生物
细胞生物学、遗传学、生态学与生命科学基础。
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read the passage below and answer the question(s) that follow. birds ha…
D. Theropods and birds both have genetic sequences that code for proteins.
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multiple select question select all that apply select the final product…
B. NADH C. Acetyl - CoA D. CO₂ E. ATP F. FADH₂
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which of these are alive? gym socks potato chips potato rewatch
potato
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which statement best describes desmond tutu? he was a politician who li…
He was a religious leader who called for international sanctions against South Africa.
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which statement describes one way that rna differs from dna? one is a p…
They contain different five - carbon sugars and a different nitrogenous base.
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read the passage below and answer the question(s) that follow. scales a…
C. Changes in placodes over time allowed for the development of different structures.
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which process is performed by both plants and animals to break down sug…
C. cellular respiration
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enzymes a decrease the rate and the δg of a reaction. b only increase t…
B. only increase the rate of the reaction.
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what cells in the body are most likely to have originated through the p…
B. sperm and egg cells
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been shown \unwound.\ color the sugars - yellow and the phosphates - gr…
1. Color the sugar - containing parts of the DNA yellow and the phosphate - containing parts green. 2. Use the base - pairing rules (G - C and T - A) to label the empty nitrogen b…
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what is the process in which a caterpillar becomes a moth or butterfly?…
metamorphosis
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which shows the most direct path that carbon can take through the carbo…
plant → animal → atmosphere
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fill in the blank question the p/o ratio takes into account the fact th…
10; 6
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which of the following are products of the light - dependent reaction o…
Oxygen ($O_2$), ATP, NADPH
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what is true about both the 2008 - 2009 and 2014 gaza wars? both result…
Both caused high casualties and destruction in Gaza.
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which type of macromolecule is made up of subunits that are called amin…
A. protein
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what elements are in proteins? how is this different from carbohydrates?
Elements in proteins: carbon, hydrogen, oxygen, nitrogen (sometimes sulfur). Difference from carbohydrates: proteins have nitrogen (and sometimes sulfur), carbohydrates only have …
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multiple select question select all that apply which statements accurat…
There is a higher concentrations of protons in the intermembrane space compared to the matrix. The matrix is negative compared to the intermembrane space.
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11 what happens to the oxygen produced during photosynthesis?
The oxygen produced during photosynthesis is released into the atmosphere and is used by aerobic organisms for cellular respiration.
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select from the following list of statements all of the ways in which m…
All of the above statements are correct ways in which meiosis II differs from meiosis I. So the checked options would be: - Interkinesis doesn't involve the replication of chromos…
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which macromolecule is the main source of energy for living things? fat…
A. carbohydrate
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matching question match the electron carrier with the amount of atp tha…
NADH → 2.5 ATP FADH₂ → 1.5 ATP
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10 how do plants obtain carbon dioxide and water for photosynthesis?
Plants obtain carbon dioxide through stomata on leaves and water through roots from the soil.
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the exchange of genetic material between nonsister chromatids is called…
None of the provided options are correct. The correct phase is prophase I.
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which statement describes how enzymes and substrates are related? the e…
The enzyme influences the speed of change from substrate to product.
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what does the membrane do? it stores water. it lets things through. it …
It lets things through.
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why do humans and animals rely on photosynthesis to survive?
Humans and animals rely on photosynthesis because plants produce oxygen during photosynthesis which is essential for their respiration, and plants also form the primary source of …
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what is a substrate? a molecule that acts as a catalyst a place on the …
a reactant that is catalyzed by an enzyme
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what process allows one cell to become two cells? mitosis photosynthesi…
mitosis
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8 what is glucose, and why is it important for plants?
Glucose is a simple sugar ($C_6H_{12}O_6$). It is important for plants as it provides energy for metabolic processes, is used for energy storage (as starch), and is a component fo…
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photosynthesis is an example of an exothermic reaction. an endothermic …
an endothermic reaction.
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what is the overall purpose of meiosis? multiple choice to produce four…
to produce four genetically different haploid cells
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what process allows one cell to become two cells? mitosis photosynthesi…
mitosis
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which term describes an enzyme? substrate reactant catalyst product
C. catalyst
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which component is released from the active site of an enzyme during a …
product
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how is a chloroplast similar to a solar panel?
Both convert light energy into another form of energy.
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relie chaque hormone à la glande qui la sécrète. hormone de croissance …
- Hormone de croissance : Hypophyse - FSH : Hypophyse - LH : Hypophyse - œstrogènes : Ovaries (chez la femme) - Progestérone : Ovaries (chez la femme) - Testostérone : Testicules …
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form past tense questions by placing did before the subject and by chan…
2. Did he give her a lot of presents? 3. Did they stay in Korea all summer? 4. Did she tell them all about her trip? 5. Did you move here in February? 6. Did Terry fly to Minneapo…
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2. alicia and jeremy weigh a cell phone on a digital scale. they write …
The correct unit is grams. We know this because cell phones are light objects and kilograms are used for much heavier items. 113 grams is a reasonable weight for a cell phone, whi…
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fill in the blank question the final step of the krebs cycle involves t…
First blank: oxaloacetate; Second blank: oxaloacetate
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what do the mitochondria do? they store food and water. they let things…
They power the cell.
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which substance is a nucleic acid? amino acid fat polysaccharide rna
RNA
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which list correctly shows carbohydrates in size from smallest to large…
monosaccharide, disaccharide, polysaccharide
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14. some mammals are covered with thick fur. 15. mammals use their lung…
Vertebrates are classified into different groups based on anatomical - structural, physiological, reproductive, and evolutionary characteristics. Examples: fish have gills and sca…
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glycogen is an energy - storage molecule in humans. a hormone that is c…
Glycogen is a carbohydrate, and insulin is a protein.
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how are proteins and nucleic acids related? they both provide energy. t…
The structure of proteins is determined by nucleic acids.
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how does a dietician help a patient? a dietician treats vision problems…
A. A dietician helps patients get the proper amount of nutrients.
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what does the nucleus do? it controls the cell. it makes food. it carri…
It controls the cell.
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which of the following is true about the organization of living things?…
A. cells are organized into tissues
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which macromolecule forms a double layer as the primary structure of ce…
phospholipids
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name: name obscured date: date obscured directions: use a word from the…
1. juvenile 2. communicate 3. absolute 4. neighborhood 5. relationship 6. beautiful 7. motivate 8. evening 9. volcano 10. tomato 11. isolated 12. (no appropriate word from the ban…
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which level of organization is found in prokaryotes? a tissue b organ s…
d. cell
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which statement correctly compares nucleic acids and carbohydrates? the…
They both contain carbon, but only nucleic acids contain phosphorous.
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what type of microscope would be best for studying the structures found…
d. electron microscope
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lesson 4.3 primary/secondary source analysis read the source and answer…
1. Fear, dread, and a sense of urgency to repent. 2. By emphasizing the immediacy of sin's consequences and the need for salvation, which were hallmarks of the Great Awakening's r…
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what is made of groups of specialized cells that work together to perfo…
C. tissue
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which statement best describes the components of nucleic acids? they ar…
They are made up of nitrogenous bases, sugars, and phosphates.
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which of the following are parts of the cell theory? select all that ap…
A. All organisms are composed of cells. B. Cells are the basic units of life. C. All cells come from other cells.
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which statement best illustrates why carbon is so important to life on …
Carbon occurs as a solid, a liquid, and a gas.
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what do cells have instead of a wall? (choose 2 answers.) plant cells h…
Animal cells have cell membranes.
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2 associe chacune des hormones à son ou ses effets sur le corps à la pu…
FSH - 3 LH - 2 Œstrogènes - 1 Progestérone - Aucune correspondance directe dans la liste donnée Testostérone - 4, 5
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what is stored in carbon bonds? water energy glucose atp
B. energy
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a group of cells of the same kind that perform the same function make u…
tissue
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the oak tree family there are fifty kinds of oak trees native to americ…
D. Only oak trees bear acorns.
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read the definitions. bio = life anthrop = human micro- = small meteor …
biology
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8. what is the base pairing rule and what scientist contributed this? 9…
8. The base - pairing rule is A - T and G - C. Chargaff's rules were important, and Watson and Crick incorporated this into their DNA model. 9. The nucleotide sequence determines …
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what would most likely happen to life on earth if the carbon cycle stop…
Life would cease to exist.
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question 9 the name of the process when two species arise from one is c…
speciation
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which pair of molecules both contain carbon atoms? o fats and proteins …
fats and proteins
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* bleeding kansas: (failure of popular sovereignty) because kansas woul…
The events described are key moments in the lead - up to the American Civil War, centered around the slavery issue in Kansas and the radical actions of John Brown.
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by charlotte m. yonge older roman families were called patricians, or f…
Plebeians were not viewed the same as patricians.
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which substance is considered a building block for all living things? h…
carbon
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which is biotic? wind iron gate sunlight leaf
D. leaf
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inferences in informational texts by charlotte m. yonge older roman fam…
Plebeians were not viewed the same as patricians.
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in order to function efficiently, enzymes need to be at an ideal ph and…
4. pH 5. Temperature
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living organisms, such as trees and cows, share certain characteristics…
One of the organisms gets energy directly from the sun, the other does not.
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which would best be described as abiotic? water in a stream fish in a s…
water in a stream
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which characteristic of life best describes the process of homeostasis?…
responding to the environment
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what was shown by both redis and pasteurs experiments? living things ca…
Living things only come from other living things.
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how were redis and pasteurs experiments similar? both studied the growt…
Both tested the idea of spontaneous generation.
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which term best describes the temperature and weather conditions of an …
C. abiotic factors
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3. describe the effects that enzymes can have on substrates.
Enzymes lower the activation energy of reactions involving substrates, increasing the reaction rate. They are substrate - specific and can regulate metabolic processes.
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sweating when it is hot outside is an example of which characteristic o…
responding to the environment
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which of the following is an example of an abiotic component? water tre…
D. Water
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question 8 (1 point) how many months did the reign of terror last? blan…
Question 8: 10 Question 9: 1792, 1793 Question 10: Maximilien Robespierre Question 11: 10
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try now take some time to explore the living organisms in your backyard…
1. Vertebrates example: A cat (mammal group), a sparrow (bird group). 2. Invertebrates example: A butterfly, an earthworm. 3. Plants example: A rose (angiosperm group), a fern (pt…
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question 6 _____ is the mixing of genes from two different species. (1 …
hybridization
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rate of diffusion is affected by different factors. of the situations b…
methylene blue (molecular weight = 320 g/mol) that is highly concentrated in a liquid
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francis was recording plant heights for an experiment. each time that s…
make the data more valid
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deo recap: enzymes 2. enzymes are typically which type of biomolecule? …
2. Proteins 3. Enzymes lower the activation - energy of reactions involving substrates, increasing the reaction rate. They bind to substrates at active sites and facilitate the co…
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required information equal amounts of methylene blue (319.85 g/mol) and…
Potassium permanganate had a lower molecular weight, so it was able to diffuse more rapidly spreading farther through the agar in the same time.
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what event happened in 1799? ______ overthrows the ______ marking the e…
- Question 1: - Blank 1: Napoleon Bonaparte - Blank 2: Directory - Blank 3: French - Question 5: Reign of Terror - Question 6: Tennis - Court Oath - Question 7: 15
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in the process of diffusion, when sugar is mixed with water, equilibriu…
C. when the dissolved sugar molecules are evenly distributed throughout the solution.
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chloroplasts (plants) capture sunlight to make food. protein & transpor…
Chloroplasts (plants) capture sunlight to make food. Ribosomes make protein. Endoplasmic Reticulum helps produce proteins and lipids. Golgi Apparatus packages and sorts materials.…
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question 1 1 pts the number one cause of species extinction is ________…
habitat
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journals often record ones introspective thoughts and feelings, as well…
True
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comparing plant and animal cells plant cells have a rigid cell wall tha…
Plant cells: cell wall, chloroplast, vacuole; Animal cells: lysosomes; Both: cell membrane, nucleus.
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question the network of fibers that organizes structures and activities…
is the cytoskeleton
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what drew the founding fathers to the political philosophy of john lock…
For the first question: His concept of a social contract. For the second question: By preventing the concentration of power and ensuring checks and balances.
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single - celled organisms are called unicellular. in multicellular orga…
1. unicellular 2. specialized 3. division of labor 4. functions