Four-ringed lipid molecules of the cell membrane are ______. Multiple choice question. phospholipids cholesterol molecules triglycerides
Answers
Four-ringed lipid molecules of the cell membrane are cholesterol molecules. Correct answer is b.
Bacterial plasma membranes frequently consist of a single kind of phospholipid and do not contain cholesterol; an overlaying cell wall increases their mechanical stability. In contrast, the majority of eucaryotic cells have more diversified plasma membranes that include a variety of phospholipids in addition to high levels of cholesterol.
Phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine, and sphingomyelin are the four primary phospholipids that predominate in the plasma membrane of many mammalian cells. The other three are electrically neutral at physiological pH, carrying one positive and one negative charge; only phosphatidylserine carries a net negative charge, the significance of which we explain later. More than half of the lipid bulk in most membranes is made up of these four phospholipids. Inositol phospholipids are one type of additional phospholipid.
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Complete question is:
Four-ringed lipid molecules of the cell membrane are ______. Multiple choice question.
a. phospholipids
b. cholesterol molecules
c. triglycerides
Related Questions
The ________ lobes are responsible for voluntary movement, thinking, personality, and purposeful actions.
Answers
Answer:
Frontal
Explanation:
The ____frontal____ lobes are responsible for voluntary movement, thinking, personality, and purposeful actions.
Tongue rolling is dominant to not being able to roll your tongue. Mr. Chonko can roll his tongue, and
for the three
his genotype i Tt. Mrs. Chonko cannot roll her tongue. What are the possible outcomes
Chonko daughters? *Use letter T.
Genotypes
Phenotypes
Percent
Answers
We don't allow inquiries longer than 32 words, therefore "Genotypes" and any following terms were ignored. The ability to rolling one's tongue is still a dominant trait (R); people with the genetic condition are unable to do so. however, his mother might.
Why am I unable to use my tongue?
An allele of said gene known as the dominant allele is responsible for the capacity to roll one's tongue. One or more copies of said dominant gene confer the ability to twist one's tongue. A person who is born with four recessive alleles is unable to bend their tongue.
What is the likelihood that their offspring will roll their tongues?
Each child has a 50% probability of carrying the tongue-rolling heterozygous genotype and a 50% chance of carrying the Tongue rolling genotypes are homozygous recessive. If a child is heterozygous, due to total dominance, it will exhibit the phenotypic of a tongue roller.
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We don't allow inquiries longer than 32 words, therefore "Genotypes" and any following terms were ignored. The ability to rolling one's tongue is still a dominant trait (R); people with the genetic condition are unable to do so. however, his mother might.
Why am I unable to use my tongue?An allele of said gene known as the dominant allele is responsible for the capacity to roll one's tongue. One or more copies of said dominant gene confer the ability to twist one's tongue. A person who is born with four recessive alleles is unable to bend their tongue.
What is the likelihood that their offspring will roll their tongues?Each child has a 50% probability of carrying the tongue-rolling heterozygous genotype and a 50% chance of carrying the Tongue rolling genotypes are homozygous recessive. If a child is heterozygous, due to total dominance, it will exhibit the phenotypic of a tongue roller.
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Why do scientist use scientific names to refer to organisms
a: common names are too complicated for scientist to remember
b:similar organisms in different areas sometimes have the same common name
c:using scientific names ensures that non-scientists do not have access to useful information about organisms
d: the scientific name tells the reader what domain the organism belongs to
Answers
Explanation:
Similar organisms sometimes in different areas have diffetent common names.
Which of the following terms would best describe the
bones that make up your vertebrae?
A flat bones
B irregular bones
C short bones
D long bones
Answers
How many numbers of parents contribute jeans to the blue headed Wrasse
Answers
The site for countercurrent multiplier and exchange in the nephron is ________. (a) proximal tubule (b) nephron loop and vasa recta (c) distal tubule and collecting duct.
Answers
The site for the countercurrent multiplier and exchange in the nephron is the nephron loop and vasa recta. Therefore, option "B" is correct. This is also known as the juxtamedullary nephron loop.
Juxtamedullary nephrons are responsible for the regulation of water in the body. It is located between the medulla and renal cortex. The properties of the loops are, they have a long loop of Henle extending deep into the renal medulla. Here, due to the long loop, it forms a hairpin-like structure because of the bending. Therefore it is known as a loop of Henle.
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C. List five organs that enable animals to respond to stimuli.
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H Q₁: Define and illustrate the following ther inologies? I 1) The contact angle 1 1 2) pressure angle I 3) Coriolis force(effect) 4) scotch yoke mechanism 5) The Cam angle H 1 H
Answers
The contact angle is the angle formed between a liquid droplet and a solid surface at the point where they come into contact. It is a measure of the wettability of the surface by the liquid.
Pressure angle: The pressure angle is an important parameter used in gear design. It is the angle between the direction of the force exerted on a gear tooth by another gear and a line tangent to the pitch circle of the gear. Coriolis force (effect): The Coriolis force, also known as the Coriolis effect, is an apparent force that acts on a moving object in a rotating reference frame.It is caused by the rotation of the Earth and can be observed in various phenomena, such as the deflection of moving objects (e.g., projectiles or air currents) on the Earth's surface.Scotch yoke mechanism: The scotch yoke mechanism is a type of mechanical linkage used to convert rotary motion into linear motion. It consists of a sliding yoke or slider that is driven by a rotating crank.The pressure angle refers to the rotational position of a camshaft in an engine. A camshaft has lobes or cams that are used to control the opening and closing of valves in the engine.
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The skull is divided into two parts: the cranium, which protects the brain, and the:
A) frontal bone
B) joints
C) malar bones
D) facial skeleton
Answers
Answer: facial skeleton. The skull is divided into two parts: the cranium, which protects the brain, and facial skeleton. Facial bones include the mandible, vomer, maxillae, zygomatics, nasals, lacrimals, palatines, and inferior conchae
Since humans are vertebrates, we have a spinal column, which is also referred to as a backbone. We have a complicated skeletal system made up of bones, cartilage, tendons, and ligaments in addition to the backbone.In addition to supporting your body structurally, bones carry out a number of essential biological functions, including as protecting your internal organs and storing essential nutrients.
Source of support: For instance, your upper torso is supported when standing by the larger bones in your legs. Without bones, we wouldn't have a distinct shape. Because they transmit the force of muscle contractions, facial skeleton bones are also essential for movement in the body.Your muscles and bones are joined by tendon tissue. Your bones operate as a lever and your joints as a pivot point when you contract your muscles. Your bones also serve to safeguard a number of your inside organs. Examples include the way your rib cage protects your heart and lungs or the way the bones in your skull protect your brain.
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All of the following macromolecules are polymers EXCEPT
A lipids. C nucleic acids.
B proteins. D carbohydrates.
Answers
Answer:
A. Lipids
they are monomers
Answer:
a
Explanation:
all of them is about the molecules except lipids
What breaks downlactic acid
Answers
Answer:
your liver and kidneys
Explanation:
Lactate is cleared from blood, primarily by the liver, with the kidneys (10-20%) and skeletal muscles doing so to a lesser degree. The ability of the liver to consume lactate is concentration-dependent and progressively decreases as the level of blood lactate increases.
the underlying disorder of anemia is defective secretion of intrinsic factor, which is essential for the absorption of vitamin b12.
Answers
Pernicious anemia is a decrease in red blood cells that occurs when the intestines cannot properly absorb vitamin B12.
Pernicious anemia (PA) is a kind of anemia resulting from a deficiency of cobalamin vitamin B12, which in turn is caused by a lack of intrinsic factor. Intrinsic factor is glycoprotein that binds to cobalamin and helps in absorption of terminal ileum.
Our body needs vitamin B12 to make red blood cells. we obtain this vitamin from eating foods items such as meat, poultry, shellfish, eggs, and dairy products. intrinsic factor (IF), binds vitamin B12 so that it can be absorbed in the intestines.
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What structure is in some plant cells but not all
Answers
Answer: The vacuole is found in some plants cells but not all of them like the Mature cells.
Explanation:
You pass a home that has a marijuana plant in a hanging planter on the deck. As a police officer, you stop and seize it, arresting the occupants of the home. They argue that Katz prevents you from doing so. What would be the ruling
Answers
Based on the scenario provided, the ruling would depend on the specific circumstances and the applicable laws in the jurisdiction. However, the Katz case generally protects individuals from unreasonable searches and seizures by law enforcement. The presence of a marijuana plant in a hanging planter on a private deck may not be sufficient grounds for a warrantless search or arrest, unless there is additional evidence or circumstances that establish probable cause or a legal basis for the search and seizure.
In the case of Katz v. United States (1967), the Supreme Court established the "reasonable expectation of privacy" test. This test determines whether a search conducted by law enforcement is considered reasonable under the Fourth Amendment of the United States Constitution.
In the scenario given, the individuals argue that the search and seizure of the marijuana plant is a violation of their Fourth Amendment rights. To assess the ruling, several factors need to be considered, such as whether the deck where the plant is located is considered private property, whether the plant is visible from a public area, and whether the officers had a valid reason or probable cause to initiate the search and seizure.
If the deck is considered private property and not readily visible to the public, the individuals may have a stronger argument that they had a reasonable expectation of privacy. However, if the deck is visible from a public area and the marijuana plant is in plain view, it may weaken their argument.
It is important to note that laws and interpretations can vary by jurisdiction. Therefore, the specific laws and precedents in the relevant jurisdiction would ultimately determine the ruling in this scenario.
The ruling in the scenario would depend on the specific circumstances, applicable laws, and the interpretation of the Fourth Amendment in the jurisdiction. The Katz case generally protects individuals from unreasonable searches and seizures, and the presence of a marijuana plant on a private deck may not be sufficient grounds for a warrantless search or arrest unless there is additional evidence or circumstances establishing probable cause or a legal basis for the search and seizure.
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antibodies expressed by plasma cells are secreted from the cells. what is the function of these free antibodies?
Answers
They start a second immunological reaction.
What are the purposes of plasma cells that secrete antibodies?Distinguished B-lymphocyte white blood cells called plasma cells are able to secrete immunoglobulin, or antibody.These cells, which are the primary cells in charge of humoral immunity, play a crucial part in the adaptive immune response.
What use does an antibody protein serve?An antibody is a protein-based element of the immune system that travels through the blood, detects and destroys foreign entities like bacteria and viruses.
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If the answer to the question cannot be _______ and _________ using a scientific process, it is not considered science.
Answers
Answer:
If the answer to the question cannot be _Tested_ and_observed_ using a scientific process, it is not considered science.
Tested and Observed.
Regardless of the physical traits that are determined by genes, an organism must receive the proper
to develop normally,
O genes
O cells
food
exercise
Answers
Answer:
food
Explanation:
I think food is the answer because food has alot of nutrients that help in the proper development of the body.
I hope this helps
All intrinsic muscles of the tongue are innervated by cranial nerve XI. True FalseThe thyrocervical artery participates in the posterior formation of the Circle of Willis. True False
Answers
The given statement, "All intrinsic muscles of the tongue are innervated by cranial nerve XI" is False. and "The thyrocervical artery participates in the posterior formation of the Circle of Willis" is also False.
The innervation of the intrinsic muscles of the tongue is provided by the hypoglossal nerve, also known as the twelfth cranial nerve. The hypoglossal nerve is a pure motor nerve that is responsible for the movement of the muscles of the tongue.
The Circle of Willis is a ring-like arterial structure that encircles the base of the brain. It is formed by the union of the vertebral arteries and the internal carotid arteries. The thyrocervical artery is a branch of the subclavian artery that supplies blood to the neck and the upper limb. It does not participate in the formation of the Circle of Willis.
Hence, the given statement is false.
Therefore, both statements are false.
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Salt was added to the milk after it fermented over night. Does the salt effect the
size of the curds?
Answers
Especially with bacteria and fungi, the most common manifestation of growth on solid media is the appearance of
Answers
The most common manifestations of growth of bacteria and fungi on solid media is the appearance of surface texture, transparency, and the color.
Bacteria and fungi cultureBacterial and fungus culture is a method that allows the multiplication of bacterial and fungi cells in or on a culture medium under controlled laboratory conditions.
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Why is providing adequate carbohydrates to spare protein important to preventing complications in liver failure
Answers
Answer: The body uses carbohydrates for energy instead of proteins,
Explanation:
I hope this works
The composition of the cell membrane allows some molecules to cross it more easily than others. This is called "relative permeability."
Answers
You are correct, the composition of the cell membrane allows some molecules to cross it more easily than others. This is known as relative permeability.
The cell membrane is made up of a lipid bilayer, which is composed of two layers of phospholipids. Each phospholipid molecule has a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail.
The hydrophilic heads face outward, while the hydrophobic tails face inward. This arrangement creates a semi-permeable barrier that allows small, non-polar molecules to pass through easily, but prevents larger, polar molecules from crossing the membrane.
Relative permeability is an important concept in cell biology because it allows cells to maintain homeostasis by controlling the movement of molecules across the cell membrane.
For example, the cell membrane is relatively permeable to oxygen and carbon dioxide, allowing these gases to move freely across the membrane. However, it is less permeable to ions, such as sodium and potassium, which require the help of specialized transport proteins to cross the membrane.
Overall, relative permeability is a key feature of the cell membrane that helps to regulate the movement of molecules in and out of the cell.
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which one ? A? B? C? D?
Answers
Answer:
b
Explanation:
maybe something else too but B for sure
the anatomic area(s) not seen in a transverse plane:
Answers
The anatomic areas not seen in a transverse plane Are anterior and posterior.
The horizontal plane divides the body or part of it into upper and lower parts. The median plane is the sagittal plane through the midline of the body. Divide the body or part of it into right and left halves. The sagittal plane is the vertical line that divides the human body into left and right. The coronal plane is the vertical line that divides the human body into anterior and posterior parts.
The transverse plane, on the other hand, is the horizontal line that divides the human body into upper and lower parts. A transverse plane divides the body or part of it into upper and lower parts. Note that each of the three anatomical planes can be traversed and retains the names associated with those directions. Imagine standing at the shallow end of a pool with water about navel high.
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As a student jumps over a hurdle, she loses contact with the ground and moves upward. She returns to the ground because unbalanced forces cause a change in the — A mass of the student B height of the student’s jump C gravitational pull on the student D speed and direction of the student
Answers
Answer:
I need the picture or the numbers for it
Answer:
I believe its D speed and direction of the student
Explanation:
Unbalanced forces change an objects motion called acceleration
Acceleration is the change in speed or direction of an object
B b
B BB ??
b Bb bb
In some animals, brown eyes (B) are dominant over blue eyes (b). Which of these genotypes will complete this Punnett square?
A.
BB
B.
bb
C.
Bb
D.
B
Answers
Answer:
C. Bb
Explanation:
The given Punnett Square uses two Bb (One dominant and one recessive trait for both). Set the Punnett Square. The Punnett Square will take one trait from each parent:
\(\left[\begin{array}{ccc}&B&b\\B&BB&Bb\\b&Bb&bb\end{array}\right]\)
The missing offspring is the top right value, which results in Bb. Therefore, C. Bb, is your answer.
~
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Define photophosphorylation?
Answers
The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.
Wind power is ? 1. Prevalent in denmark 2. Non-polluting 3. Renewable 4. All of these
Answers
Answer:
All of these
Explanation:
Because it's renewable and non-polluting
Answer:
It is All of these
Explanation:
hope this helps.
the ___ that is a characteristic of second messenger systems allows even a small quanitiy of hormone to have a strong effect on a targey cell
Answers
The amplification that is a characteristic of second messenger systems allows even a small quantity of hormone to have a strong effect on a target cell.
Hormone binding to intracellular receptors is one of the cellular reactions to second-messenger systems that are triggered by hormones.
In this Second messengers, or intracellular signalling molecules, are released by a cell in response to extracellular signalling molecules, also known as first messengers.
Cellular changes brought on by second messengers include depolarization, migration, apoptosis, differentiation, and proliferation.
Hormones are attached to receptors by secondary messenger systems, which starts off a chain of events that lead to actions.
Chemicals known as secondary messengers are responsible for relaying data from cell surface receptors to destinations inside the cytoplasm or nucleus of the cell.
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5. If a scientist were to study the organisms in your ecosystem, what questions might they ask? Propose two questions. Think about the organisms that live in your ecosystem and what things about them might be interesting to study. (4 points)
Answers
The scientist can ask questions regarding the diversity of species in the ecosystem and the effect of environmental factors on them.
The following question can be asked by a scientist which includes: What is the diversity of species living in the ecosystem, and how do the different species interact with each other? This question help to understand the diversity of species and the food web present in the ecosystem.
What are the effects of environmental factors on the species living in the ecosystem? This question will help to understand the behavioral adaptations of organisms and what desirable characteristics they have adapt over time.
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