生物
细胞生物学、遗传学、生态学与生命科学基础。
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correct the text by inserting one comma. after the convention on intern…
After the Convention on International Trade in Endangered Species (CITES) voted to ban the trade of ivory in 1989, elephant populations slowly began to recover.
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impact of social media on teenagers social media has changed the way te…
## First question answer: The author connects the shift by explaining that visual platforms (Instagram/Snapchat) replace textual sharing with curated images/videos. This leads tee…
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indique si chacun des énoncés est vrai ou faux. sil est faux, corrige-l…
a) Faux. La plupart des protéines sont obtenues par l'alimentation, le corps synthétise seulement certaines à partir des acides aminés issus de la digestion. b) Faux. Les glucides…
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question 8 of 10 which option best revises this sentence so that it use…
C. Transportation planner Sarah Reidel believes companies can improve traffic and help the environment by encouraging employees to use alternative means of transportation, providi…
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match the details to the way they develop the central idea in the passa…
- They are more energy-efficient. → More efficient than gasoline-powered cars. - Electric cars produce zero emissions. → Reduces air pollution. - Governments offer incentives. → E…
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Question was provided via image upload.
# Explications succintes: ## Question 6 : Chaîne de transformations énergétiques 1. L'énergie solaire (du Soleil) réchauffe inégalement l'atmosphère, créant de l'**énergie mécaniq…
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a river contains several beaver dams that are constructed from tree lim…
space adequate for building a shelter
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where does competition for reproduction most likely occur? ecosystem co…
population
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what is one way to classify mud found in an ecosystem? ○ organism ○ pop…
D. abiotic factor
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which statement describes competition for shelter? ○ bees work together…
B. Two prairie dogs fight over underground space.
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which phrase defines a community? environment where nonliving things ex…
group of several populations living in an area
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a drought is a long period of dryness. if animals fight during a drough…
water supply
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plants absorb nutrients from soil, and nutrients help plants grow. whic…
B. ecosystem
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which descriptions can be used for sand on a beach? ○ abiotic factor, o…
abiotic factor, nonliving thing
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question 14 of 25, you should verify the latest tax update has been ins…
A. From the Home Window go to Help, select About Sage 50, and click Support Info ### Question 15
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match each factor influencing health with its correct description. soci…
Aspects such as genetic makeup, family history, and health conditions that cannot be changed by the individual
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match each factor influencing health with its correct description. soci…
Aspects such as genetic makeup, family history, and health conditions that cannot be changed by the individual
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match each factor influencing health with its correct description. soci…
Environments in which people are born, grow, live, learn, work, and age
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select the correct answer from each drop - down menu. when a cat drops …
chemical energy to mechanical energy
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the scatter plot and line of best fit below show the length of 10 peopl…
The predicted height for someone with a femur length of 54 cm is 183 centimeters.
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select the correct answer from each drop - down menu. a biologist disco…
mantle
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question 7 one of the disadvantages of the experimental method is a. th…
A. the fact that experiments often can't be done for practical or ethical reasons.
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question 3 an independent variable in an experiment refers to a. the va…
B. the variable that affects the subjects’ behavior.
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1 which of the following can aid an active reader when responding to pr…
Journaling, brainstorming, free writing, creating or asking questions, write a letter to the author, or summarizing and paraphrasing the main points
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what are the \bars\ connecting the backbone of dna? salt and phosphates…
Nitrogenous bases
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5. _______________ is promoted as a clean alternative to fossil fuels, …
First blank: Electricity; Second blank: Coal; Third blank: Blackouts; Fourth blank: Brownouts ### Question 6
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how did hershey and chase confirm that dna is the genetic material? the…
D. They labeled protein and DNA with radioactive markers and found only DNA entered infected cells.
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what happens to photosynthesis in a plant if the temperature is too hig…
Photosynthesis will stop.
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what happens to photosynthesis in a plant if there is no carbon dioxide…
Photosynthesis will stop.
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what happens to photosynthesis in a plant if there is too little or too…
Photosynthesis will slow down.
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which of these are the reactants involved in the photosynthesis equatio…
carbon dioxide and water
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what is produced during photosynthesis? $6\\ce{co_2} + 6\\ce{h_2o} \ ig…
Glucose and oxygen
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key essential questions how do animals find mates? why do animals care …
1. Visual Displays (e.g., peacocks fanning their tails) 2. Auditory Signals (e.g., songbirds singing) 3. Chemical Signals (e.g., moths using pheromones)
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which of the following statements concerning cancer is true? cancer cel…
D. Cancer is the uncontrolled growth of human cells in the body.
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which of the following statements concerning the cellular basis of dise…
B. Foreign bacteria can damage human cells, C. Almost all medical conditions can be traced back to the improper functioning of the body’s cells, D. Understanding the cellular basi…
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use the drop - down menus to select the best answers. ova and sperm are…
First blank: gamete Second blank: stem
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which of following statements are true? check all that apply. the human…
C. The human body consists of eukaryotic cells and prokaryotic cells D. Many of the prokaryotes that live in the body have no noticeable positive or negative effect
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which of the following structures are found in both eukaryotic cells an…
- flagella - ribosomes - DNA - cell membranes
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which of the following structures are found in eukaryotic cells? check …
- endoplasmic reticulum - mitochondria - Golgi apparatus
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which of the following statements best describes a germ cell? germ cell…
The correct option is the second one: Germ cells are cells that the body uses for reproduction. ### Second Question (About Stem Cell):
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what is the defining difference between eukaryotes and prokaryotes? pro…
B. Eukaryotes have a cell nucleus, while prokaryotes do not.
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which of following statements are true? check all that apply. the cells…
- The cells of unicellular organisms are larger than those of multicellular organisms. - Multicellular organisms consist of many different types of cells.
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17. multiple choice: in which cerebral lobes is the speech center locat…
a) frontal
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17. multiple choice: in which cerebral lobes is the speech center locat…
a) frontal
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17. multiple choice: in which cerebral lobes is the speech center locat…
a) frontal
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what does symbolism in drama typically represent? a. characters b. idea…
1. b. Ideas or concepts 2. a. Setting 3. b. Monologue 4. b. Words spoken by characters 5. b. The evolution of plays
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robert e. lees decision to invade the north in 1862 and 1863 aimed to a…
1. Demoralize Northern civilian population 2. European intervention 3. Created severe civilian shortages 4. Build government and wage war
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sherman’s march to the sea cut a path through georgia targeting railroa…
1. Improved Union supply lines 2. Compromise peace was impossible 3. Commander in Chief 4. Heavy unsustainable casualties 5. Everyone in army path 6. Civilian support levels
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1. which document officially abolished slavery in the united states? a.…
1. c. 13th Amendment 2. a. William T. Sherman 3. a. It was a turning point that led to Union victory 4. d. Battle of Antietam 5. b. To weaken the Confederacy by destroying its inf…
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Question was provided via image upload.
1. Peripheral Nervous System 2. Central Nervous System 3. visual processing (or vision) 4. peripheral body (or peripheral nervous system) 5. somatic 6. autonomic 7. sympathetic 8.…
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what is the primary cause of parkinson’s disease? a. degeneration of th…
1. b. Loss of dopamine-producing cells in the brain 2. d. Dendrites 3. a. To relay messages between the brain and the rest of the body 4. d. Persistent headaches and dizziness
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1. which nervous system disorder is characterized by memory loss and co…
1. d. Alzheimer's Disease 2. d. Promotes rest and digestion 3. b. Serotonin 4. c. Transmits information between the CNS and the rest of the body 5. d. To regulate involuntary func…
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8. which part of the small intestine is primarily involved in nutrient …
9. a. Jejunum 10. a. Diaphragm 11. d. The heart 12. a. Mouth 13. d. Transport food from mouth to stomach 14. c. Signals the release of digestive enzymes 15. d. C-shaped rings of c…
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the primary organs responsible for respiration are the __________. the …
1. lungs 2. inhalation (or inspiration) 3. windpipe 4. gas 5. bronchioles 6. hemoglobin 7. exhalation (or expiration) 8. two 9. abdominal 10. respiratory bronchioles 11. external …
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what is the main function of the trachea in the respiratory system? a. …
1. a. To transport air from the larynx to the bronchi 2. d. Diaphragm 3. c. By diffusion through the alveolar walls
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1. the trachea is commonly known as the a. throat b. voice box c. windp…
1. c. Windpipe 2. a. Diaphragm 3. d. To exchange oxygen and carbon dioxide 4. c. To transport air into the lungs 5. d. To decrease the volume of the chest cavity 6. a. C-shaped ri…
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question 13 this type of stress typically results from long therm stres…
Question 13: D. Chronic Stress Question 14: D. Eustress
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1. by far the most common internal - combustion engine is the _________…
reciprocating piston engine (or gasoline engine can also be filled here as per the context, but more accurately, the most common internal - combustion engine type that the gasolin…
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your trial access to the first three (3) chapters expires in 21 days. c…
It includes a claim or assertion supported by evidence or reasons.
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4. how can you tell that a poems lines are broken according to metrical…
You can tell by: 1. Identifying the poem's expected metrical pattern (e.g., iambic pentameter with 10 syllables and alternating stressed/unstressed beats per line). 2. Counting sy…
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which introduction to an essay on public transportation effectively use…
D. Imagine a city with no traffic jams, thanks to public transportation. Public systems like buses and trains help lower urban crowding by reducing cars on the road
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question 4 (1 point) listen unless you are given permission to complete…
True
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question 4 1 pts a person performs best on a moderately challenging tas…
C. Yerkes-Dodson law
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question 3 1 pts a child who inherits a gene for musical talent is plac…
C. Genetic environmental correlation
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question 2 1 pts a person who has difficulty recognizing fear in others…
B. Amygdala
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which phrase describes how jupiter and saturn are similar? visible stor…
many moons
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in addition to hot surface temperatures, which characteristic makes mer…
Mercury has no moon.
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how long does it take for the moon to complete one revolution around ea…
27.3 days
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hamilton hamilton: sir washington: draft a statement of neutrality. usi…
A statement of neutrality is a formal declaration by a country (or entity) that it will remain impartial and not take sides in a conflict (such as a war), avoiding involvement in …
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hamilton: you must be out of your —— mind if you think the president is…
The King (Louis XVI) and Queen (Marie Antoinette) of France were killed by the revolutionary government of France (executed via the guillotine during the French Revolution, with t…
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which two phrases describe the motion of all the outer planets? no rota…
fast rotation, slow revolution
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question 1 1 pts which concept refers to the idea that genes influence …
Question 1: Genetic environmental correlation Question 2: Temperament
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jefferson: in return, they didnt ask for land only a promise that wed l…
The Secretary of State is mainly responsible for conducting a country's foreign policy, managing diplomatic relations with other countries, negotiating treaties, representing the …
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select the correct answer from each drop - down menu. the sun is the pr…
First dropdown (example correct option, assuming common options): A. electromagnetic energy (or similar relevant energy - related term for Sun's emission) Second dropdown: B. cons…
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select all the correct answers. when people run quickly, they can sweat…
- Heat energy is released from the body to the surroundings. - Chemical energy is converted to mechanical energy that’s used for muscle movements.
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3.4 use a codon table to transcribe and translate dna sequences get 5 c…
Ala
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select all the correct answers. the arctic fox is different from the br…
A. The brown color camouflages the arctic fox when snow melts during the summer. B. The white color camouflages the arctic fox during the winter. C. The brown color camouflages th…
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select the correct answer. what is the primary biomolecule that cells u…
A. ATP
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which phenomena help form earths magnetic field? check all that apply. …
- rotation of Earth on its axis - motion of metal in Earth's outer core
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select the correct answer from each drop - down menu. some vitamins are…
First drop - down (vitamin C source): A plant - based food rich in C (e.g., "Citrus fruits", "Plant - based foods") Second drop - down (vitamin B12 source): An animal - based food…
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select the correct answer. which statement about the difference between…
A. Autotrophs transform radiant energy into chemical energy, but heterotrophs can’t.
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select the correct answer. which food component is indigestible by the …
B. fiber
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select the correct answer. the image shows a magnified view of a leaf’s…
D. They allow the exchange of gases between cells in the leaf and the external environment.
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select the correct answer. why do plants excrete more carbon dioxide at…
C. Photosynthesis uses some of the carbon dioxide released during the day.
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select the correct answer. which important biochemical process receives…
C. glycolysis
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drag the tiles to the correct locations. the tiles can be used more tha…
| Feature | Type of Reaction | |--|--| | releases oxygen | light - dependent reactions | | fixes carbon dioxide | light - independent reactions | | takes place in the stroma | lig…
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select all the correct labels on the image. the diagram is a representa…
- Thylakoid space (in the chloroplast, related to photosynthesis) - Intermembrane space (in the mitochondrion, related to cellular respiration)
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select the correct answer from each drop - down menu. fats obtained fro…
First blank: Unsaturated fats Second blank: Trans fats
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select the correct answer. what are the two types of dietary carbohydra…
D. simple and complex
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which process occurs only in autotrophic organisms? a. calvin cycle b. …
A. Calvin cycle
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beginning with carbon fixation, arrange the steps of the calvin cycle i…
1. carbon dioxide reacts with a 5 - carbon compound 2. formation of an unstable 6 - carbon compound 3. formation of a stable 3 - carbon compound 4. use of ATP to form a high - ene…
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select the correct answer. in animals, the nose enables the exchange of…
C. stomata
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2 what statement best compares photosynthesis and cellular respiration?…
A. Photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark.
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drag the labels to the image. the labels can be used more than once, bu…
For the glycolysis - related cycle (above glucose → pyruvate): - Left box: \(NAD^+\) - Right box: \(NADH\) For the lactic acid fermentation - related cycle (above pyruvate → lacti…
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drag each tile to the correct location. determine whether each characte…
| Plants | Fungi | | --- | --- | | They are autotrophic. | They are heterotrophic. | | The cell wall is made up of cellulose. | The cell wall is made up of chitin and glucans. | |…
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select the correct answer. rachel ate a piece of fruit and happened to …
A. angiosperms
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select the correct answer. the leaves of a plant fold inward when touch…
A. nastic response
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select the correct answer. larry’s science teacher mentioned protozoans…
B. animal - like protist
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drag the tiles to the correct boxes to complete the pairs. match each c…
gymnosperms → cones contain the seeds angiosperms → ovary encases the seeds pteridophytes → spores occur underneath the leaves bryophytes → absorbs nutrients through diffusion and…
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old north church where did robert newman and john pulling jr. light lan…
A. the steeple of Old North Church