5. Can you think of an example (like driving a car) that is similar to homeostasis?
Answers
Related Questions
Describe how a similar star from the Sun changes after it leaves the Main Sequence stage of its life cycle?
Answers
Answer:
After a star like sun leaves main sequence, it goes to red giant stage and then planetary nebula and finally white dwarf.
The plant in a is a control plant. explane this statment
Answers
Answer:
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Which term describes the time interval after primary infection when a microorganism lives within the host without producing clinical evidence
Answers
Which of the following is not used in vegetative propagation?
a. leaf
b. stem
c. seed
d. root
Answers
Answer: The correct answer is C, seed. Seeds are not used in vegetative propagation; instead, vegetative propagation involves taking parts of existing plants and using them to create new plants. This can include taking cuttings from stems, leaves, and roots.
18. In pea plants, the seed coat can be green or white. Green is dominant over white.
Construct your own Punnett square that involves one white parent in which 50% of the
offspring can be predicted to have green seed coats.
Answers
Aa * aa
⇒ 50% Aa (Green)
⇒ 50% aa (White)
what is it called when the movement of substances through the cell membrane without the use of cellular energy
Answers
Answer:
Passive Transport
Explanation:
The movement of substances through the cell membrane without the use of cellular energy. Transport Protein. Used to help substances enter or exit the cell membrane. Active Transport.
Consider a variant of Hotelling’s model in which there are 3 candidates and each candidate has the
option of staying out of the race, which is better than losing and worse than tying for first place.
Less than 1/3 of the citizen’s favorite positions are equal to the median favorite position (m).
Answers
The statement suggests that less than one-third of the citizens' favorite positions are equal to the median favorite position.
Hotelling's model is a spatial model of political competition where candidates position themselves along a one-dimensional policy space to maximize their vote share. In this variant, with the inclusion of the option to stay out of the race, candidates have the opportunity to avoid losing by not participating. However, staying out of the race is still considered less favorable than tying for first place.
The statement indicates that less than one-third of the citizens' favorite positions are equal to the median favorite position (m). This suggests that there is a concentration of citizen preferences on positions other than the median. The specific distribution of citizen preferences and its implications would depend on the exact positioning of the candidates and the nature of voter behavior.
Overall, this variant of Hotelling's model introduces an additional option for candidates to stay out of the race, which affects the dynamics of competition and the distribution of citizen preferences. The statement about the concentration of citizen preferences highlights a departure from a symmetric distribution and adds complexity to the strategic choices and outcomes in the model.
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The chemical which carries oxygen in the red blood cells is called
Answers
Answer: Hemoglobin
Explanation:
The pancreas secretes the hormones insulin and glucagon for the homeostatic control of __________ levels in the blood.
Answers
The pancreas secretes the hormones insulin and glucagon for the homeostatic control of blood glucose levels in the blood.
Glucose is a significant source of energy for the body. The pancreas secretes two hormones, insulin and glucagon, which help to control blood glucose levels and maintain homeostasis. Insulin is a hormone that reduces blood glucose levels by promoting glucose uptake and storage in liver, muscle, and fat cells. In contrast, glucagon is a hormone that raises blood glucose levels by stimulating glucose release from liver and fat cells, as well as by increasing glucose production in the liver.
Therefore, the pancreas is a critical organ in the regulation of blood glucose levels, and insulin and glucagon play important roles in maintaining glucose homeostasis in the body.
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About how many times thicker is a
cell wall compared to a cell
membrane?
A. about twice as thick
B. about five times as thick
C. about half as thick
D. up to 100 times thicker
Answers
Explanation:
I think it's up to 100 times
A barrier enclosing the cell, the cell wall is located outside the plasma membrane. The plasma membrane can be up to 100 times thinner than a cell wall, hence option D is correct.
What is a cell wall?Cellulose, a polysaccharide sugar that gives the cell wall strength, makes up the majority of its composition.
The leaf blades of L. perenne and T. repens and the stems of Z had the thinnest cell walls (0–9 m) and the thickest (2–0–3 m) among the cells classified as thick-walled.
Compared to gram-negative cells, gram-positive cells have substantially thicker cell walls. The typical thickness of the gram-positive cell wall is 20–80 nm, whereas the typical thickness of the gram-negative cell wall is 5–10 nm.
Therefore, the cell wall is up to 100 times thicker compared to a cell
membrane, hence option D is correct.
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When is light produced?
A. when an electron moves down an atomic orbit
B.when two electrons collide
C.when an electron moves up an atomic orbit
Answers
Answer: Up
Explanation: when an electron goes up it produces more energy which makes light. :)
Which of the following is not true about Clostridium difficile?
a.
It is a serious cause of nosocomial infections and can develop in association with antibiotic or proton pump inhibitor use.
b.
It can cause the development of pseudomembranous colitis.
c.
It is not capable of forming endospores.
d.
It is common in normal human gastrointestinal microbiota.
e.
none of the choices are true
Answers
The answer is c. It is not true that Clostridium difficile is not capable of forming endospores. Endospore formation is actually one of the main ways that Clostridium difficile is able to survive in the environment and resist disinfection.
Clostridium difficile is a serious cause of nosocomial infections and can develop in association with antibiotic or proton pump inhibitor use, it can cause the development of pseudomembranous colitis, and it is common in normal human gastrointestinal microbiota. Clostridium difficile is a bacterium that can cause various symptoms ranging from mild diarrhea to severe inflammation of the colon (pseudomembranous colitis).
It is indeed a serious cause of nosocomial infections (option a) and can be associated with antibiotic or proton pump inhibitor use. It can cause the development of pseudomembranous colitis (option b). Clostridium difficile is capable of forming endospores, which allows it to survive in harsh conditions and makes it more difficult to eliminate. It is also common in the normal human gastrointestinal microbiota (option d). Therefore, option c is the incorrect statement about Clostridium difficile.
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To generate a knockout mouse cell line, the best strategy is to use the base excision repair pathway. a) True b) False
Answers
The given statement "To generate a knockout mouse cell line, the best strategy is to use the base excision repair pathway" is false. A knockout mouse is a genetically modified mouse that is missing one or more genes to investigate their function.
The gene that has been knocked out is called a knockout gene. Knockout mice are useful for studying the role of genes in physiology, development, and disease, as well as for validating the therapeutic potential of novel drugs. Knockout mice can be generated through various methods, including homologous recombination, gene editing using CRISPR/Cas9, and gene trapping. These methods all aim to disrupt the function of a specific gene within the mouse genome. The base excision repair (BER) pathway is one of many DNA repair pathways present in cells, which repairs DNA damage caused by the modification of a single nucleotide in the DNA chain.
Base excision repair pathway is not a strategy used to generate knockout mouse cell lines. Although it can be employed to introduce mutations into a specific gene in the mouse genome. The strategy to generate knockout mouse cell lines is homologous recombination, which is the insertion of a modified DNA sequence into the mouse genome, resulting in the disruption of a specific gene's function.
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how does the cell membrane work
Answers
Answer:
The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
Explanation:
Why do you think our body cells are called basic unit of life?
Answers
Answer:
Cells make up the smallest level of a living organism such as yourself and other living things. The cellular level of an organism is where the metabolic processes occur that keep the organism alive. That is why the cell is called the fundamental unit of life.
Answer:
Because they come in discrete and easily recognizable packages.
Explanation:
Because all cells are surrounded by a structure called the cell membrane, which, much like the walls of a house, serves as a clear boundary between the cells internal and external environment.
1. Where does the energy of food originally come from?
Answers
What is an Innate Behavior?
Answers
It’s an instinct.
Explanation:
question 39 in keeping with the principle of , it is easier to condition a taste aversion to a(n) food item. a. overshadowing; mild-tasting b. none of these are correct. c. blocking; bitter d. latent inhibition; unfamiliar
Answers
The principle that states "it is easier to condition a taste aversion to a(n) food item" is latent inhibition; unfamiliar. Option D is the correct answer.
Latent inhibition refers to the phenomenon where a familiar stimulus is less readily associated with a conditioned response compared to an unfamiliar stimulus. In the context of taste aversion conditioning, an unfamiliar food item is more likely to be associated with a negative response or aversion due to its novelty.
This is because the unfamiliar food is less likely to have been previously experienced and associated with positive outcomes, making it easier to condition an aversion response.
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Consider the following two statements about succession.
Student 1:
Matthew - As succession begins, communities tend to be dominated by mostly K-selected species. As succession continues, r-selected species tend to compete better and therefore become more and more common.
Student 2:
Iman - As succession begins, communities tend to be dominated by mostly r-selected species. As succession continues, K-selected species tend to compete better and therefore become more and more common.
Which student is correct?
a. Provide a rationale for your answer (2 marks)
b. Provide a specific example of succession which includes at least one example of an r-selected and one example of a K-selected species. (1 mark)
Note - No marks are earned by simply agreeing with either Matthew or Iman
Answers
A 12-year-old girl presents for her annual well child check. She had menarche eight months prior, and has had menses every month. Each cycle lasts two weeks. The patient uses at least six pads on most days of the cycle. On exam, she is pale but otherwise well appearing. Her heart rate is 80 beats per minute, blood pressure 110/65, and respiratory rate 14. The remainder of her exam is within normal limits. Which of the following are the most likely laboratory findings? AHemoglobin 12 g/dL, mean corpuscular volume 80, RDW 10 BHemoglobin 6 g/dL, mean corpuscular volume 60, RDW 12 CHemoglobin 6 g/dL, mean corpuscular volume 60, RDW 18 DHemoglobin 8 g/dL, mean corpuscular volume 100, RDW 10
Answers
Based on the patient's symptoms and exam findings, the most likely laboratory findings would be option B: hemoglobin 6 g/dL, mean corpuscular volume 60, RDW 12.
The patient's heavy menstrual bleeding is likely causing iron deficiency anemia, which is reflected in the low hemoglobin level. The mean corpuscular volume (MCV) of 60 suggests microcytic anemia, which is often seen with iron deficiency. The RDW of 12 is within normal limits and reflects the degree of variability in the size of the patient's red blood cells. It is important for the provider to further assess and treat the patient's heavy menstrual bleeding and iron deficiency anemia, as untreated anemia can lead to complications such as fatigue, weakness, and decreased immune function. Treatment options may include iron supplements, hormonal therapies, or referral to a gynecologist for further evaluation and management of the patient's menstrual bleeding.
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spiders and insects have an excretory system composed of
Answers
Spiders and insects have an excretory system composed of Malpighian tubules.
The excretory system in spiders and insects consists of Malpighian tubules, which are thin, finger-like projections connected to the digestive tract. These tubules help filter waste products from the hemolymph, the insect's equivalent to blood.
The process begins with the tubules selectively absorbing ions, water, and other solutes from the hemolymph. As a result, waste materials such as uric acid and ammonia accumulate inside the tubules.
These waste products are then transported to the hindgut, where they are combined with digestive waste and ultimately excreted from the organism through the rectum. This excretory system helps maintain osmoregulation and remove metabolic waste, ensuring the health and survival of the insect or spider.
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Spiders and insects have an excretory system composed of Malpighian tubules. These tubules help in the removal of waste products and maintaining the balance of water and ions in their body.
Spiders and insects have an excretory system composed of Malpighian tubules. These tubules are responsible for removing waste products from the hemolymph (insect blood) and transporting them to the hindgut, where they are eliminated from the body. This system is similar to the kidneys in vertebrates, but instead of producing urine, Malpighian tubules produce a semi-solid waste product called uric acid. This helps conserve water in these animals, which is particularly important in arid environments where water is scarce.
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are lymphatic capillaries as permeable as blood capillaries adn why
Answers
Lymphatic capillaries are generally more permeable than blood capillaries, and there are several reasons for this difference in permeability:
Endothelial Overlapping: The endothelial cells that form the walls of lymphatic capillaries loosely overlap each other, forming flap-like structures. Gaps in Cell Junctions: Lymphatic capillaries also have larger gaps between their endothelial cells compared to blood capillaries. Absence of a Basement Membrane: Blood capillaries are lined by a basement membrane, which acts as an additional barrier for the passage of molecules.The increased permeability of lymphatic capillaries allows them to efficiently collect and transport various substances, including excess fluid, proteins, fats, and immune cells, from the interstitial spaces in tissues. This fluid, known as lymph, is then carried through the lymphatic vessels and eventually returned to the bloodstream.
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Which figure depicts a transverse plane? Select one:
a.l
b. ll
c. None
d. lll
Answers
b. A plane dividing the body into upper and lower sections is the best representation of a transverse plane in relation to the human body. It cuts across the body horizontally, perpendicular to the longitudinal axis, separating the upper portion (superior) from the lower portion (inferior). So, option B is the right choice.
A transverse plane is a plane that cuts across the body horizontally, perpendicular to the longitudinal axis.It divides the body into upper (superior) and lower (inferior) sections.This plane is often referred to as a horizontal plane or axial plane as well.The transverse plane is useful in anatomical and medical contexts as it allows for the examination of structures and organs in a cross-sectional view.For example, a transverse plane can be used to study and analyze the internal organs of the abdomen or the cross-section of a bone.Option a. (a plane dividing the body into front and back sections) represents a sagittal plane.Option c. (a plane dividing the body into left and right sections) represents a coronal or frontal plane.Option d. (a plane dividing the body into diagonal sections) does not accurately represent a transverse plane.
Therefore, option b. (a plane dividing the body into upper and lower sections) is the best representation of a transverse plane in relation to the human body.
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The complete question may be like:
Which of the following best represents the orientation of a transverse plane in relation to the human body?
a. A plane dividing the body into front and back sections.
b. A plane dividing the body into upper and lower sections.
c. A plane dividing the body into left and right sections.
d. A plane dividing the body into diagonal sections.
The anterior cingulate, which typically decreases as an individual meditates, is the brain area Multiple choice question. that supplies the frontal cortex with the neurotransmitter serotonin.
Answers
Answer:associated with conscious awareness and acts of will
Explanation:
The human body's "default plan" is to develop ___ reproductive anatomy.
Answers
The human body's "default plan" is to develop female reproductive anatomy. This is because during embryonic development, all fetuses have the potential to develop either male or female reproductive organs.
However, the default setting is female anatomy, as the early embryo has two sets of ducts: the Müllerian ducts and the Wolffian ducts. The Müllerian ducts develop into the female reproductive system (fallopian tubes, uterus, and upper vagina), while the Wolffian ducts develop into the male reproductive system (epididymis, vas deferens, and seminal vesicles).
If a fetus has a Y chromosome, it will produce testosterone, which triggers the development of the male reproductive system and the regression of the Müllerian ducts. However, if no Y chromosome is present, the Müllerian ducts will develop into the female reproductive system by default. Therefore, in the absence of male hormones, the human body's default plan is to develop female reproductive anatomy.
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1.1.7.
What is the difference between eukaryotic and prokaryotic cells?
A. Eukaryotic cells are found in bacteria and prokaryotic cells are not.
B. Prokaryotic cells are found in plants and animals and eukaryotic cells
are not.
C. Eukaryotic cells contain organelles and DNA enclosed within a nucleus
and prokaryotic cells do not.
D. Prokaryotic cells contain no organelles except DNA enclosed within a
nucleus and eukaryotic cells do not.
Answers
Answer:
I think it's D, because prokaryotes have no organelles, yet their DNA can be enclosed in a small nucleus (nucleolus).
Which of the following is the best example of a behavioral adaptation?
A. A tiger's sharp claws allows it to easily tear open its prey.
B. Brightly colored male birds attract female birds for reproduction.
C. Flounders on the floor of the Gulf coast use colored scales to hide from predators.
D. Grizzly bears in Alaska will hibernate in the winter.
Answers
The best example of a behavioral adaptation is Grizzly bears in Alaska will hibernate in the winter.
Thus, the correct answer is D.
What is a behavioral adaptation?Behаviorаl аdаptаtion is something аn аnimаl does usuаlly in response to some type of externаl stimulus in order to survive. Behаviorаl аdаptаtion refers to а behаviour thаt аn аnimаl hаs developed or chаnged over time in order to increаse its chаnces of survivаl. Аs а result, their species cаn populаte, reproduce аnd grow. Hibernаting during winter is аn exаmple of а behаviorаl аdаptаtion.
Exаmples of behаviorаl аdаptаtion include migrаtion, hibernаtion, leаrned behаvior, аlterаtion in the mode of reproduction, аltered feeding hаbits, аnd distinct modes of communicаtion.
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Select all of the following tissues that combine to make each skeletal muscle a discrete organ.
A. Nervous tissue
B. Skeletal muscle tissue
C. Loose and dense connective tissue
D. Hyaline cartilage
E. Vascular tissues (blood vessels)
Answers
Explanation:
A. Nervous tissue
B. Skeletal muscle tissue
C. Loose and dense connective tissue
E. Vascular tissues (blood vessels)
Nervous tissue is present in skeletal muscles in the form of motor neurons that innervate individual muscle fibers. Skeletal muscle tissue is the primary component of the muscle organ and is responsible for generating force and movement. Connective tissues such as tendons, ligaments, and fascia provide structural support and help to transmit forces generated by the muscle. Blood vessels supply the muscle with oxygen and nutrients, and remove waste products. Hyaline cartilage is not a component of skeletal muscle tissue.
Help me please with 1, 2 and 3
Answers
Answer:
1. Cobalt,Calcium,strontium
2.Elements in the same period generally have the same number of electron shells in the outermost energy level.
3.elements in the same period are chemically different.
Explanation:
I will give brainliest to whoever answers
Answers
Answer: A, D, D
Explanation:
Answer:ok
Explanation:ok