BIOLOGY PLS HELP!!! A 5% salt cell is placed in a 15% salt solution. What type of solution is this cell in?
a) hypotonic
b) hypertonic
c) isotonic
Answers
Answer:b
Explanation: the solution is more concentrated (hyper) than the cell is
hyper means more than and hypo means less than like hyperthermia (too hot) or hypothermia (too cold)
Related Questions
Amplify 1.5 force and motion lesson.
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During which growth phase do antimicrobial drugs have the greatest inhibitory effect? A) death phase B) stationary phase C) lag phase D) log phase
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Antimicrobial drugs have the greatest inhibitory effect during the log phase of microbial growth.
During the log phase, microorganisms are actively multiplying and dividing at their maximum rate. This phase is characterized by exponential growth, with a rapid increase in the number of viable cells. Antimicrobial drugs target actively growing cells and interfere with essential cellular processes, such as DNA replication, protein synthesis, or cell wall synthesis. As a result, they have the greatest inhibitory effect during this phase, effectively inhibiting the growth and proliferation of the microbial population.
In contrast, during the stationary phase, microbial growth rate decreases, and the number of viable cells reaches a plateau. In this phase, the antimicrobial drugs may have reduced efficacy as they primarily target actively dividing cells. Similarly, in the death phase, the number of viable cells declines as they undergo cell death. Antimicrobial drugs may have limited effectiveness during this phase as the population is already in the process of dying off. The lag phase, which occurs before active growth, is characterized by minimal or no cell division, making antimicrobial drugs less effective during this phase.
In summary, antimicrobial drugs have the greatest inhibitory effect during the log phase of microbial growth when the microorganisms are actively multiplying. Targeting cells in this phase allows for more effective control of the microbial population and inhibition of their growth.
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look at the picture below.what does this represent
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Answer:
Pro there is no picture provided : /
what is cell specialization in a multicellular organism
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Answer:
the process by which generic cells change into specific cells meant to do certain tasks within the body.
Explanation:
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the north american flying squirrel and the draco lizard of southeast asia have both evolved a membrane between their limbs that allows them to glide between trees in their habitats. given that the species do not share a recent common ancestor, which of the following patterns of evolution would explain the development of this anatomical structure in both organisms? parallel evolution divergent evolution convergent evolution a. i only b. ii only c. iii only d. i and ii only
Answers
The following patterns of evolution would explain the development of this anatomical structure in both organisms (the north american flying squirrel and the draco lizard of southeast asia have both evolved a membrane between their limbs that allows them to glide between trees in their habitats. given that the species do not share a recent common ancestor) is convergent evolution (option c. iii only )
Sugar gliders are related to kangaroos and koalas, while squirrels are related to flying lemurs. The similarities between the three types of gliders are the result of convergent evolution, which occurs when similar adaptations evolve independently in different groups.
So, over thousands of years, the Draco lizard has removed the ground from the equation by developing the ability to fly.
These so-called flying dragons have elongated ribs that can be extended and retracted. Between these ribs are folds of skin that, when not in use, rest flat against the body but act as wings when unfurled, allowing the Draco to catch the wind and glide. The lizards steer themselves with their long, slender tails, and each sortie can carry them up to 30 feet.
As a result, despite their distant evolutionary relationship, the flying squirrel and Draco lizard have both evolved an anatomical structure for gliding between trees.
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which statement is false?human beings are bipedal and have paired extremities.the human skeleton consists of 306 bones.the body of every person is composed of the same materials commonly found in the earth.
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The statement that is false among the following three statements is "the body of every person is composed of the same materials commonly found in the earth."This is a false statement because the human body is composed of various elements that are not commonly found in the earth.
The majority of the elements in the human body are carbon, hydrogen, oxygen, nitrogen, calcium, and phosphorus. These are the six main elements that are found in the human body in large amounts. There are some minor elements present in the body in smaller amounts, which include iron, sodium, chlorine, potassium, and magnesium. There are a total of 26 elements that make up the human body. These elements are arranged in different proportions and combinations to form different types of molecules. Proteins, fats, carbohydrates, and nucleic acids are all made up of these elements.The other two statements are true. Human beings are bipedal and have paired extremities. The human skeleton consists of 206 bones, not 306. This is an important fact to remember. There are two types of skeletons that can be found in the animal kingdom: exoskeletons and endoskeletons. The human body has an endoskeleton, which means that the bones are located on the inside of the body, providing protection for the organs and support for the body. Therefore, "the body of every person is composed of the same materials commonly found in the earth." ; this statement is false because the human body is composed of various elements that are not commonly found in the earth.For more such questions on human body , click on:
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Write a summary of the pathways rocks can take to become sedimentary, igneous, and metamorphic rocks.
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Answer:
When a certain type of rock, specifically, an igneous rock, is deeper into the ground, and it is under the influence of high temperatures and pressures, it will start to change its molecular structure over time. In addition to the high temperature and pressure, chemical influences are also very important, so the the rock will gradually turn into a metamorphic rock.
Depending on the type of influences, and their intensity as well, one type of rock can evolve into multiple different types of metamorphic rocks.
Plants exhibit movements in response to various
a) stimuli b) light c) water d) chemicals
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Answer:
plants move towards to the source of light
In an ecosystem, which list of organisms is in the correct order from producer to top-level consumer? (20 points)
A. field mouse, grass, hawk, snake
B. snake, field mouse, hawk, grass
C. grass, field mouse, snake, hawk
D. snake, grass, field mouse, hawk
Answers
Have a great day!
C. grass, field mouse, snake, hawk
An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue.
List of organisms that are in the correct order from producer to top-level consumer is C. grass, field mouse, snake, hawk.
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HELP ASP ASP ASP ASP
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The graph for the relation between age range and percentage of people having CF has been attached at the bottom.
What is a graph?A graph is a graphical representation of the relationship between two or more sets of numbers or measurements. It consists of a set of vertices or nodes, which can be thought of as points, and a set of edges, which represent the connections between those points. Each edge connects two vertices and can be either directed (pointing in a specific direction) or undirected (not pointing in any specific direction). Graphs can be used to model a variety of real-world scenarios, such as social networks, transportation systems, and computer networks. They are an important tool in computer science and are used in a wide range of applications, including search algorithms, data mining, and machine learning.
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In order to perform a soil microbial count on a sample of soil, you made an initial dilution by mixing 0.1g of soil in 10ml of sterile water then performed a serial dilution. You performed two additional 1:10 dilutions and plated 10 ul of the last two dilutions. By adding 0.1g of soil to 10ml of water, you generated a __initial dilution Which plate counts indicate improper technique took place during your dilution series? Choose a CORRECT answer for BOTH of the statements above
A. You generated a 10-2 initial dilution. Plate counts 171 and 25
B. You generated a 102 initial dilution. Plate counts 165 and 16
C.You generated a 10-initial dilution. Plate counts 252 and 25
D. You gerverated a 10-initial dilution Plate counts 312 and 29
E. You generated a 10-3 initial dilution Plate counts 111 and 11
Answers
The correct answer is B. The student generated a 102 initial dilution, and plate counts 165 and 16 indicate that improper technique took place during the dilution series.
To determine the initial dilution, we need to look at the dilution factor of the last two plates. The last two plates were both 1:10 dilutions, which means that they were both diluted by a factor of 10. Therefore, the initial dilution was 10 x 10 x 10 = 10^3 or 1000.
This means that the student added 0.1g of soil to 100ml of sterile water to make the initial dilution. Therefore, answer choices A, C, D, and E are all incorrect because they list incorrect initial dilutions. Only answer choice B lists the correct initial dilution of 10^2, but we also need to consider the plate counts.
Plate counts are the number of colonies that grow on the agar plates, and they can indicate whether there was too much or too little bacteria in the sample. Plate counts that are too high or too low can indicate that the student made a mistake during the dilution series.
In this case, the plate counts are 165 and 16, which is a difference of 10-fold. This means that there was a problem with the dilution series because there should not be such a large difference in the number of colonies between two consecutive dilutions. Therefore, we can conclude that improper technique took place during the dilution series.
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a. If you were designing a pigment to maximize light capture in a new kind of solar array what light absorbing properties would have?
b. what molecule in the sumary equation for photosynthesis ends up in the sugars made by photosynthesis?
c. When Jasmine was a baby, her parents planted a jasmine plant weighing 1 kg in a container in their yard with 50 kg of soil. When Jasmine was 18, the plant was estimated to weigh 75 kg. Then it was time to transplant the plant into the family yard so it could continue growing. When the soil in the container was weighed, its mass was 50 kg. Over the years Jasmine's parents neither added nor removed soil from the container with the plant in it. How did the plant increase in mass by 74 kg while the soil did not change in mass and never needed adding to over the years?
Answers
Answer:
Following are the solution to the given points:
Explanation:
In point a:
When a light absorption dye was to be introduced to optimize the plant's absorbing capacity, the paint could absorb wide different wavelengths besides the observable light spectrum. It must also absorb the UV only at IR light rate to maximize the fluorescence intensity.
In point b:
Its molecule in the production of pentose sugar is the nitrogen and hydrogen atoms of carbon dioxide and water ions of air. Its water oxygen atoms are emitted through oxygen atoms during this phase.
In point c:
Its plant increased with weight while decreasing the weight of the earth, so because manufactured goods needed for plant growth are carbon dioxide from water and air, provided to a plant every day and nitrogen extracted from of the atmosphere through means of microbial materials into nitrogen. So, even if the plant raised its weight, the soil does not change the weight.
What is the role of NADPH in CO₂ reduction?
Answers
A redox pathway is represented by the dark reactions. As CO2 is reduced to glucose, NADPH gets oxidized to NADP+.
NADPH does it lessen CO2?During the Calvin-Benson cycle, carbon dioxide from the atmosphere is transformed into glucose. Utilizing the electrons made accessible by the oxidation of NADPH, calls for the total reduction of CO2. So, a redox pathway is represented by the dark reactions. As CO2 is reduced to glucose, NADPH was oxidized to NADP+.
What function does NADPH perform?All organisms require nicotinamide adenine dinucleotide phosphate (NADPH) as an important electron donor because it supplies the reducing energy needed for anabolic processes and redox balance. NADPH homeostasis is controlled by a variety of signaling channels and various metabolic enzymes that change adaptively in cancer cells.
Does NADH lessen CO2?The equilibrium predicted per thermodynamic considerations, which is likewise attained from the formic acid side, is obtained during the enzyme-catalyzed CO2 reduction by NADH. The Michaelis constant with CO2 is around 40 mM, reflecting the enzyme's poor affinity for this substrate.
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(I will mark brainliest please help!)
1) Which fossil fuel is used to make plastics, Vaseline, and even things like lipstick?
Group of answer choices
coal
oil
natural gas
the sun
2) Using coal for energy can be damaging to the environment because
Group of answer choices
Coal mining require digging deep into Earth’s crust which causes fracking
Leaks during mining can cause spills that pollute the
Many coal plants have had accidents that released radiation into the air.
Coal mining and usage causes much water, land, and air pollution.
3) Which would be the best way for a company to reduce energy usage in its office and have the least effect on employees?
Group of answer choices
Remove half the light bulbs in each office and allow employees to bring battery powered flashlights
Turn off heat/air systems and unplug electrical items while the office is closed
Replace the microwave in the office break room with a charcoal grill
Go paperless on Tuesdays
Answers
Answer:
1. Natural Gas
2. 4
3. 3
Explanation:
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According to Figure 9 of Chapter 14, approximately how many amino acid differences are
there between
a duck and a pig?
(1 Point)
Answers
Answer:
No differences!
Explanation:
There are approximately 22 amino acids and whilst the pig can synthesise the majority of these, there are a number it cannot.
Ducks are from bird origin which mainly consists of 22 amino acids.
Therefore there are no differences between amino acid in a pig and duck.
which is the best statement?
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Answer:
im pretty sure its 4
Explanation:
hypertrophy and atrophy of the (click to select) is regulated in large part by the amount of circulating testosterone and growth hormone.
Answers
Answer:MUSCULAR SYSTEM
Explanation:
The hormones may be defined as the chemical messenger of the body and maintains the body homeostasis. The pituitary gland is the master gland of the body.
The atrophy and hypertrophy of the muscular system is regulated by the levels of the growth hormones and testosterone in the body. The muscle atrophy is decrease in the muscle mass that can cause weakness and hypertrophy is increase in the muscular mass due to the variation of the hormones in the body.
Thus, the answer is muscular system
Identify the organ system(s) to which each organ belongs. Be able to identify the organs from photos, models and charts. Note: Some organs may belong to more than one system. ( 9 points) 2. Using the choices from #1, indicate the organ system(s) that make the statements correct. (10.5) a. The and systems work together to help rid the body of CO_2 . b. The and systems are both needed in order for you to smile or frown. c. If you lift the greater omentum, you will see parts of the system. d. The and systems are all involved when you drink several beers and then need to urinate! c. The and systems are both needed in order to reach an orgasm. f. The system protects the spinal cord from injury if you are in an accident. 8. The and systems work together so you can sweat. h. Parts of the and systems are retroperitoneal. i. The , and systems are involved when you eat 100 Jolly Ranchers, and your blood sugar rises dramatically. (Hint: think about the body's response to high blood sugar?) j. The system will make you better if you come down with a cold this semester. k. Some or all of the systems are found in the in the thoracic cavity. 1. The and and systems are both involved when you fecl the unge to urinate
Answers
The organ systems involved are the respiratory and circulatory (a), the muscular and nervous (b), the digestive (c), the circulatory and urinary (d), the nervous and endocrine (e), the skeletal (f), the nervous system (g), the urinary and digestive (h), the endocrine, digestive and circulatory (i), the immune (j), the respiratory, cardiovascular (k), the urinary and nervous (i).
What are the systems of the body?
The human body consists of multiple organ systems that work together to maintain overall function and health. These systems interact and collaborate in various ways:
(a) The respiratory and circulatory systems work together to deliver oxygen to the body's tissues and remove carbon dioxide through the process of respiration.(b) The muscular and nervous systems collaborate to allow for voluntary and involuntary movements. The nervous system sends signals to the muscles, enabling them to contract and produce motion.(c) The digestive system is responsible for breaking down food and absorbing nutrients, ensuring the body receives essential substances for energy and growth.(d) The circulatory and urinary systems play a role in maintaining fluid balance and regulating blood pressure. The circulatory system transports nutrients and hormones, while the urinary system eliminates waste products.(e) The nervous and endocrine systems work in tandem to regulate bodily functions. The nervous system controls rapid responses, while the endocrine system uses hormones to regulate slower, long-term processes.(f) The skeletal system provides structure, support, and protection for the body, as well as aiding in movement and storing minerals.(g) The nervous system consists of the brain, spinal cord, and nerves, and it coordinates and controls all bodily activities, including movement, sensation, and cognition.(h) The urinary and digestive systems collaborate to eliminate waste products from the body. The urinary system filters waste from the blood, while the digestive system eliminates undigested material through feces.(i) The endocrine, digestive, and circulatory systems work together to regulate metabolism, hormone production, and nutrient distribution throughout the body.(j) The immune system protects the body against pathogens, infections, and diseases, defending against harmful invaders and promoting overall health.(k) The respiratory and cardiovascular systems are closely interconnected, with the respiratory system providing oxygen to the blood, while the cardiovascular system circulates oxygenated blood to the body's tissues.Learn more about body systems in: https://brainly.com/question/13258877
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What is function of the cell membrane ?
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TRUE/FALSE. R-selected species have a short life span and an early reproduction cycle. Please select the best answer from the choices provided
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That statement is true! Species such as clams frequently have enormous reproductive bouts with extremely long lifespans, in contrast to K chosen species such as humans.
What is reproduction cycle?It goes through four stages: menstrual, regenerative, proliferative, and secretory. The cycle duration is the time it takes from the first day of one menstruation to the first day of the following menstruation; most usual cycles last 28 days, but it can range from 21 to 40 days. Puberty and sexual maturity, the breeding season, the estrous cycle, postpartum sexual activity, and aging are all related to the reproductive cycle. Environmental, genetic, physiologic, hormonal, behavioral, and psychological variables all influence these components. Reproduction is a biological process in which an organism reproduces biologically similar offspring. Reproduction allows and guarantees species continuation generation after generation. It is the most important aspect of life on Earth.
Here,
That is correct! Clams, for example, have enormous reproductive bouts with extremely long lifespans, in contrast to K chosen species like humans.
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C
The animals that live in the polar region have the following adaptation(s):
a.) all of the answers listed
b.) thick fur
c.) breed less often
d.) slow maturation
Answers
Answer:
the answer should be A
Explanation:
Northern foxes can have different fur colors. The foxes hunt squirrels for food. Foxes that have fur the same color as their environment are better at getting closer to squirrels and catching them
Answers
Over many generations the environment has changed, due to this the foxes had to adapt.
What is camouflage?Camouflage is defined as use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else.
The white foxes are able to survive longer in the winter because they can camouflage, during that time they are most likely to reproduce and create more white foxes with the same traits. The brown and grey foxes had a harder time to adapt in the newer environments and started dying out.
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What are two major anthropocentric activities that influence the water cycle?
Answers
All the radiation absorbed in the Earth's atmosphere is absorbed in the stratosphere.
Please select the best answer from the choices provided
OT
OF
vit
Next
Submit
Answers
Answer:
False
Explanation:
I literally got it wrong on the quiz
Answer:
The answer is false
Explanation:
i took the test
Is antibiotic resistance a gain in genetic information, or a loss in genetic information?
Answers
Answer: Yes, it indicates that the resistance to antibiotics comes from a loss of genetic information, not a gain in information.
Explanation:
Some scientists found that in each strain of bacteria that had developed resistance to antibiotics the bacteria had dropped from its chromosomes a gene called
k
a
t
G
which codes for the production of two enzymes.
how does a signaling molecule present in low concentrations cause a significant response in the cell?
Answers
Signal amplification
Signal amplification is a process whereby a signaling molecule, present in low concentrations, can cause a significant response in the cell. This process is achieved by the recruitment and activation of downstream effectors, which amplifies the signal and increases the cellular response's magnitude. This can be done in several ways, such as through the sequential activation of protein kinases, the formation of a transcriptional activation complex, or the production of a second messenger. These effectors increase the concentration of the signaling molecule inside the cell, thus amplifying the signal and resulting in a larger cellular response. The signal amplification process is important in cells as it allows them to detect and respond to signals even in low concentrations. This is especially important in cases where the signal molecule may be present only transiently; thus, a rapid response is required for the cell to detect and respond to it.
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PLEALES HELP NOW!
Which of the following is the best example of potential energy?
A baseball player hitting the ball
A horse trotting in an open field
A noodle cooking in boiling water
A runner positioned at the start line
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Answer:a runner positioned at the start line...
What is the Jarman-Bell principle?
Answers
The Jarman-Bell principle is a rule of thumb in economics and business that states that the marginal cost of production should be equal to the marginal revenue.
This means that the price of a good or service should be determined by the cost of producing the next unit of the good or service. The principle was first proposed by English economist Alfred Marshall in 1890 and popularized by American economist and professor of economics William J. Bell in 1925.
The principle applies to many aspects of business, from pricing to production decisions. By understanding the Jarman-Bell principle, businesses can make better decisions on how and when to produce goods, how to price those goods, and how to maximize their profits. This is because they will understand the costs and revenues associated with their production decisions and be able to make more informed decisions.
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which psychologist perspective emphasizes unconscious thought, the conflict between the biological instincts and society's demands, and early family experiences?
Answers
The psychodynamic approach emphasises the conflict between biological drives and social expectations, as well as early childhood family events. Research conducted by Sigmund Freud, as well as by his students and followers, led to the development of the psychodynamic perspective.
The psychodynamic perspective, which has Sigmund Freud's writings as its foundation, emphasises unconscious psychological processes (such as wishes and fears that we are not completely aware of), and it holds that childhood experiences are essential in shaping adult personality.
The humanistic perspective emphasises a person's positive qualities, capacity for development, and freedom to choose one's own path in life. The centrality of phenomenology and the reality of free will are the guiding principles of humanistic psychology.
The majority of what is there in a person's mind, according to psychodynamic theory, is unconscious and is made up of conflicting impulses, urges, and desires. People frequently are consciously unaware of their genuine motivations.
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In many green and purple bacteria, electrons to reduce co2 can come from:.
Answers
Electrons to reduce CO₂ can come from : Glucose
characteristics of green and purple bacteriaMost Non-sulphur Green and purple bacteria are photoheterotrophs because they use light as a source of energy while getting their reducing power from the electrons of glucose.
Green and purple bacteria uses sunlight but do not give out oxygen in return and they do not use only CO₂ as their carbon source, but uses electrons of glucose to reduce CO₂.
Hence we can conclude that Electrons to reduce CO₂ can come from : glucose
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