生物
細胞生物學、遺傳學、生態學與生命科學基礎。
-
the international organization for standardization’s iso 26000 provides…
social responsibility in manufacturing, employee treatment and hiring practices.
-
based on the reading, what was a significant factor that contributed to…
1. C. The lack of advanced weaponry when facing Spanish invaders. 2. B. They developed in response to their unique environmental conditions. 3. (No correct option shown in the pro…
-
in todays business environment, what tool has been most impactful for c…
A. social media
-
how did medieval japans relationship with china evolve? * 1 point japan…
1. Japan initially adopted Chinese culture, but later adapted and modified it to fit its own unique way of life. 2. Frequent invasions from nomadic groups, religious divisions, an…
-
cellulose is the most common carbohydrate and is commonly found in ____…
plants
-
section 4: analyzing 1. determine 3 different categories that you could…
| Category | Organelles | Explanation | |--|--|--| | Energy - related | Chloroplasts, mitochondria | Involved in energy - production | | Synthesis and transport | Ribosomes, smoot…
-
microtubules are produced by a the cell wall b chloroplasts c the nucle…
d. centrioles
-
the total population graphs below display the results of two different …
The results demonstrate natural selection because the moth populations on dark and light trees change over time in a way that is related to their camouflage ability on those tree …
-
where in the cell is the rough endoplasmic reticulum located? a outside…
B. directly outside the nuclear envelope
-
which organelle plays a highly important role in cell division? a vacuo…
d. centrioles
-
which of the following is not a type of vesicle? a lysosome b peroxisom…
b. Peroxisome
-
multiple - choice question sucrose is a disaccharide composed of: a glu…
a glucose molecule & a fructose molecule
-
centrioles play an important role in which of the following processes? …
A. cellular division
-
the endoplasmic reticulum gets its name from the ribosomes that cover i…
rough
-
proteins are moved from rough endoplasmic reticulum to ____. a the golg…
A. the Golgi apparatus
-
over 80% of a grass grain is composed of the germ or the embryo of the …
False
-
1. what two structures on the microscope will you use to focus on your …
Coarse - adjustment knob, Fine - adjustment knob
-
complete the sentence using one of the following words: stroma, chlorop…
stroma
-
what is the name of the alternate fuel formed from the fermentation of …
B. bioethanol
-
which plastid found in plant cells is the site of photosynthesis? a chr…
B. chloroplast
-
what is structure e? larynx (vocal folds) trachea epiglottis pharynx
trachea
-
fleas live on a cat and feed on the cats blood. the cat eats a bird out…
C. fleas
-
question 8 1.5 pts what is the name of the grass that is considered the…
D. teosinte
-
pigments that give yellow and orange colors to fruits and flowers are s…
chromoplasts
-
the most important group of food plants to humanity due to the inventio…
False
-
membrane - bound organelles in plant cells that perform cellular functi…
Plastids
-
the is a rigid layer surrounding a plant cell that provides structural …
cell wall
-
what is the name of the fern that grows in rice paddies and provides a …
C. Azolla
-
which statement describes a parasite? a parasite is beneficial to its h…
A parasite only benefits when the host is alive.
-
question 3 1.5 pts rice is the plant that feeds more people worldwide t…
True
-
if you wanted to increase your muscular endurance, it would be importan…
A. increase the size of the muscle cells and the amount of blood that is delivered to the muscle
-
the procedural term \spirometer\ means tool for the visual examination …
recording device that measures the amount of air inhaled or exhaled; to measure breathing
-
crosscutting concepts 38. connect to nature of science how is it that t…
38. The cell theory is a scientific theory due to its basis in observation and experimentation, and its development follows the scientific process of hypothesis - testing and idea…
-
click to correct the one capitalization error. george washington became…
George Washington became president after leading the fight against England in the Revolutionary War.
-
which of the following options is not an example of respiration? respir…
"Respiration includes the exchange of carbon dioxide for oxygen"
-
which term means \the process of moving air into and out of the lungs; …
ventilation
-
which of the following is true about external respiration? it includes …
It includes the act of taking in air as the diaphragm contracts. It includes the act of breathing out as the diaphragm relaxes. It includes the movement of gases in the alveolar c…
-
which term means \the exchange of oxygen for carbon dioxide in the alve…
C. external respiration
-
42. which of the following acts to protect the developing floral bud? a…
A. Sepals
-
which statement best describes the factors that affect muscular enduran…
A. size of the muscle cells, ability to store fuel, and blood supply to the muscles
-
cellular respiration - fill in the table below. then use the informatio…
| Name of the metabolic step | Location in the cell | Molecules entering the metabolic step | Products produced in the metabolic step | Electron (e⁻) carrier molecules produced | …
-
cellular respiration - fill in the table below. then use the informatio…
| Name of the metabolic step | Location in the cell | Molecules entering the metabolic step | Products produced in the metabolic step | Electron (e⁻) carrier molecules produced | …
-
the unsaturated lipid dha is an omega - 3 fatty acid that is synthesize…
- Permeability will decrease because DHA is an unsaturated fatty acid so its presence usually increases membrane permeability. - Permeability will be altered but other changes in …
-
35. revisit the anchoring phenomenon in constructing models of both a p…
The student should choose a rigid material for the plant cell wall and a flexible material for the cell - membrane of both cells to reflect the differences (rigid wall in plant ce…
-
which of the following is a source of methane gas? human respiration tr…
First question: D. Natural gas leaks Second question: A. Sea level falling
-
certain eye irritations may be worsened in cities most likely by _, whi…
1. C. photochemical smog; reactions between light, heat, and VOCs 2. D. Decreased pH levels in lakes, rivers, or other bodies of water
-
34. apply scientific reasoning the beaker shown here has a membrane tha…
Initially, the fluid level on Side A rises and on Side B falls due to osmosis as water moves from Side B to Side A. After adding starch to Side B, if the concentration on Side B b…
-
5. what is osmosis? (1 mark)
Osmosis is the diffusion of water across a semi - permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
-
a small fish eats plant material. later that day, a heron dives into th…
prey
-
which statement describes a host organism? a host shares nutrients with…
A host loses nutrients to a parasite.
-
cell membranes are an essential element of life because they create a b…
Cell membranes provide a barrier to the free passage of charged or large polar molecules because these molecules cannot interact with the hydrophobic tails of membrane lipids. pH …
-
which statement describes a host organism? a host shares nutrients with…
A host loses nutrients to a parasite.
-
which is one characteristic of producers? they recycle nutrients. they …
They do not eat other organisms.
-
32. sep evaluate models cells are often compared to factories. how is t…
### Question 32 The comparison of cells to factories is useful for understanding the division of labor within cells. It falls short because cells are living entities with self - r…
-
when you eat a meal, proteins in your food are broken down in your gut …
The diagram with the purple transport - like structure facilitating the movement of amino acids from the intestinal cell (where there are more amino acids) to the bloodstream (whe…
-
if you have ever had a stomach virus, you know how hard it can be to st…
Your cells would swell because the concentration of molecules in solution would now be higher inside the cell than outside the cell and water would diffuse through the membrane in…
-
the viability — or aliveness — of cells being grown in a lab is often a…
The concentration of water is higher inside the cell than out so water molecules will diffuse out of the cells, causing them to shrink.
-
oxygen gas (o₂) is carried to all of your organs and tissues through yo…
Oxygen will move from the blood into the muscle by diffusing directly through cell membranes.
-
phosphorous can sometimes harm aquatic ecosystems because it is made th…
false
-
29. how does specialization of cells contribute to maintaining homeosta…
29. Specialized cells perform specific functions that contribute to maintaining the stable internal environment required for homeostasis. 30. The levels of organization are cells,…
-
what role does a lion play in an ecosystem? decomposer producer predato…
predator
-
27. which group of organisms consists of specialized cells? a. unicellu…
27. D. multicellular eukaryotes 28. C. reproduce
-
a human ingests a tapeworm. the tapeworm lives in the humans intestines…
C. parasite
-
3. to procure to the several states various blessings, of which an isol…
D. The development of a new national Constitution
-
fill in the blank question. within myofibrils, thick filaments are comp…
Myosin; Actin
-
multiple choice question what is muscle fiber? a muscle cell a bundle o…
A. A muscle cell
-
identifying roles in a food web choose the statements that accurately d…
The frog is a secondary consumer. The algae are producers. The flies are primary consumers. The snails are primary consumers.
-
9 multiple choice 10 points which protein is a negative regulator of th…
9. D. p53 10. D. Neurons
-
6 multiple choice 10 points what role do checkpoints play in the cell c…
6. They ensure cells are ready to divide 7. It self destructs in a process called apoptosis. 8. False
-
which statements accurately describe parasite - host relationships? che…
Parasites can live in or on their hosts. Parasites benefit from their hosts. Hosts are harmed by parasites.
-
fill in the blank question the different connective tissue coverings in…
tendons
-
4 multiple choice 10 points in which phase of the cell cycle does cell …
4. B. M 5. C. DNA replication, D. cell growth
-
25. what is the main difference between passive transport and active tr…
25. Passive transport occurs along a concentration gradient without energy; active transport occurs against a concentration gradient and requires energy. 26. The two types are pri…
-
directions: create an outline for your dbq essay. the outline will supp…
**Prompt**: Compare and contrast the European and Polynesian techniques and rationales for exploration. **Thesis statement** (to be created by the writer): [Writer's proposed thes…
-
multiple - choice question nitrogen in our atmosphere cannot be used by…
false
-
1 multiple choice 10 points what is the primary reason that multicellul…
1. Cells divide to create more cells 2. Uncontrolled cell division 3. True
-
22. large molecules, such as glucose, move across cell membranes throug…
22. B. facilitated diffusion 23. Osmosis 24. Cells contain more solutes (e.g., salts, sugars, proteins) than fresh water, making them hypertonic.
-
fill in the blank question long bundles of contractile proteins found i…
myofibrils
-
identifying roles in an ecosystem which roles belong to decomposers? ch…
- Decomposers break down waste and dead organisms. - Decomposers recycle nutrients in the environment.
-
20. the relatively constant internal physical and chemical conditions t…
20. C. homeostasis 21. C. diffusion
-
identifying the role of organisms some coral polyps within a coral reef…
Consumers
-
fill in the blank question the cytoplasm of a muscle fiber is called the
sarcoplasm
-
multiple choice question a skeletal muscle fiber is ____. a cord of con…
a single muscle cell
-
a type of flatworm called the green - infects snails’ eyes, making the …
parasite - host
-
carbon is pulled from the atmosphere by plants for photosynthesis. fals…
True
-
participants were randomly assigned to either the role of prisoner or g…
A. "personal possessions removed and locked away"
-
between organisms a type of flatworm called the green - banded broodsac…
Parasitic relationship
-
label each part of the cell cycle g1 s g2 mitosis cytokinesis using you…
G1: Cell growth and preparation for DNA replication. S: DNA replication. G2: Cell growth and preparation for mitosis. Mitosis: Nuclear division. Cytokinesis: Cytoplasmic division …
-
how does the alcohol ethanol work as a treatment for ethylene glycol po…
Ethanol competes with ethylene glycol for alcohol dehydrogenase due to its higher affinity for the enzyme. This blocks the formation of toxic ethylene glycol metabolites like glyc…
-
if producers receive 1000 units of energy, approximately how much energ…
100 units
-
3 multiple choice 20 points what is the main difference between habitat…
3. Habitat is where an organism lives; niche is how it lives and interacts. 4. 10%
-
what is the correct order of ecological organization from most specific…
1. Organism, Population, Community, Ecosystem, Biome, Biosphere 2. Lions keeping grazing animal populations under control so there's no overgrazing.
-
identifying roles in a food chain identify the role of organisms in thi…
- dragonfly: Primary consumer - frog: Secondary consumer - grass: Producer - hawk: Tertiary consumer - mushrooms: Decomposer
-
some researchers want to study how bacteria reproduction is affected by…
C. temperature
-
what enzyme metabolizes ethylene glycol and what are the products of th…
Alcohol dehydrogenase metabolizes ethylene glycol, producing glycoaldehyde and potentially further - oxidized harmful acids.
-
a group of scientists wants to test the effect of humidity on plant gro…
C. humidity
-
label each part of the cell cycle g1 s g2 mitosis cytokinesis
The large light - blue section labeled 'S' is the Synthesis phase. The other sections, in a clock - wise direction (assuming starting from the section adjacent to 'S'), would be l…
-
identify the dependent variable in the following experiment: a scientis…
A. growth of the bacteria
-
which organisms are secondary consumers? check all that apply. kelp kel…
sea otter, horn shark
-
photosynthesis occurs in the epidermis of leaves. true false
FALSE