which lipoprotein is responsible for transporting cholesterol from body cells to the liver?
Answers
The lipoprotein responsible for transporting cholesterol from body cells to the liver is high-density lipoprotein (HDL).
High-density lipoprotein (HDL) is responsible for transporting cholesterol from body cells back to the liver, a process known as reverse cholesterol transport. HDL is often referred to as the "good cholesterol" because it helps to remove excess cholesterol from the bloodstream, which can reduce the risk of heart disease. HDL particles are synthesized in the liver and small intestine and contain a high proportion of protein relative to lipids. They circulate in the bloodstream and pick up cholesterol from peripheral tissues, including arterial walls, and transport it back to the liver for metabolism and excretion.
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Related Questions
Identily human activities that lead to deforestation Select as many that apply
A dearing land for farms and pastures
B. planting trees in city parks
C. ercion caused by hurricane winds and storm surge
D. building roads, and houses
Answers
Answer:
D. Building roads and houses
Explanation:
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what can proteomics reveal that genomics cannot? what can proteomics reveal that genomics cannot? the number of genes characteristic of a species the patterns of alternative splicing the levels of mrnas present in a particular cell type the set of proteins present within a cell or tissue type
Answers
Proteomics can reveal the set of proteins present within a cell or tissue type, which is something that genomics cannot do. While genomics focuses on the DNA sequence and the number of genes characteristic of a species, proteomics provides information about the actual proteins that are expressed in a particular cell type.
Proteomics can also reveal the patterns of alternative splicing and the levels of mRNAs present in a particular cell type, which can give insight into the regulation of gene expression and the diversity of protein isoforms that can be generated from a single gene. Overall, proteomics provides a more comprehensive picture of the functional molecules that are present in a cell or tissue type, which can have important implications for understanding biological processes and disease mechanisms.
Proteomics can reveal the set of proteins present within a cell or tissue type, which genomics cannot. While genomics focuses on the number of genes characteristic of a species and the levels of mRNAs present in a particular cell type, proteomics provides insight into the patterns of alternative splicing and the functional roles of proteins in a biological system.
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Which cell part is common to plant cells and animal cells?
centrioles
cell wall
chloroplast
mitochondrion
Answers
Answer: centrioles
Explanation:
Which is a feature of a cladogram?
a. The characteristics must be shared among the organisms.
b. The characteristics must be different among the organisms.
c. It must contain at least three different shared characteristics.
d. It must contain at least three different groups of organisms.
Mason drew the cladogram shown. Which statements best describes the cladogram? Select three options. A. Reptiles are the most primitive.
B. Birds and reptiles are most closely related.
C. Frogs are more closely related to fish than birds.
D. Frogs are more closely related to birds than fish.
E. Fish are the most primitive.
Which best explains why the siblings look more like each other and less like their grandparents?
a. The siblings are more closely related to each other than they are to their grandparents.
b. Each sibling is more closely related to the grandparents than to the other sibling.
c. The grandparents do not have any shared characteristics in common with the siblings.
d. The grandparents do not have any shared characteristics with one another.
Which has been observed in the study of embryology?
A. Species whose embryos have similar traits rarely have a common ancestor.
B. Species whose embryos have similar traits always have similar body forms as adults.
C. All traits present in early embryos remain throughout development.
D. Some traits in certain embryos disappear as the embryo develops.
Which scenario would most likely result in the extinction of one or more species? a. The water temperature of a pond decreases slightly, and the members of the pond populations adapt to the change. b. The conditions are abnormally dry for one season in a desert, resulting in the deaths of a few members of a snake population. c. A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish. d. A new plant species begins growing in a forest, resulting in a new food resource for many animal populations.
Answers
Something that has three or more shared properties is said to have a cladogram.
A cladogram is a network of organisms where every link in the chain can be traced back to the same initial ancestor. The relationship between several groups is shown on a diagram.The traits of the species must share three separate traits and a common ancestor for a diagram to be referred to as a cladogram.The cladogram is a visual representation of the phylogeny, or theorized relationship between groups of creatures.Phylogeny investigates the relationships and evolutionary history of several groups of species. It makes an effort to retrace the development of all life on Earth. The foundation of phylogeny is the idea that all living things have a common ancestor.The many creatures and their ties to one another are thus examined by a scientist researching phylogenetic relationships using cladograms as a visual aid.
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Can you please give me science project ideas that at least 2 weeks, with materials easy to find and that is in the difficulty of 9-10th grade?
Answers
Explain how sex-linked, codominant and incomplete dominant traits are passed on to offspring.
Answers
Sex-linked traits are genes carried on the sex chromosomes, the X and the Y chromosome. Only males carry the Y chromosome, and therefore all genes on the Y chromosome are passed down to the son. Women carry two X chromosomes; therefore, sex-linked traits can be passed on from both the mother and the father.
Examples of sex-linked traits include red-green colour blindness and haemophilia.
In codominance, both alleles are expressed in the phenotype of heterozygous offspring. The human ABO blood group is an example of codominance.
There are three alleles for the ABO gene: IA, IB, and I (i is recessive to both IA and IB). If an individual is heterozygous for both the IA and IB alleles, they will express both A and B antigens on their red blood cells. If they are homozygous for either IA or IB, they will express only one antigen on their red blood cells.
Incomplete dominance occurs when neither allele is dominant nor recessive, but instead, the phenotype is a blend of both. An example of incomplete dominance is the snapdragon flower, which has a red flower and a white flower. When the red flower is crossed with the white flower, the resulting offspring have pink flowers, which is a blend of red and white. The genotype for pink flowers is Rr, where R represents the red allele, and r represents the white allele.
When two pink flowers are crossed, their offspring will have a ratio of 1:2:1 of red, pink, and white flowers.
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A patient goes to the doctor and has a blood pressure of 138/88. Below is a chart that shows the effects of different blood pressures on your body.
Answers
Answer:
4
Explanation:
Which of the following statements gives adequate justification
for disproving Einstein's static universe theory?
O. Einstein used calculations and not a
telescope, so his theory must have
been wrong.
O Hubble's telescope was able to travel
through space and take more accurate
pictures.
O Einstein was known as a genius so his theories must be accurate.
O Hubble used telescopes to see stars
and galaxies in space and found
evidence that they are moving away.
Answers
Since his explanation of how light and gravity interact brought many disparate facts together, Einstein developed a new theory.
How does Einstein's general theory of relativity explain gravity?According to Einstein's general theory of relativity, matter or energy causes space (or more specifically, spacetime) to distort, which is what is meant by gravity. By distorting the geometry of the surrounding spacetime, a large object produces a gravitational field.
Which theory of gravity is now the most accurate?General relativity, commonly referred to as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation that Albert Einstein presented in 1915 and serves as the basis for contemporary physicists' understanding of gravitation.
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plz like last time its hard and I jus wanna get at least a 70% plz ill mark u whatever is on here jus plz help i wanna finish.
Which is NOT a function of the skeletal system?
A) Support the body.
B) Protect vital organs.
C) Separate and eliminate waste.
D) Serve as a framework for the attachment of muscles.
Starting with its basic building blocks, which is the correct order of the levels of organization within the muscular system?
A.) skeletal muscle cells --> skeletal muscls tissues --> skeletal muscles
B.) smeletal muscles --> skeletal muscles cells --> skeletal muscle tissues
C.) skeletal muscle tissues --> skeletal muscles --> skeletal muscle cells
D.) skeletal muscles cells --> skeletal muscles --> skeletal muscle tissues
Which two organ systems work together to provide a structural framework for movement?
A.) skeletal and muscular
B.) muscular and endocrine
C.) integumentary and skeletal
D.) endocrine and integumentary
At which location do bones come together?
A.) joints
B.) biceps
C.) triceps
D.) tendons
Which structures make up the skeletal system?
A.) bones and tendons
B.) bones and ligaments
C.) muscles and tendons
D.) muscles and ligaments
Answers
Answer:
Separate and eliminate wasteSkeletal muscle cells-->Skeletal muscle tissue-->Skeletal muscleSkeletal and muscular.JointsBones and ligaments.Explanation:
Separating and eliminating wastes is the function of excretory system.
The level of organization
Cells-tissue-organ-organ system-organism
Joint is a place where to bones meet.
Bones amd ligaments make up the Skeletal system.
Hope this really helps. ❤❤❤
Questions why is the heating in the Benedict's is test and millon test carried out in a water bath
Answers
The heating in the Benedict's test and Millon test is carried out in a water bath to maintain a constant and controlled temperature. This ensures accurate and reliable results by minimizing external factors that could influence the reactions taking place.
The Benedict's test and Millon test are both chemical tests used to detect the presence of reducing sugars, such as glucose, in a given solution. These tests involve a reaction between the reducing sugar and a reagent, which undergoes a color change in the presence of the sugar.
Heating is an essential step in both tests because it helps to facilitate the reaction between the reducing sugar and the reagent. By applying heat, the rate of reaction increases, allowing for faster and more reliable results. However, it is crucial to maintain a consistent and controlled temperature throughout the reaction to ensure accuracy.
A water bath is used for this purpose. A water bath consists of a container filled with water that is heated to a specific temperature, typically around 70-100 degrees Celsius, depending on the test being performed. Placing the test tubes containing the reaction mixture into the water bath allows the solution to be heated uniformly and consistently.
The water bath provides a stable and controlled environment, preventing sudden temperature fluctuations that could affect the reaction rate and, consequently, the test results. It helps to maintain the reaction at the desired temperature for a specified duration, ensuring optimal conditions for the reaction to occur.
By carrying out the Benedict's test and Millon test in a water bath, scientists and laboratory technicians can achieve reliable and reproducible results, allowing for accurate identification of the presence of reducing sugars in a given solution.
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Find the Perimeter of the figure below, composed of an isoceles trapezoid and one
semicircle. Rounded to the nearest tenths place
9
6
6
4
Answers
Answer:
9 is the correct answer
Explanation:
Eugene and Jenny are selling cookie dough for a school fundraiser. Customers can buy packages
of chocolate chip cookie dough and packages of gingerbread cookie dough. Eugene sold i
package of chocolate chip cookie dough and 10 packages of gingerbread cookie dough for a total
of $174. Jenny sold 4 packages of chocolate chip cookie dough and 2 packages of gingerbread
cookie dough for a total of $50. Find the cost each of one package of chocolate chip cookie
dough and one package of gingerbread cookie dough.
.
.
.
.
.
Eugene and Jenny are selling cookie dough for a school fundraiser. Customers can buy packages
of chocolate chip cookie dough and packages of gingerbread cookie dough. Eugene sold i
package of chocolate chip cookie dough and 10 packages of gingerbread cookie dough for a total
of $174. Jenny sold 4 packages of chocolate chip cookie dough and 2 packages of gingerbread
cookie dough for a total of $50. Find the cost each of one package of chocolate chip cookie
dough and one package of gingerbread cookie dough.
Chemical bonds are broken in which molecules?
Answers
two liquids that are at two different temperatures are added to each other in a container is closed . The temperature is taken at one-minute intervals .
Answers
Answer: Graph A
Explanation:
assume that a human trait is caused by an autosomal dominant mutant allele that has a penetrance of 50%. a man who is heterozygous for this mutant allele marries a woman who is homozygous recessive for the normal allele. if they have two children, what is the probability that both children will show the normal phenotype?
Answers
The probability that both children will show the normal phenotype is 25%. If the man is heterozygous for the mutant allele, he has a 50% chance of passing it onto each of his children.
Since the woman is homozygous recessive, she will always pass the normal allele. So the man will pass either the mutant or normal allele to each child, and the woman will pass the normal allele.
Therefore, there is a 50% chance that each child will receive the normal allele and a 25% chance that both children will receive the normal allele.
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when taking an animal's pulse, you can use which of the following?
Answers
When taking an animal's pulse, you can use either digital pulse palpation or auscultation of the heart rate with a stethoscope.
Pulse palpation is the process of feeling the pulse by placing fingers on the artery where the heart pumps blood. Palpation is the process of feeling the pulse with the help of fingers. A stethoscope, on the other hand, is a medical instrument used to listen to the heart, lungs, and other internal organs. Auscultation is a medical technique for listening to sounds in the body using a stethoscope. It's a common method used by doctors to listen to the heart, lungs, and abdomen, as well as to detect heart and respiratory problems, fluid accumulation, or other abnormalities. Auscultation is an important method for monitoring the health of animals as well as humans.
It is important to make sure that the stethoscope is working properly, as even a minor malfunction can affect the quality of the sound produced by the stethoscope. In conclusion, when taking an animal's pulse, you can use either digital pulse palpation or auscultation of the heart rate with a stethoscope.
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what kind of bond is created by a weak electrical attraction between polar molecules?
Answers
Answer:
Dipole-Dipole
Explanation:
The type of bond created by a weak electrical attraction between polar molecules is called a dipole-dipole interaction. Dipole-dipole interactions occur between polar molecules, where one molecule has a partial positive charge (δ+) and another molecule has a partial negative charge (δ-). These partial charges result from an uneven distribution of electrons within the molecule, leading to a temporary dipole moment. The positive end of one polar molecule is attracted to the negative end of another, creating a relatively weak bond known as a dipole-dipole interaction.
pls guys i’m begging u to help me with this immediately!!! pls just help no one has been answering my questions at all just pls HELPPPPP
Answers
Answer:
Gills and Lungs
Explanation:
Aquatic animals use gills to filter through water, since they need water in their system to survive just as we need air in our system to survive, these two function the same. They both allow the intake and outtake of essential elements
Which describes why radioisotopes can be used as tracers in studying the biological and chemical processes of plants?.
Answers
Radioisotopes can be used as tracers in studying the biochemical plant processes when they are chemically identical to non-radioisotopes that plant uses.
What is a radioisotope?A radioisotope is a chemical substance and/or particle that releases radioactivity in a given period of time.
Radioisotopes are very useful substances to trace a molecular mechanisms or biological structures.
In conclusion, radioisotopes can be used as tracers in studying the biochemical plant processes when they are chemically identical to non-radioisotopes that plant uses.
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How would the Earth's climate change if its obliquity shifted from 23.4° to 0°, and all other factors remained the same?
A-Global warming would increase rapidly.
B-It would shift the Earth into a global ice age.
C-The seasonal changes would be more extreme.
D-There would be no seasons.
Answers
Answer:
There would be no seasons.
Explanation:
The tilt of the Earth's axis is what causes seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere. If there was no tilt, the rays hitting the Earth would have minimal changes, meaning no seasons.
.What advantage would using a compound light microscope have over using a dissecting microscope?
Answers
The dissecting microscope is configured to allow low magnification of three-dimensional objects- objects larger or thicker than the compound microscope can accommodate. Furthermore, the two separate lenses of the binocular dissecting microscope allow one to see objects in three dimensions, i.e., in stereo
Which of the following is a characteristic of alcoholic fermentation?
A. Decreasing amounts of ATP
B. Oxygen- rich environment
C. Production of carbon dioxide
D. Rise in Blood ph
Answers
Answer:
A decreased amount of ATP
Explanation:
it produces less ATP but is still a good energy back up when energy is low
what was worked D.R Aklilu Lema ? and what is his reasarch?
Answers
Answer:
In 1964 a young Ethiopian doctor, Aklilu Lemma, discovered that suds from the fruit of a common African plant, the endod or soapberry, which African women have used as soap for centuries, act as a potent molluscicide. ... And Lemma's early research confirmed this potential.
10. The ATP made during glycolysis is generated by A. Substrate-level phosphorylation B. Electron transport C. Photo phosphorylation D. Chemiosmosis E. Oxidation of NAD and NADH
Answers
Answer:
A. Substrate-level phosphorylation
Explanation:
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who establishes a crime scene?
A) Criminal Investigator
B) First Responder
C) District Attorney
D) Crime scene Photographer
Answers
Answer:
Explanation:
Law enforcement establishes a crime scene of what happened.
what is the effect of ecological footprint on the long-term
Answers
The ecological footprint has a significant and long-term effect on the environment and sustainability. It measures the impact of human activities on natural resources and ecosystems.
A large ecological footprint signifies high resource consumption, which can lead to resource depletion, habitat destruction, loss of biodiversity, and environmental degradation.
It also contributes to climate change through greenhouse gas emissions and exacerbates social and economic inequalities. To achieve long-term sustainability, it is important to reduce our ecological footprint by adopting sustainable practices, promoting renewable energy, conserving resources, and practicing responsible consumption. By doing so, we can protect the environment, mitigate climate change, and ensure a better future for generations to come.
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Explain why photosynthesis is vital for life.
Answers
Answer:
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Without photosynthesis, the carbon cycle could not occur, oxygen-requiring life would not survive and plants would die.
Explanation:
Answer:
Photosynthesis is vital for plant life, because it provides plants with a means to produce energy. Photosynthesis indirectly provides organisms that feed on plants with energy as well. Organisms that feed on plants derive their energy from the plants, which obtained their energy from sunlight through the process of photosynthesis. Photosynthesis also helps maintain atmospheric levels of carbon dioxide and oxygen. Carbon dioxide is taken in by plants during photosynthesis, and oxygen is released.
Explanation:
Why do we want to produce genetically different organisms?
Answers
Answer: Genetically engineered crops produce higher yields, have a longer shelf life, are resistant to diseases and pests, and even taste better.
Explanation:
can genes predict athletic performance? provide evidence
Answers
hope that’s helps :)
energy loss happen when a filament bulb glow. Write a situation where this energy is used properly. 20 pts
Answers
Answer:
When turning electrical energy into light energy.
Explanation:
When the filament heats up and becomes red-hot as a result of opposing and resisting electricity, it begins to glow and therefore turns electrical energy into light energy.
Different forms of genes for a single traite
Answers
Answer:
genues are most important in school