What is the function of the Sebaceous Gland * To produce Sweat
To produce water
To produce natural oils for the skin protection None of the Above
Answers
Answer:
To produce natural oils for the skin
Explanation:
The normal function of sebaceous glands is to produce and secrete sebum, a group of complex oils including triglycerides and fatty acid breakdown products, wax esters, squalene, cholesterol esters and cholesterol.
Sebum lubricates the skin to protect against friction and makes it more impervious to moisture
Related Questions
do european wildcat eat foxes? i will mark brainliest
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HELP FAST PLEASE
Iconic Maine species such as moose, Canada lynx, loons, boreal chickadees, eastern brook trout, saltmarsh sparrows and Atlantic puffins are under stress from climate change. A mutation in the boreal chickadees increases the ability of the bird to catch and eat certain insects. Which factor might determine whether the frequency of the new allele will increase?
A)whether the mutation allows the chickadees better access to food sources than those without it
B)whether those with the mutation make better mates
C)whether the mutation is dominant or recessive
D)whether the mutation is random
Answers
Answer:
A) Whether the mutation allows the chickadees better access to food sources than those without it
Explanation: USATestprep
The factor that may determine the frequency of the new allele will increase is whether the mutation allows the chickadees better access to food sources than those without it.
What do you mean by Mutation?A Mutation may be defined as sudden, stable, and inheritable changes in the genetic material of an organism.
A mutation changes the whole sequence of the genetic material and causes a change in the genotype as well as phenotypes of an organism.
Therefore, the factor that may determine the frequency of the new allele will increase is whether the mutation allows the chickadees better access to food sources than those without it.
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why does the lowest carbon dioxide concentration occur closest to the forest ?
Answers
Answer:
The forest is highly populated with plants.
Explanation:
The reason the carbon dioxide is lowest near a forest is due to the vegetation. Plants absorb carbon dioxide and produce oxygen, making the carbon emissions low. Unlike a busy city, for example, which would have very high carbon emissions due to the lack of plants and increased carbon dioxide output.
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Panna
Answer:
Explain why the lowest carbon dioxide concentration occurs closest to the forest. ... The lowest carbon dioxide concentration occurs closet to the forest because they are heavily populated with plants and photosynthesis, the process by which plants use the sun's energy to convert water and carbon dioxide into sugar.
Explanation:
What is the 4th trophic level called?
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Answer:
Tertiary Consumers.
Explanation:
Hydrogen bonding is a type of force that occurs inside of molecules.
A. False
B. True
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Answer:
\(\Huge \boxed{\textbf{B. True}}}\)
Explanation:
Hydrogen bonding plays an important role inside many molecules. It occurs due to an electrostatic attraction between a hydrogen atom bonded to an electronegative element like oxygen or nitrogen, and another nearby electronegative atom that possesses a lone pair of electrons. This second atom acts as an acceptor for the hydrogen.
The hydrogen is pulled slightly toward the acceptor due to their opposing charges. These hydrogen bonds can form both between different molecules as well as within different parts of the same molecule.
They are stronger than the normal attractions between permanently polarised molecules or non-polar atoms. However, hydrogen bonds are not as intensely strong as true covalent bonds, which involve sharing electrons, or ionic bonds that transfer electrons.
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Indicate the correct order of steps for a broth to agar plate transfer Rank the options below Remove a loopful of bacterial culture from the broth tube, pass the mouth of the tube through the Bunsen burner flame, and N replace the cap. Lift the lid of the agar plate slightly and streak the loop across the surface of the agar plate. Replace lid. Sterilize inoculating loop, remove cap of culture tube, and pass mouth of culture tube through the Bunsen burner flame. 1 Sterilize inoculating loop prior to replacing in loop holder.
Answers
The correct order of steps for a broth to agar plate transfer is:
Sterilize the inoculating loop prior to replacing it in the loop holder.
Sterilize the loop again, remove the cap of the culture tube, and pass the mouth of the culture tube through the Bunsen burner flame.
Remove a loopful of bacterial culture from the broth tube, pass the mouth of the tube through the Bunsen burner flame, and replace the cap.
Lift the lid of the agar plate slightly and streak the loop across the surface of the agar plate.
Replace the lid.
Sterilize the loop, transfer culture, and streak agar.
How do you transfer culture to agar using a loop?To transfer bacterial culture from a liquid broth to an agar plate, it is important to maintain aseptic technique to prevent contamination. The process involves sterilizing the inoculating loop prior to use by passing it through a flame. The culture tube's cap is removed, and the mouth of the tube is passed through the Bunsen burner flame to eliminate potential contaminants.
A loopful of the bacterial culture is then taken from the broth tube and the tube is promptly recapped. The lid of the agar plate is lifted slightly, and the loop is streaked across the surface of the agar to evenly distribute the culture. Finally, the plate's lid is replaced to maintain sterility.
This method allows for the growth of individual bacterial colonies on the agar plate, facilitating further analysis and experimentation.
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When a normal cell undergoes mitosis it produces two, identical cells that are clones of the “mother” cell. How is that different from what sex cells do when they undergo meiosis?
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Answer:
when a sex cell undergoes meiosis, it producs two haploid cells each having half the chromosome number of the "mother" cell
explain why cells are so small. Please include the words "surface area to volume ratio."
I just need a small explanation
Answers
Answer:
Explanation:
Cells are small because of the surface area-to-volume ratio. This ratio refers to the relationship between the surface area of an object and its volume. In the case of cells, a smaller size means a greater surface area to volume ratio. This is important because the surface area of a cell is where important biological processes, such as the exchange of oxygen and nutrients, take place. A greater surface area to volume ratio means that these processes can be more efficient, allowing the cell to function properly. Additionally, a smaller size allows cells to be more agile and move more easily within the body. Overall, the small size of cells is important for their function and survival.
What talents do biomedical engineers need?
Answers
The talents that a biomedical engineer requires are creativity, patience, good communication, analytical and problem solving skills.
Biomedical engineering basically involves the application of various principles of engineering and also design concepts in the field of biology and medicine. It focuses on developing more integrated understanding on how different organisms function, improving the quality of human life, developing instruments which help in diagnosis and treatment of diseases etc.
A biomedical engineer must possess certain talents and skills like problem solving, calculative and analytical skills. They should also be creative and have good communication skills with patience and knowledge about how to design products which can help patients in the field of biology and medicine.
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Which is bigger: Trypansoma or a Red Blood Cell (RBC)? Trypansoma is slightly longer than a red blood cell (i.e. 1.5−2.5x in length). A red blood cell is slightly longer than Trypansoma (i.e. 1.5−2.5x in length). A red blood cell is much larger than Trypansoma (at least 4x greater in diameter). Trypansoma is much larger than a red blood cell (at least 4× greater in diameter).
Answers
Trypansoma is slightly longer than a red blood cell (1.5−2.5x in length) (Option 2). It implies that the size of Trypansoma exceeds the length of a red blood cell, but not significantly.
Trypansoma, a parasitic protozoan, is slightly longer than a red blood cell. The length comparison states that Trypansoma is 1.5−2.5 times longer than a red blood cell. However, it's important to note that size can vary depending on the specific species or strain of Trypansoma and the individual variation within red blood cells. Overall, this information provides a relative understanding of the size difference between Trypansoma and red blood cells, indicating that Trypansoma is slightly larger in terms of length compared to a red blood cell (Option 2).
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of the following, which is not a type of brain wave activity that occurs during a regular night of sleep?
Answers
The brain wave activity that does not occur during regular sleep is: (3) sleep spindles.
Brain is the most complex organ of the human body that regulates each and every body functions, It is comprised of left and right hemispheres. The brain has three parts: forebrain, midbrain and hindbrain. Each part of the brain performs its specific functions.
Sleep spindles are the neural oscillatory activities that are said to be the hallmark of non-rapid eye movement (NREM) sleep. They are also associated with memory processing and long-term memory building, They are active during the early stages of the sleep.
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The given question is incomplete, the complete question is
Of the following, which is not a type of brain wave activity that occurs during a regular night of sleep?
alpha wave delta wavesleep spindlestheta waveWhat is reproductive isolation?Why is it necessary for speciation to occur? Explain one way reproductive isolation might occur.
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Reproductive isolation is a process in which individuals in a population are prevented from reproducing. This isolation can occur in several ways, such as a physical barrier that separated these species into two groups that will reproduce with each other and generate a new species.
Why is it necessary for speciation to occur?Speciation is an essential evolutionary process for the creation of new species. It is worth remembering that from reproductive isolation, the individuals of a population have been differentiating and evolving and in the end, there will be a different species from the initial one. Therefore, speciation is necessary for the emergence of new species.
Explain one way reproductive isolation might occur.Reproductive isolation may occur due to a geographic barrier. In this case, a population is separated by a geographic barrier such as a river, a canyon, or a mountain, thus generating subpopulations that will begin to evolve and adapt in different ways. In the end, we will have different subpopulations, but in the beginning, they were part of the same population.
Some water, a small amount of soil, a few aquatic plants, and a fish were placed in a large bottle. The bottle was sealed to prevent the exchange of gasses and other materials between its contents and the outside. The bottle was then placed in a window to receive light during the day. After a week, both the plants and the fish appeared healthy. The mass of the bottle plus its contents would probably..?
A: Decrease and then increase.
B: Continually increase.
C: Remain the same.
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in the human growth sequence, the germinal, embryonic, and fetal periods make up the period. question 4 options: a) senescence b) neonatal c) prenatal d) postnatal
Answers
The correct answer is a. prenatal. These stages of the human growth sequence are known as the prenatal phases of pregnancy which includes the germinal, embryonic, and fetal periods make up the period.
The phrase "prenatal development" refers to the process by which the embryo and fetus develop during the course of a viviparous mammal's pregnancy. The process of prenatal development begins with fertilization and continues through the fetal stage of growth until delivery. Prenatal development in human pregnancy is sometimes referred to as antenatal development. Following fertilization, the human embryo grows throughout the fetal stage. The embryo has achieved its basic shape by the end of the tenth week of gestation; at this point, it is referred to as a fetus. Fetal development is the following stage of development, and this is when various organs finish developing. Important events are listed by gestational age at this pregnancy stage.
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A pesticide that kills an insect by interfering with the production of proteins in the insect would most directly affect the activity of
a) ribosomes
b) minerals
c) chloroplasts
d) mitochondria
Answers
Answer:
✔ ∅ a) ribosomesExplanation:
The production of proteins is a process related to many aspects of the cell, but it depends on the ribosomes because they are responsible for producing proteins composed of all aminoacids. Therefore, the correct answer is A) ribosomes.
A pesticide that kills an insect by interfering with the production of proteins in the insect would most directly affect the activity of
✔ ∅ a) ribosomes
O b) minerals
O c) chloroplasts
O d) mitochondria
1. how is the shape of a cow's pupil different from the shape of a human's pupil?
Answers
Shape between cow's pupil and human's pupil reflects distinct visual adaptations and requirements of each species in terms of their survival and visual capabilities.
The shape of a cow's pupil differs from that of a human's pupil in terms of its overall shape and characteristics. While the human pupil is round, the cow's pupil is horizontally elongated, resembling a horizontal oval or rectangular shape. This adaptation is known as a horizontal or panoramic pupil. The unique shape of a cow's pupil serves a specific purpose related to its visual requirements and survival strategies. The elongated shape allows for a broader field of view, particularly in the horizontal plane.
Cows are prey animals, and their visual system has evolved to maximize their peripheral vision, enabling them to detect potential threats or predators from various angles. The elongated pupil helps to enhance the panoramic vision of the cow, covering a wider range of the surroundings. In contrast, humans have round pupils that provide a greater depth of focus and better resolution in the center of the visual field. This round shape allows for better visual acuity and precise depth perception, which are advantageous for tasks requiring fine detail and focused vision.
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explain the difference between an herbivore and an omnivore
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A population of animals has a short gestational period and travels in large groups. How will this affect the population size?
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HELPPPPPP ME PLEASEEE
Answers
Answer:
building blocks of life
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function.
I only need the answer to question one, could anyone help?
Answers
Answer:
ATP
Explanation:
i remember having this
A type of energy storage molecule made of many glucose molecules connected together is called: ________
Answers
When glucose molecules are bonded together, they form the type of energy storage molecule termed Glycogen.
Animals, fungi, and bacteria all use the multibranched polysaccharide of glucose known as glycogen to store energy. This glycogen is decomposed into fragments to release glucose into the bloodstream when the body requires immediate energy or cannot obtain the necessary glucose from the diet.
A complex carbohydrate that the body may quickly convert into energy is called glycogen. In the human body, glycogen is kept in the liver and skeletal muscles. In adipose tissue, additional glucose can be metabolized to fat.
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bacteria are quite diverse with respect to what they can use as nitrogen sources. bacteria require nitrogen for the synthesis of
Answers
Bacteria are quite diverse with respect to what they can use as nitrogen sources. They require nitrogen for the synthesis of nucleic acids, proteins, and other biomolecules. Some bacteria can utilize atmospheric nitrogen gas (N2) through the process of nitrogen fixation, while others can use nitrogen compounds such as nitrate (NO3-), ammonia (NH3), or amino acids as nitrogen sources. Additionally, some bacteria can recycle nitrogen from organic matter through the process of ammonification. Overall, the diverse abilities of bacteria to use different nitrogen sources play an important role in the global nitrogen cycle.
Amino acids, nucleotides, and other important biomolecules. Some bacteria can use atmospheric nitrogen (N2) as a nitrogen source, while others rely on organic nitrogen compounds such as amino acids, nucleotides, and peptides.
Some bacteria can break down complex organic nitrogen compounds such as proteins, chitin, and urea to obtain the nitrogen they need. For example, some soil bacteria such as Azotobacter and Rhizobium can fix atmospheric nitrogen and convert it into organic nitrogen compounds that can be used by other organisms in the ecosystem.
Other bacteria can use inorganic nitrogen compounds such as ammonium (NH4+) and nitrate (NO3-) as nitrogen sources. Some bacteria can even use nitrogen oxides, such as nitrite (NO2-) and nitric oxide (NO), as nitrogen sources.
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why is faeces not considered as an excretory product?
Answers
Answer:
Explanation:
Removal of faeces or undigested food from the body is not an example of excretion because undigested food is not a product of metabolism. Metabolic activities generate nitrogenous waste that has to be removed from the body.
Answer:
Removal of faeces or undigested food from the body is not an example of excretion because undigested food is not a product of metabolism. Metabolic activities generate nitrogenous waste that has to be removed from the body. The biological process by which these harmful substances are removed from the body is known as excretion. Undigested food is removed from the body by a process known as egestion.
A cell membrane is called _____________ because it allows only certain substances to enter and leave the cell *
a. exocytosis
b. endocytosis
c. semipermeable
d. diffusion
Answers
Which type of energy is due to the motion of particles within an object?
radiant
thermal
nuclear
kinetic
Answers
Answer:
Kinetic energy
Explanation:
Answer:
Thermal
Explanation:
doing the test rn
qué ventajas le trajo al ser humano el poder andar en 2 patas.
Answers
Answer:
The advantage that hominids had when they developed bipedalism is truly great. Walking on two legs instead of four allowed hominids to free up their arms. Using their arms they could now make tools, stretch trees, and use their hands for social communication. The development of bipedalism also allowed for long-distance walking and eventually endurance running. Bipedalism, basically, was a key step for hominids' "brains to grow".
\({\sf{\boxed{\boxed{\tt\green{Las \: ventajas}}}}}\)
La gran cantidad de ventajas que trajo el bipedalismo significó que todas las futuras especies de homínidos llevarían este rasgo. El bipedalismo permitió a los homínidos liberar completamente sus brazos, lo que les permitió hacerEnglish:
The advantages
The host of advantages bipedalism brought meant that all future hominid species would carry this trait. Bipedalism allowed hominids to free their arms completely, enabling them to make and use tools efficiently, stretch for fruit in trees and use their hands for social display and communication.#CarryOnLearning
Which of the following is not true during crossing over?
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What would happen to the water cycle if the sun ceased to exist?
O The water cycle would slow down.
The water cycle would stop.
The water cycle would speed up.
O The water cycle would stay the same.
Answers
Answer:
it would stop
Explanation:
since the sun is there to help evaporate the water. and i'm sure that without the sun, the water cycle would be the least of your worries
What is the purpose of an antibody? Group of answer choices to stick to an antigen, alerting your body of the presence of a foreign substance to send chemical messages to and from the brain and body to clot blood when the body has a cut our wound to carry oxygen to body cells and tissues
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Answer: Antibodies are proteins that are found in the body on the surface of red blood cells and in the blood plasma ,they are very sensitive to foreign bodies and bad viruses and bacteria,when they notice the presence of anything that poses harm or a threat to the body system,they track it down and fight/destroy it.
Antibodies also play crucial role in hemostasis(stoppage of bleeding) in the sense that when the body is wounded or when someone gets a cut antibodies that are found in the plasma and some substances found in the platelets are released to play a role in sending signal to the blood clotting factors in the blood to be released to arrest the bleeding and prevent the person from bleeding out their entire blood.
A marine biologist discovers a new marine animal that has a coelom, but it does not develop from the mesodermal tissues. Under which category should she classify this animal? A. pseudocoelomate B. acoelomate C. coelomate
Answers
B. acoelomate
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