Answer: In plants, photosynthesis takes place in chloroplasts.
Explanation:
A hormone often measured in saliva by researchers as a biological marker of stress is called:____.
A hormone often measured in saliva by researchers as a biological marker of stress is called cortisol.
Cortisol is a steroid hormone that belongs to the glucocorticoid hormone class. It is known as hydrocortisone when taken as medicine. It is primarily produced by the zona fasciculata of the adrenal cortex in the adrenal gland in various mammals. It is produced in lesser amounts in other tissues. If you have an adrenal nodule (mass) or a pituitary tumor in your brain, your body may overproduce cortisol. Cushing syndrome is a condition that may result from this. It can cause diabetes, rapid weight gain, easily bruised skin, weak muscles, and a host of other health issues.
Stress causes a spike in cortisol levels, and cortisol has been proven to occasionally be linked to negative emotions.
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A cancer drug interferes with the development of mitotic spindle fibers during cell division. which phase is directly affected?
A cancer drug interferes with the development of mitotic spindle fibers during cell division prophase phase is directly affected.
Which cells undergo mitotic?Only eukaryotic cells go through mitosis. Binary fission is a distinct technique used to split prokaryotic cells, which are cells without nuclei. Different organisms go through different stages of mitosis.
Why is mitotic important?Multicellular creatures depend on mitosis to produce new cells for growth and to replace damaged or worn-out cells, such as skin cells. Many single-celled organisms use mitosis as their primary asexual reproduction method.
What are the four roles that mitotic plays?Tissue replacement or repair.Organismal growth.Unmarried reproductionDevelopment (of embryos)To know more about Mitotic visit:
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In a membrane, the________of the phospholipids in one monolayer face the________of the phospholipids in the other monolayer.
In a membrane, the tail of the phospholipids in one monolayer face the tail of the phospholipids in the other monolayer.
What is cell membrane?The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment. It is also known as the plasma membrane (PM), cytoplasmic membrane or plasmalemma (extracellular space). The cell membrane consists of a lipid bilayer, which is made up of two layers of phospholipids interwoven with cholesterol (a lipid component) to maintain proper membrane fluidity at different temperatures. Furthermore, membranes are composed of membrane proteins, such as those that cannot be separated across the membrane and function as membrane transporters, and peripheral proteins that simply attach to the outer membrane of the cell and function as membrane transporters. enzymes to help the cell interact with its environment. The integrated glycolipids of the outer lipid layer perform a similar function.To learn more about the membrane, refer to the following link:
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When a gardener crosses a plant with red flowers with a plant with yellow flowers, orange-flowered offspring result. what mode of inheritance is exemplified by these flowers?
Incomplete dominance mode of inheritance is exemplified by these flowers.
Incomplete Dominance- When both alleles of a gene are only partially expressed at a locus, a phenomenon known as incomplete dominance occurs, which frequently produces an intermediate or distinct phenotype. As partial domination, it is also known. For instance, the red allele is dominant over the white allele in roses.
Phenotype- An observable characteristic is simply referred to as a "phenotype." Pheno, which has the same origin as the term "phenomenon," simply means "observe." It may therefore refer to anything from a common attribute, like height or hair color, to the presence or absence of a disease. It is also an observable kind of an organism.
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Approximately how long should it take for blood that was collected in a non-additive plain red top tube to clot?
30 to 60 minutes
Approximately it takes 30 to 60 minutes for blood that was collected in a non-additive plain red top tube to clot.
How soon after blood collection should it be examined?Most of the time, a wet blood sample should be tested in the lab within eight hours after the blood collection event if it is stored at room temperature. The sample is normally kept in cold storage at +2°C to +8°C for a maximum of seven days if testing cannot be finished within that eight-hour window.Is it necessary to spin blood right away?Blood should be examined as soon as possible after being drawn, typically within four hours. Within two hours following the blood draw, the whole blood and serum samples should be separated. Depending on the testing requirements, additives like a clot accelerator, an anticoagulant, or heparin may be utilized.To learn more about blood clot visit:
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One of the molecules involved in coupling anabolism (i.e., harvesting energy from precursors) to catabolism (building macromolecules) in living systems is:__________
Hormone is one of the molecules involved in coupling anabolism to catabolism in living systems.
Hormone is described as an organic molecule released by both plants and animals that controls physiological processes and sustains homeostasis. Hormones work by inducing responses in particular organs or tissues that have been developed to respond to very small amounts of them. Anabolism is the process that helps the body create the molecules it needs; it typically needs energy to be finished.
The act of breaking down large molecules into smaller ones is referred to as catabolism, and it typically results in the release of energy for use by the organism. The two processes take place in the presence of chemical molecules known as hormones. Estrogen, testosterone, insulin, and growth hormone are examples of hormones responsible for anabolism, while adrenaline, cortisol, glucagon, and cytokines are examples of hormones responsible for catabolism.
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The cell wall of plants is
composed of what material?
A. cellulose
B. chitin
C. peroxisomes
What is the hybridization of the central atom in the xenon tetrafluoride molecule?
The central atom has 6 electron pairs out of which two are lone pair electrons. The hybridization in Xenon is sp3 d2 because there is a migration of two electrons of p to d orbital which results in the formation of a sigma bond with F.
What is meant by hybridization?Whenever two atomic orbitals in a molecule merge to generate a hybrid orbital, the energy of the orbitals of the single atoms is redistributed to give orbitals of equivalent energy. Hybridization is the name of this procedure. In the hybridization process, atomic orbitals with similar energies are mixed together; this often includes the fusion of two s orbitals, two p orbitals, or the mixing of an s orbital with a p orbital or a d orbital.
Hybrid orbitals are the novel orbitals that result from this process. However, hybrid orbitals are also very helpful in describing the geometry of molecules and the characteristics of atomic bonds. Let's immediately examine the example of an atom of carbon. This atom creates four single bonds in which three valence-shell p orbitals and one valence-shell s orbital combine.
The result of this combination is the creation of four comparable sp3 mixes. Around the carbon, which is bound to four distinct atoms, they will be arranged in a tetrahedral pattern.
Therefore, the molecule has sp3 d2 hybridization.
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An atoms atomic number is the sum of the protons and nuetrons in the nucleus.
true
false
Answer:
The answer is true
Explanation:
The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.
The physiological processes related to stress includes the liver releasing more _____ to nourish the muscles.
The physiological processes related to stress include the liver releasing more glucose to nourish the muscles.
What is Muscle nourishment?Muscle nourishment may be defined as the process through which muscles acquire essential nutrients like glucose for the proper functioning of the body. Muscles play an important role in the movement of the body from one place to another.
Liver stores glycogen in the form of sugar. When the body has an excess level of glucose in the blood, the liver, adipose tissue, brain, etc. convert this form of glucose into glycogen and liberates in form of glucose when the body feels its scarcity during stress conditions.
Therefore, the physiological processes related to stress include the liver releasing more glucose to nourish the muscles.
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Which part of the scientific method is best illustrated by the
ecologists wondering why the prairie dog populations are in
decline?
O collecting data from an experiment
O drawing conclusions based on data
O setting up an experiment
O making an observation and asking a question
Answer:
b drawing conclusions based on data
An amoeba is a unicellular organism that takes in food by endocytosis. The
cells store small food particles in food yacuoles until they can be digested.
Which cell organelles must fuse with the food vacuoles so that an amoeba
can digest its food?
A. Lysosomes
B. Ribosomes
C. Nuclei
D. Mitochondria
SUBMIT
The cell organelles must fuse with the food vacuoles so that an amoeba
can digest its food is option A. Lysosomes.
A lysosome is a membrane-certain cellular organelle that incorporates digestive enzymes. Lysosomes are worried about numerous mobile techniques. They spoil extra or mobile elements. they may be used to damage invading viruses and microorganisms.
Lysosomes are worried about diverse cell processes. They spoil extra or cellular elements. they may be used to destroy invading viruses and microorganisms. If the cellular is broken past restore, lysosomes can help it to self-destruct in a manner called programmed cell demise, or apoptosis.
An amoeba regularly called an amoeboid, is a type of cellular or unicellular organism which has the ability to modify its form, frequently with the aid of extending and retracting pseudopods. Amoebae do not shape an unmarried taxonomic group; as an alternative, they are found in each fundamental lineage of eukaryotic organisms.
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What is the difference between sex-linked traits and autosomal traits in humans?
The main distinction between sex-linked and autosomal inheritance is that the former happens through the genes on the sex chromosomes (X and Y chromosomes), whilst the latter occurs through the genes on the autosomes.
Because the X chromosome has many more genes than the smaller Y chromosome, the word is frequently used to describe features or illnesses that are caused by genes on the X chromosome in humans. Males are more prone than females to suffer from a sex-related illness because they only have one copy of the X chromosome. A genetic disorder or trait can be transferred from parent to kid via autosomal dominant inheritance. The genetic disorder can be brought on by one copy of a mutant (changed) gene from one parent.
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The autonomic nervous system is involved in controlling what effectors?
a) exocrine glands
b) skeletal muscles
c) cardiac muscle
d) smooth muscle
e) endocrine glands
The autonomic nervous system is involved in controlling a, c, d, e.
what is the Autonomic nervous system?
The peripheral nervous system's autonomic nervous system (ANS) is in charge of regulating critical processes like digestion, breathing, and heartbeat. In the acute stress response, it collaborates with the endocrine system to get the body ready for fight or flight.
Between the central nervous system and the internal organs, the autonomic nervous system acts as a relay. It regulates the exocrine and endocrine glands, smooth muscle, the heart, the lungs, and the heart. These organs are mostly under the autonomic nervous system's control, which is unconscious.
Hence from the above information, we get to understand that ANS helps to control systems, not in our control hence it will regulate all the given options except skeletal muscles as they are under control.
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When do total lunar eclipses occur?(1 point) infrequently during the full moon infrequently during the full moon infrequently during the new moon infrequently during the new moon every month during the full moon every month during the full moon every month during the new moon
Lunar eclipses occur infrequently during the full moon. They do not occur during the new moon and do not occur every month.
Eclipses occur when the sun, moon and earth are perfectly aligned in a straight line. Depending on which body comes in the middle of the alignment, eclipse can be divided into solar and lunar eclipse.
A lunar eclipse occurs when the earth comes in between the sun and the moon in a straight line. Direct sunlight is blocked off by the earth, however, deflected light from the earth reaches the moon, giving it hues of red, brown and grey. It only occurs when the moon is at the lunar node (points where the moon crosses the earth's orbital plane). This rarely occurs because the orbital path of the moon around the earth is inclined at an angle of 5°, so it's not possible to see a lunar eclipse every month.
Lunar eclipse only happens when the moon is full because it is only during the full moon that the moon can be positioned behind the earth. One is more likely to see a solar eclipse during the new moon.
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The ___________ is the thin layer of the mucosa responsible for pulling the mucosa into its many folds which increases the surface area of the alimentary canal.
Muscularis mucosa
The Muscularis mucosa is the thin layer of the mucosa responsible for pulling the mucosa into its many folds which increases the surface area of the alimentary canal.
The mucosa's outermost layer is called the muscularis mucosa. Elastic fibers and 3–10 smooth muscle cells make up its structure, which is often divided into an inner circular layer and an outer longitudinal layer. From the muscularis mucosa, smooth muscle cells may expand into the lamina propria and the villi.Where can you find the muscularis mucosa?The oesophagus and the large intestine, particularly in the terminal region of the rectum, have exceptionally well-developed muscularis mucosae. Additionally, the villi or spaces between the tubular glands of the stomach and large intestine contain isolated muscle cells descended from the muscularis mucosae.To learn more about muscularis mucosa visit:
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Anatomy and physiology:
Necessary life functions and survival:
Body systems work together to complete the ____ necessary for ____ These functions provide the items needed for the ____ of the whole organism.
According to the research, the correct options are functions, life and survival. Body systems work together to complete the functions necessary for life. These functions provide the items needed for the survival of the whole organism.
What are Body systems?It is the set of organs that make possible the functioning of basic biological functions, which are responsible for carrying out survival and reproduction processes.
In this sense, the organs interact with each other, carrying out functions necessary for life together and forming the systems and apparatus of the human body, whose proper functioning keeps us alive.
Therefore, we can conclude that according to the research, the correct options are functions, life and survival. Body systems work together to complete the functions necessary for life. These functions provide the items needed for the survival of the whole organism.
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is the energy pyramid a true representation of all elements in an ecosystem
Answer:
Below
Explanation:
Not necessarily. Everything is always subject to change and exceptions. However, they do a good job of representing the general idea of energy flow throughout the different parts of an ecosystem
Drinking water treatment includes removal of all dissolved chemicals. true false
Answer:
true
Explanation:
because it cleans you inside
Explain the process and bonds involved in the ability of RNA to fold into complex 3-D shapes, similar to those of tertiary proteins.
RNA molecules fold into complex 3-D structures when base pairing occurs between nitrogen base pairs. The bonds forned are hydrogen bonds.
What are RNA molecules?RNA molecules refers to nucleic acids which are built from ribose sugar molecules instead of deoxyribose as in DNA molecules.
RNA molecules as in DNA are composed of a sugar backbone, a nitrogenous base, and phosphodiester linkages.
The nucleotides found in RNA molecules are:
uraciladeninecytosine andguanineRNA is able to form complex 3-D structures even though they are single-stranded because of base pairing that occurs between adenine and uracil, and guanine to cytosine.
The bonds present in thebase pairs are hydogen bonds.
Hydrogen bonds are bonds which are formed between hydrogen and a highly electronegative atom such oxygen, nitrogen, chlorine, and fluorine.
In the RNA molecule, hydrogen bonds form betweenthe oxygen and nitrogen atoms of the either uracil, adenine, cytosine, or uracil.
These hydrogen bonds results in three-dimensional structures of RNA.
In conclusion, RNA molecules are single-stranded nucleic acids materials.
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The zygote divides and implants into the wall of the uterus during which stage of prenatal development?
Germinal stage
The zygote divides and implants into the wall of the uterus during germinal stage of prenatal development.
What happens during germinal stage?When sperm and egg unite to create a zygote during conception, the germinal stage of pregnancy begins. During the germinal stage, the zygote begins to divide in order to be implanted into the uterine wall.After implantation, the embryonic stage starts.What traits define the germinal stage?activities throughout the germinal stage. An egg and sperm are converted into a zygote and then an embryo during the germinal stage using a variety of processes.Implantation, blastulation, cleavage, and fertilization are among the operations.How long does the initial stage last?The germinal phase lasts for approximately 14 days from conception to zygote (fertilized egg) implantation in the uterine lining.To learn more about prenatal development visit:
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Which is true about a neuron with a large diameter, myelinated axon as compared to a neuron with a small diameter, unmyelinated axon?
The true statement about a neuron with a large diameter, myelinated axon is that it conducts faster impulses than the small diameter, unmyelinated axon.
A neuron is the nerve cell that conducts signals from the brain to the whole body and vice versa. The structure of the nerve cell comprises of a cell body with the hair-like dendrites emerging from it. One side of the nerve cell has a long axon that ends at the axon terminal.
Myelinated axon is the one that that is covered by myelin sheath all along its length. The sheath is composed of proteins and lipids. The myelinated axon conducts faster signal because the impulses jump upon the sheath rather than covering the whole length of the axon.
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16. What is an enzyme?
Explanation:
Enzymes are proteins.They can catalyse different reactions they can be regulated in different ways with is very important to regulate the metabolism.Enzyms can catalyse different reactions bacause they have active center with help the molecules of the substrate to "meet each other" more easily and that lowers the the energy point needed for the reaction
How do we prevent the extinction of certain animals?
Answer:
by controlling climate change
Explanation:
If we stop climate change, the trees won't be dried meaning no wild fires.
Bloodletting, a treatment devised centuries ago to restore the balance of humors, was accomplished with the use of?
Bloodletting, a treatment devised centuries ago to restore the balance of humors, was accomplished with the use of leeches.
What does bloodletting serve?Bloodletting was the term used to describe the removal of blood for medical reasons.It was believed to cure a number of illnesses and rid the body of filthy fluids.Blood was initially extracted by cutting an artery or vein, typically at the elbow or knee, to remove the diseased blood.Taking blood from a patient in order to cure or prevent disease is known as bloodletting.Bloodletting was founded on an outdated medical theory that saw blood and other bodily fluids as "humours" that needed to be kept in the proper balance to maintain health, whether it was performed by a doctor or a leech.To learn more about Bloodletting, refer to the following link:
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Which process of molecule transport would occur when a patient develops pedal edema?
Answer:
Osmosis of molecule transport would occur when a patient develops pedal edema.
Explanation:
An abnormal buildup of fluids inside the ankles, foot, and lower legs known as pedal edema causes inflammation inside the ankles as well as feet. There are two things that might make the feet swollen. Increased capillary leaking from the venous system can affect fluid to flow into the interstitium, resulting in venous edema. A person having hypertension and developing pedal edema owing to too much salt in the blood does have a blood pressure around 160/90 mm Hg. Water begins to flow down the gradient as a result. As a result, osmotic pressure causes the water within blood vessels to migrate between higher concentrations toward lower amounts all across semipermeable, which causes water to accumulate in extracellular spaces. This process is known as osmosis.
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Two requirements are usually necessary for an organism to become fossilized: ______.
An organism must typically meet two conditions in order to become fossilized:
1) Organisms require hard parts like shells, teeth, cartilage, and bones.
(2) The organic material needs to be buried as soon as possible in a place that is oxygen-free and protected from scavengers.
Exactly who is a scavenger?An organism known as a scavenger primarily consumes decaying biomass, such as animal or plant matter that has gone bad. A lot of scavengers are carnivores, which are creatures that consume meat.
What are four examples of scavengers?Among the land scavengers are wolves, hyenas, jackals, and bears. Scavengers can be found in the air, including vultures, crows, ravens, and condors. In water, scavengers include lobsters, crabs, and several shark species.
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What is the opposite of photosynthesis?
- carbon fixation
- glycolysis
- aerobic respiration
- anaerobic respiration
Answer:
aerobic respiration and glycolysis
Which element is a component of all proteins, all nucleic acids, chlorophyll, and is the primary component of air?
Nitrogen is a component of all proteins, all nucleic acids, chlorophyll, and is the primary component of air.
Since plants require nitrogen in the biggest amount of all other significant nutrients, it is the nutrient that limits crop productivity that is mentioned the most frequently. Nitrogen is a component that every amino acid needs to be functional. Proteins are composed of amino acids.Nitrogen is a component of nucleic acids, which make up the DNA of all living things and contain the genetic code.Nitrogen is present in chlorophyll, which is where carbs are created (photosynthesis). Chlorophyll is the substance that gives plants their green hue.Photosynthesis moves along quickly when nitrogen levels are sufficient.A plant usually grows swiftly if it obtains enough nitrogen. The leaves will also begin to turn a dark green color.Learn more about the Nitrogen cycle with the help of the given link:
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The amino acids of the standard 20 contain sulfur atom(s) are _____________; all amino acids found in proteins contain a(n) amino group, except
All amino acids found in proteins contain a(n) amino group, except for proline.
What is amino acid?The building blocks of proteins are called amino acids. The building blocks of life are amino acids and proteins. Amino acids are the byproducts of protein digestion or breakdown. Proteins are created by the human body from amino acids to support the body: Destruction of food
Organic chemicals include amino acids. There are carbon-hydrogen bonds in organic chemicals. There is a basic structure shared by all amino acids. A hydrogen atom, an R-group, or side-chain group, a basic amino group, a carboxylic acid group, and a central carbon atom are all connected to one another by a molecule.
As the components of proteins, amino acids serve this purpose. Most chemical reactions that take place within cells are catalysed by proteins.
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