M)
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question 1 - 1 point the common amino acids can be categorized as posit…
Their side chains (R - group) contain a carboxyl group.
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dalmatians are large - breed dogs. they are called dalmatians because t…
C. a description of Dalmatians
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from the image given above, what does the rising portion of the curve d…
The rate of the reaction catalyzed by the enzyme is increasing with increasing temperature.
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it is very easy to grow seedlings. first, fill seed pots with finely si…
B. how to grow seedlings
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question what is the optimum ph for most physiological enzymes in the h…
7.4
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question what happens to the enzyme lipase in the stomach when the ph i…
The enzyme may change shape, causing a loss of catalytic activity.
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question what is the significance of enzymes in reducing the activation…
Enzymes in the body can increase reaction rates by factors on the order of millions or billions.
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question an active field of research in computational chemistry is pred…
C. According to the lock - and - key model, the shapes of the isolated substrate and enzymes could be compared directly, but according to the induced fit model, the chemist would …
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question which of the following statements about enzymes are true? sele…
C. Enzymes increase reaction rates by lowering the activation energy of a reaction. D. Enzymes increase reaction rates by interacting with the substrate molecules to facilitate th…
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the image above shows a step in the process of an enzyme catalyzing a r…
A substrate approaches the active site of the enzyme.
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what term refers to the clockwise spin of a planet as seen from about t…
retrograde rotation
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earths ______ is about 365 days.orbital processperiod of shiftingperiod…
period of revolution
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what are the major pancreatic enzymes?
The major pancreatic enzymes are proteases (e.g., trypsinogen, chymotrypsinogen), amylase, lipase, and nucleases.
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which of the levels of protein structure is affected by the formation o…
C. tertiary, D. quaternary
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which of the following contribute to the three - dimensional shape of a…
D. All of the above
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question which of the following types of connections maintain the prima…
peptide bonds
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question is the following statement true? if not, explain why not: sinc…
The statement is false because even though the R - groups are not responsible for the hydrogen bonding, they can still interact in ways that lead to a preferential secondary struc…
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question how is it possible for the α - helix to have amino acids with …
C. The R groups lie outside the α - helix structure, while they interfere with the hydrogen bonds in a β - pleated sheet.
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which of the following statements is not true about r groups in β -plea…
only a
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select all that apply. different cell types in an organism have differe…
They contain different mRNAs. They produce different protein products.
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347. why did ralph waldo emerson worry that the new market society was …
347. It put too much focus on work, profits, and consumption. 348. Nathaniel Hawthorne 349. communism
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by dragging and dropping, match the mechanisms of gene regulation in eu…
- DNA - primary transcript: Transcriptional control - Primary transcript - mRNA: Post - transcriptional control - mRNA - polypeptide: Translational control - Polypeptide - active …
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by dragging and dropping the descriptions from beneath the boxes into t…
- **Increase transcription**: Loosely coiled nucleosomes, Decrease in DNA methylation, Increase in histone acetylation - **Decrease transcription**: Increase in DNA methylation, D…
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epidermal growth factor stimulates proliferation and survival in its ta…
1. EGF binds to its membrane receptor 2. conformational change in receptor 3. intracellular proteins bind the activated receptor 4. a kinase cascade is initiated 5. genes involved…
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select all that apply. a silent mutation is highly unlikely to affect a…
multiple codons can code for the same amino acid
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two proteolytic enzymes that help with digestion and inflammation are p…
True for the first statement (papain and bromelain help with digestion and inflammation). False for the second statement (lack of carotenes in the diet will affect a plasma carote…
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what color does the sudan iii dye stain fats? purple white red orange
orange
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which of the following pancreatic enzyme digests protein? trypsin lipas…
Trypsin
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listening to the rainforest by john crossingham rainforests are well kn…
C. They are home to many different creatures.
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consider the excerpt and theme from gilgamesh: a new english version. g…
Friendships are supportive relationships.
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read the excerpt from gilgamesh: a new english version. gilgamesh climb…
It shows that the supernatural are leading Gilgamesh during his quest.
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who, in the following examples, is demonstrating a growth mindset? mark…
All of the above
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2 ben and his family are going boating on the lake this weekend. which …
life vests for everyone in the boat
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3. if you are driving and spot a tornado, which action should you take?…
A. Abandon your car and take shelter in a sturdy building.
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a material through which electric currents can flow freely is called a …
- Cause: Some atoms contain outer electrons that are loose and can move. Effect: Materials made up of these atoms are conductors. - Cause: Some atoms contain electrons that are ti…
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melanin is a substance produced by the epidermis, the outer layer of th…
- Cause: Some people do not naturally produce much melanin. → Effect: The epidermis appears lighter. - Cause: Melanin absorbs the sun's ultraviolet rays. → Effect: Internal organs…
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streaking across the sky at seventeen thousand miles an hour, the inter…
- Cause: The ISS is huge and shiny. $\to$ Effect: The ISS is visible without a telescope. - Cause: Earth's shadow hides the ISS. $\to$ Effect: People can see the ISS only one or t…
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the irish potato famine lasted from 1845 to 1849. since potatoes are ha…
- Cause: Potatoes are robust and easy to grow. Effect: Potatoes were a mainstay of the Irish diet. - Cause: Only one type of potato was grown. Effect: Genetic diversity was reduce…
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read the text. scientist justin schmidt wanted to rank the stings of di…
- Cause: Schmidt wanted to quantify insect stings. Effect: Schmidt was stung by different insects. - Cause: The sting of small bees lasts up to two minutes. Effect: Their sting ea…
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5. according to a study done in 2019, which factor was a better predict…
the person's ZIP code
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identify which conflict is being presented in the passage below. you lo…
Character vs. Nature
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3. which statements about cocaine use in pregnancy are true? select all…
- The mother may show signs of irritability, hyperactivity, and tremors. - The risk of maternal seizures and dangerously high blood pressure increases. - The risks of spontaneous …
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analyze craft and structure character motivation characters, like peopl…
1. The first night alone and the weird noises. 2. He wanted to feel brave. 3. Nervously grabbed a flashlight; Yelled “I'm not afraid of you!”.
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question 50 a carrier of a genetic disorder who does not show symptoms …
2. heterozygous for the trait
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sat nov 15 timed test this test has a time limit of 1 hour.this test wi…
2. metaphase
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once started, this test must be completed in one sitting. do not leave …
4. true - breeding.
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moving to the next question prevents changes to this answer. question 4…
4. genetic recombination could not occur.
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question 46 which of the following statements regarding the differences…
4. Crossing over is an event that creates genetic diversity during mitosis.
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question 45 the genetic material is duplicated during 1. the mitotic ph…
3. the S phase
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which term in the passage includes a formal definition? nutritional val…
genetically modified organisms (paragraphs 1 and 2)
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question 43 process by which the cytoplasm of a eukaryotic cell divides…
2. cytokinesis
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attempts force completion once started, this test must be completed in …
3. cell growth and duplication of the chromosomes
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question completion status: question 40 of 50 question 40 imagine that …
1. incomplete dominance.