What organelle is composed of a membrane with pores?
1. Dr. Lairmore makes the point that veterinarians don't just treat "the animal," but approach treatment from a "one health" perspective. What other things are veterinarians looking at, and why?
ANSWER===== They are also looking at interacting on the animal health side and people and environment side because animals usually have owners that are human that the vets have to work with to make the animal better.
For bacteria to continue growing rapidly when they shift from an aerobic environment to an anaerobic environment, they must
1. Which of these organisms is most likely 5 centimeters in size?
A. Lizard
B. Tree
C. Ant
D. Bacteria
2. Which of these are an organism
A. Virus
B. Heart
C. Bacteria
D. Lung
3. which of these is not a basic need of all organisms
A. Food
B. Soil
C. Water
D. Appropriate Environment
4. which of these is a basic need of all organisms
A. Soil
B. Sunlight
C. Oxygen
D. Food
5. The subgroup that comes after genus is ____.
A. Kingdom
B. Order
C. Family
D. Species
Will give brainlyiest with correct answers!!
5 CENTIMETERS is too big foe an ant. It would be A. Lizard
When is facilitated diffusion necessary?
Facilitated diffusion is necessary when cell membranes prevents a substance from diffusing on its own.
Facilitated diffusion is a type of passive transport that involves movement of solute materials down the concentration gradient.
Further Explanation;Transport in living organismsPlants and animals use various processes to transport materials from one point to another.There are classified as either passive transport or active transport.Passive transportIt is a type of transport that does not involve the use of energy to aid movement of substances in living organisms.Passive transport involves free movement of substances and through special types of transporters or carriers.Types of passive transport includes; simple diffusion, facilitated diffusion, osmosis, and mass flow among others.Active transport It is a type of transport in living organisms that involves movement of substances against a concentration gradient and involves use of energy in form of ATP to aid transport of substances.Types of passive transportFacilitated diffusionFacilitated diffusion is a type of passive transport which involves the diffusion of solutes by use of transport proteins in the plasma membrane.Facilitated diffusion uses transport proteins to transport solutes down their concentration gradient. Osmosis Osmosis is a special diffusion that involves the movement of water molecules from a region where they are highly concentrated to a region where they are lowly concentrated through a semipermeable membrane.It may also refer to the movement of water molecules from a region of low particle concentration to a region of a high particle concentration.Diffusion Diffusion is a type of passive transport that involves movement of particles from a region of high concentration to a region of low concentration.Diffusion involves movement of molecules of substances other than water.Keywords: Passive transport, Diffusion, Osmosis, Passive transport
Learn more about: Passive transport; https://brainly.com/question/6873289Active transport: brainly.com/question/11907495Osmosis: brainly.com/question/6032182Diffusion: brainly.com/question/7068868Level: High school
Subject: Biology
Topic: Transport in living organisms
Sub-topic: Passive transport
Jon is campaigning for the introduction of buffer zones around the large commercial farms in his community to manage the effects of chemical fertilizers. What will a buffer zone do?
a) allow the fertilizer to evaporate
b) dilute the fertilizer
c) deactivate the fertilizer
d) protect surface waters from fertilizer runoff
e) destroy the fertilizer
A buffer zone around large commercial farms is intended to protect surface waters from the harmful effects of fertilizer runoff by intercepting pollutants before they reach water bodies and contribute to eutrophication and 'dead zones'.
Explanation:Jon is campaigning for the introduction of buffer zones around the large commercial farms in his community to manage the effects of chemical fertilizers. A buffer zone will most effectively protect surface waters from fertilizer runoff. Buffer zones are areas of land maintained in permanent vegetation located between cultivated fields and water bodies, designed to intercept pollutants, soil, and agricultural runoff, containing nitrogen and phosphorus, before they enter water systems. Without such zones, excessive nutrient loads from fertilizer runoff can lead to the eutrophication of water bodies, resulting in an overgrowth of algae that can create 'dead zones' by depleting dissolved oxygen and harming aquatic life. The correct answer to the question is (d) protect surface waters from fertilizer runoff.
A buffer zone around large commercial farms can help manage the effects of chemical fertilizers by d) protecting surface waters from fertilizer runoff. When fertilizer is applied to farmland, it can be carried away by rainwater or irrigation and enter nearby bodies of water, causing eutrophication and dead zones. A buffer zone acts as a barrier, absorbing and filtering nutrients from the runoff before they reach surface waters.
Which of the following changes will result in a decrease in salinity?
increased dissolved gases
ice caps melting
evaporation
Which of the following describes how binary fission and mitosis are similar?
A)They are both used for growth or repair.
B)They both break down membrane-bound nuclei.
C) Both involve the replication of a single strand of DNA.
D) Both replicate genetic material.
The correct answer is A.
hope this helps :D
Answer:
The correct answer is D. Both replicate genetic material
Explanation:
Mitosis is the process when an animal cell, plant cell, et cetera divides into two (or replicates itself).
Binary fission is the process when a bacteria splits off into two, which is a simple process since bacteria don't have a nucleus.
They both replicate genetic material when dividing or splitting into two,
so the correct answer is D. Both replicate genetic material.
Hope this helps!
Which area of the brain is associated with classical conditioning and motor movements? the medulla the cerebellum the pons the reticular formation?
The __________ is the long thin structure which carries the electricity generated by neurons.
Which respiratory measurement is useful in differentiating between obstructive and restrictive pulmonary dysfunction?
The respiratory measurement that is useful in identifying the difference of obstructive and restrictive pulmonary dysfunction is that a person with restrictive lung disease is indicative of having to have trouble of expanding the lungs while the obstructive lung disease has trouble of having to exhale air from the lungs.
A nebula, or swirling cloud of interstellar dust and gases,is seen. What happens next in the star formation procces?
Answer:
The next step in the process is the formation of a prestar core.
Explanation:
After the interstellar dust and gases concentrate in a determined zone gravity starts to unite them and they gather forming a core that is united by gravity. The surroundings start to disperse and the remaining dust starts to expand in the neighboring regions forming different levels of density in dust and gravity force. Which lately will form the satellites, planets or spacial objects that will be bound to the future sun. It is only the second step in the formation of the new star.
What is an enzyme? What does it do?
Describe the end products of a single episode of meiosis?
The end products of a single episode of meiosis are four haploid cells called gametes.
Explanation:In a single episode of meiosis, the end products are four haploid cells, known as gametes. These gametes are genetically unique due to the random assortment of chromosomes and crossing over during meiosis. Each gamete contains only one set of chromosomes, which is half the number found in the original cell.
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What is the difference between diffusion and active transport in a cell?
Is glacial ice part of the geosphere, or does it belong to the hydrosphere?
Answer:
Hydrosphere
Explanation:
All the glacial ice present on earth belongs to the hydrosphere. Hydrosphere represents all the water bodies (ice, vapor, and liquid) existing on earth.
Glaciers are the region where the temperature is low and continuous accumulation of snow takes place in consecutive years. In due course of time, these accumulated snow undergoes compaction as a result of which it subsequently forms ice.
The factors that are responsible for the formation of snow re s follows-
1) Areas of high latitude
2) Low temperature
3) Presence of abundant snow
4) Snow accumulation must be more.
Human blood, which has a pH of approximately 7.4, is a/an _______ substance. A. acidic B. slightly alkaline C. salty thick D. neutral
Human blood, which has a pH of approximately 7.4, is a slightly alkaline substance. The correct option is B.
The pH 7 is regarded as neutral on the pH scale, which runs from 0 to 14. A substance's pH scale ranges from 0 to 14, with 0 being acidic and 14 being alkaline.
A pH of 7.4 indicates that human blood is somewhat alkaline in nature and is just barely over the neutral range.
In order to maintain its regular function, the body carefully controls the pH of the blood. The body's acid-base balance and other biological activities require a pH that is somewhat alkaline. For general health and the efficient operation of the body's systems, the body's capacity to maintain the right pH of blood is essential.
Thus, the correct option is B.
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Using the scientific method a what must be tested as the focus of an experiment
Answer:
The correct answer will be- hypothesis.
Explanation:
The scientific method is used to understand and explain the natural events of nature. The scientist performs the sequential steps to reach the conclusion which includes experimentation.
The experiments are performed to test the proposed predictions called "hypothesis" of the scientific question which explains the question to a limit. The hypothesis is based on the earlier research done on the question so is considered a well-educated guess.
Thus, the key component of being tested via experiments is the "hypothesis".
If you spend too much time leaning back on the your physical fitness will
Answer: Recliners; Decline
Explanation:
If a person spends most of time leaning back on the recliners then the physical fitness of the person will decline.
Leaning back for a longer duration of time decreases the health of spines, as it may lead to pain in back.
Physical fitness needs to be maintained by proper workout and exercise, taking breaks in between if maintaining a constant postures for longer duration of time.
What fertility technique extracts ova, combines them with sperm, and after a few days, implants two or three blastocysts into the woman's uterus?
In a cell, all organelles work together to carry out
what is the difference between conduction and convection?
The process of science takes place in one specific order. true or false
The process of science does not follow a single specific order, it is complex and nonlinear.
Explanation:The statement that the process of science takes place in one specific order is False. Science is actually a complex endeavor that cannot be reduced to a single, linear sequence of steps. Real science is nonlinear, iterative, creative, unpredictable, and exciting. Scientists often undertake the steps of an investigation in a different sequence or repeat the same steps many times as they gain more information and develop new ideas.
Describe the effects that enzymes can have on substrates amoeba sisters
Answer:
The enzyme has two effects on the substrate either break it down or built it up.
Explanation:
An enzyme is a biocatalyst that reduces the activation energy of chemical reactions.
Enzyme substrate follows the lock and key model.
Enzymes either bind with 2 substrates join them together or bind with a substrate and break it down.
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Does oxygen gain or lose electrons to become stable
Describe the conditions under which acclimatization occurs. are acclimatizations passed on to a person’s offspring?
Which statement correctly describes the relationship between the human population, technology, and fish population stocks?
A.) As the human population grows, and fishing technology increases, fish population stocks decline.
B.) As the human population grows, we have largely shifted to technology-intensive methods of raising fish and this has allowed wild stocks to rebound.
C.) As the human population grows, we're meeting our drinking water needs through the desalinization of seawater and this is lowering the level of the oceans and harming fish populations.
D.) We now use biotechnology to create genetically modified fish that grow so fast that we can meet all of human fish needs, removing all impacts of humans on wild populations.
The correct statement is A.) As the human population grows, and fishing technology increases, fish population stocks decline, due to unsustainable fishing practices and overharvesting.
The relationship between the human population, technology, and fish population stocks is one where increased human population and advancements in fishing technology have led to a decline in fish populations. As the demand for fish has grown with the human population, fishing methods have become more efficient with the advent of diesel technology and mathematical ecology. Unfortunately, these advancements have not always been used sustainably, leading to overharvesting and subsequent declines in fish populations. Sustainability in this context means fishing at rates that do not exceed the population's ability to reproduce and maintain healthy population sizes.
Historically, during the age of sailing, fishing efforts had low impact on the environment, allowing fisheries to operate within their carrying capacities. Transitioning to modern times with diesel-powered vessels and advanced fishing techniques, the human capacity to fish has greatly increased. Despite these technological advances, the pressure on fish populations has continued to grow, leading to overfishing and a decline in marine biodiversity, as fish populations are unable to rebound quickly enough to meet intense fishing pressures.
To summarize, the correct statement that describes the relationship between human population growth, technological advancements, and fish stock populations is: A.) As the human population grows, and fishing technology increases, fish population stocks decline. This is due to overharvesting, habitat destruction, and unsustainable fishing practices that have grown alongside human population and technological capabilities.
Compare the dna fingerprint of person 1 and person 2. explain how this fingerprint would have looked different if you had digested the dna of each person with hindiii instead of ecori.
EcoRI and HindIII recognize different sequences of DNI and cut the molecule in different points. For this reason, when digesting the molecule with HindIII, the exposed pattern of minisatellites would have looked different than when using EcoRI.
-------------------------------------------------
A restriction enzyme is a degradative polymer that recognizes and cuts up specific nucleotide sequences in DNI. Restriction enzymes can produce cohesive cuts or blunt (abrupt) cuts, depending on the recognition sites. The frequency in which the restriction enzyme will produce the cuts depends on the recognition sequences and the number of bases that compose them.
EcoRI cuts between G y A. Hind III cuts between A y A.So restriction enzymes cut DNI molecules into different short sequences of varying lengths. These pieces are called minisatellites and exhibit the existing variation from one person to the next. These short sequences can be separated by using gel electrophoresis and will express a pattern of differentiation. These are the restriction fragment length polymorphisms pattern, RFLP. Each individual has a unique pattern of minisatellites, which makes this person different than the rest.
The method used to identify an individual based on the minisatellites patterns in their DNI is known as DNA fingerprinting. Although the difference in base sequences between two individuals is very small, fragments produced by restriction endonucleases are of different sizes.
Because EcoRI and Hind III recognize different sequences and cut sites, they will cut the same molecule in different pieces, resulting in a different pattern.
So, when digesting DNI of person 1 and person 2 with
EcoRI → the short sequences pattern will express certain differences between individuals. HindIII → the exposed pattern will differ from the first one and show other differences. both enzymes together → minisatellites will be even shorter and express a third different pattern.----------------------------------------
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How do you write an expression for "the product of 11 and w."?
The process by which a final product acts as an inhibitor to the enzyme that catalyzes the commitment step in a metabolic pathway is called feedback activation. positive feedback. concerted activation. feedback inhibition. competitive inhibition.
"The correct term for the process described is feedback inhibition.
Feedback inhibition is a regulatory mechanism where the final product of a metabolic pathway acts as an inhibitor to the enzyme that catalyzes the first committed step of the pathway. This is a form of negative feedback that helps to maintain homeostasis by preventing the overproduction of the end product when it is no longer needed.
To clarify the other terms mentioned:
- Positive feedback occurs when the product of a reaction stimulates the reaction's rate, leading to an amplified response.
- Concerted activation refers to a model of allosteric regulation where the binding of a ligand to one site on an enzyme affects the binding affinity at other sites, usually leading to activation.
- Feedback activation is not a commonly used term in biochemistry. Instead, feedback inhibition is the correct term for the process described.
- Competitive inhibition is a type of enzyme inhibition where the inhibitor molecule binds to the enzyme's active site, competing with the substrate for the active site.
Therefore, the term that correctly describes the process where the end product inhibits the enzyme catalyzing the commitment step in a metabolic pathway is feedback inhibition."