Answer:
Given:-Mass(M)=2.7 K.g
TO FINDweight = ?
Formulaweight = Mass × gravity
We know gravity (g) = 9.8 m/s²
CalculationSo weight (w) = 2.7 k.g× 9.8 m/s²
= 26.46 Newton
[tex] [/tex]
Thank you
label the flower. please help i’d appreciate it
Answer:
A. Ovule
B. Ovary
C. Style
D. Stigma
E. Pistil
F. Anther
G. Stamen
H. Filament
I. Sepal
J. Petal
Explanation:
I took bio alr
Which represents the greatest time frame in which a short term environmental change can occur
In day
In minutes
Over hundreds of years
Over thousands of years
Answer:
over hundreds of years
Explanation:
this is because a shorter time frame can allow a short environmental change to take place. This is as a result of the understanding that hundreds of years is a shorter time frame in which short term environmental changes can take place compared to thousands of years
The pot with tipped over and after a while the plant stem bent and grew toward the light growing towards the Sun/light and away from the pull of gravity. Which characteristic of a living thing is this an example of?
The characteristics of living thing that the statement exemplifies is irritability.
What are living things?Living things are such that have life in them or shows the characteristics of life or being alive.
The fundamental characteristics of life are as follows:
having an organized structurerequiring energyresponding to stimuliadapting to environmental changesbeing capable of reproductiongrowthmovementmetabolismdeathIrritability is a natural susceptibility, characteristic of all living organisms, tissues, and cells, to the influence of certain stimuli, response being manifested in a variety of ways.
Therefore, the response of the plant to light and gravity is termed irritability.
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the process of introducing a dead pathogen or nontoxic part of a pathogen into the body to provoke an immune response that prevents a certain disease is called
The process of introducing a dead pathogen or nontoxic part of a pathogen into the body to provoke an immune response that prevents a certain disease is called Vaccination .
Vaccination is the process of administering a vaccine to aid the immune system in developing immunity to a disease. Vaccines contain a weakened, live, or killed microorganism or virus, as well as proteins or toxins from the organism.
Vaccination is a simple, secure, and effective way to safeguard yourself against potentially fatal diseases before being exposed to them. It strengthens your immune system by utilizing your body's own natural defenses to build resistance to specific infections.
Vaccines assist your body to produce protective antibodies, which are proteins that help your body fight infections. By getting vaccinated, you can protect yourself while also preventing the spread of preventable diseases to others in your community.
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. why do you think four molecules of catecholamine neurotransmitters are generally bound to each molecule of atp?
In four neurotransmitter molecules the catecholamine is bound to each molecule of ATP because the synaptic vesicles and synaptic granules on the neurotransmitter contain adenosine triphosphate with a molar ratio of catecholamine to ATP of approximately 4:1.
Hormones that play a role in the nervous system are catecholamines in the form of epinephrine (adrenaline) and norepinephrine (noradrenaline). The adrenal medulla contains chromaffin granules (organelles in cells) which function for the biosynthesis, absorption, storage, and secretion of catecholamines.
Other compounds contained in these granules are ATPMg2+, Ca2+, Dopamine-β-hydroxylase (DBH), and the protein chromogranin. Catecholamines enter the granules by a transport mechanism with an ATP-dependent ratio of catecholamines : ATP = 4 : 1. Norepinephrine is stored in the granules, can leave and undergo methylation of the N-terminal end of the protein to form norepinephrine and then enter new granules.
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The products of photosynthesis required to start cellular respiration are
A.Oxygen and ATP.
B.Water and Carbon dioxide.
C.NADP and Hydrogen.
D.Glucose and Oxygen.
E.Carbohydrates and NADP.
During cellular respiration, cells break down sugars to release energy. In this process, water and carbon dioxide are produced as waste products. What must happen to these waste products in order for a cell to maintain homeostasis?.
From the cell, they must be expelled. Through the breakdown of glucose molecules and the addition of oxygen, carbon dioxide and water are produced during respiration, which releases energy.
What does the term "body homeostasis" mean?The term "homeostasis" refers to a self-regulating mechanism that enables an organism to retain internal stability while adapting to shifting external situations. It has emerged as the key unifying idea in physiology.
Describe a straightforward instance of homeostasis.In reaction to changes in the environment, an organism can maintain internal stability through homeostasis. Homeostasis is best shown by the body's internal temperature.
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In organisms that have two different alleles for a gene, if only one of them is needed to express the phenotype then that allele is said to be.
Since only one copy is required to express the allele, it will be referred to as dominant.
There are dominant and recessive alleles. An organism will express the dominant phenotype if it is heterozygous at a particular locus and carries both a dominant and recessive allele. Such type of allele need only one copy to be able to express their phenotype. Disease carried by dominant need only one allele to affect the organism.
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Major geological and biological events of the past are used by scientists to describe the.
Scientists use historical major geological and biological events to characterise the geological time scale.
Paleontologists, archaeologists, and geologists use the fossil record to put significant occurrences and species in the right geological epoch. The geologic time scale is fundamentally based on fossils. Because these time periods are frequently identified based on the presence of animal life, the names of the majority of the aeons and eras end in zoic. Fossil remains of relatively simple organisms, like bacteria, algae, and worm-like animals, have been found in rocks formed during the Proterozoic Eon.
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A sample of a gas is in a sealed, rigid container that maintains a constant volume. Which changes occur between the gas particles when the sample is heated?.
The frequency of collisions increases, and the force of collisions decreases.
An increase in temperature will affect and increase the volume. An increase in temperature will increase in kinetic energy. The mass of these particles is constant, the particles must move faster as the gas becomes warmer.
Also, increase in the number of gas molecules, when the container volume stays constant, increases its pressure. While a decrease in container volume will tend to increases the gas pressure. Hence, increase in temperature of a gas in a rigid container increases the pressure.
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atp is considered a high-energy molecule. when atp undergoes hydrolysis to adp, how much energy is produced?
One ATP molecule's hydrolysis releases 7.3 kcal/mol - energy (G = 7.3 kcal/mol of power).
What is referred to as bio energy?A variety of resources, including bioenergy, are available to assist us meet our need for energy. It is a type of renewable energy produced from different kinds of living organic matter, or biomass, which can be utilized to create products, heat, power, and transportation fuels.
What purposes serve bioenergy?The term "bioenergy" refers to the use of organic material (biomass) as an energy source for power (or electricity) generation and straightforward origin heat applications in all energy sectors, including for domestic, commercial, and industrial purposes as well as the creation of liquid fuels for transportation.
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The ________ are rope-like connections between muscles and bones and result from the fusion of periosteum with the connective tissue of muscle.
Answer:
Tendon
Explanation:
Tendon is a type of connective tissue that connects muscle to bone. The ligament is a connective tissue connecting bones to other bones. Cartilage is one of the types of connective tissue which covers the ends of bones at the joint.
Which four individual muscles make up the quads in the anterior femoral region of the leg?.
Four individual muscles make up the quads in the anterior femoral region of the leg are. Rectus femoris, Vastus lateralis, Vastus medialis and Vastus intermedius .
Rectus femoris is attached to the hip and helps to extend or raise the knee. Vastus lateralis, is the largest part of the quadriceps femoris, a muscle in the thigh. Four muscles in quad group helps to straighten your knee the rectus femoris, the vastus intermedius, the vastus lateralis, and the vastus medialis.
Only biceps femoris is not a member of the quadriceps and is actually an antagonist muscle found on the posterior leg.
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Which is the MOST accurate statement about the heating curve and energy? Responses
Moving from A to C the temperature and the kinetic energy increases. As the temperature of a substance increases, the movement or kinetic energy also increases.
What is kinetic energy?An item possesses kinetic energy when it is in motion. A force must be applied to an item in order to accelerate it. Using force needs us to perform work. After the work is completed, energy is transferred to the item, and the thing moves at a new constant speed.
Alternatively, if work is done on an item by providing a net force, the object accelerates and accumulates kinetic energy.
Moving from A to C the temperature and the kinetic energy increases is the MOST accurate statement about the heating curve and energy
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The complete question is as follows:
Which is the MOST accurate statement about the heating curve and energy?
A) Moving from A to C the temperature and the kinetic energy increases.
B) Moving from C to A the temperature decreases but the kinetic energy increases.
C) Although the temperature increases, there is no information about energy change.
D) As time elapses, the substances turns into plasma and has the highest kinetic energy.
organic molecules that uncouple the electron transport chain from atp synthesis have what major properties?
Organic molecules that uncouple the electron transport chain from atp synthesis have properties hydrophobic & hydrophilic.
What is the main function of ATP synthesis?The process of cellular respiration is where ATP is largely produced. The oxidation of respiratory substrates such proteins, lipids, and carbohydrates produces ATP. Energy is produced during their oxidation and is then stored in ATP as high-energy bonds.The thylakoid membranes of chloroplasts, the inner membranes of mitochondria, and the cytoplasmic membranes of bacteria all include enzymes known as ATP synthases, which are a very large set of highly conserved enzymes.The enzyme F1F0-ATP synthase produces ATP. The manufacture of ATP from adenosine diphosphate (ADP) and inorganic phosphate (Pi) takes place in the enzyme's soluble, hydrophilic headpiece, F1, which is implanted in the membrane. This enzyme is the smallest known molecular machine.
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What effects does a dysfunctional nervous system have on other systems of the body? Provide at least one specific example.
A dysfunctional nervous system has many effects on other systems.
The nervous system is a system that carries out some critical functions. It sends messages through the entire brain and the body. The brain controls all the functions in the human body, without which the body will shut.
A dysfunctional nervous system can affect every part of the human body. this includes disfunction of any part, weakness, and low functioning ability of the body or certain parts. This can eventually lead to the death of the person.
Problems like mood swings, depression, anxiety, etc, normally occur due to a dysfunctional nervous system.
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What processes happen within your nervous system to you to pull your finger away before you even think about it?
The process is called reflex action when your nervous system does you to pull your finger away before you even think about it.
What is reflex action?A sudden, reflexive response to stimuli is known as a reflex action. It aids organisms in making a fast adjustment to a bad situation that could otherwise result in physical injury or even death.
A typical reflex action is pulling our hands away right away after touching something that is hot or cold. Your brain receives an immediate signal from your pain receptors telling it to stay away from the painful area.
These acts are performed by motor neurons, which move your hand or activate the heart muscles. The peripheral nervous system is in charge of carrying out these tasks.
Therefore, when your nervous system causes you to move your finger away before you even think about it, the process is known as a reflex action.
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when bacteria can reproduce asexually why do they have to share genetic information
pls send fast i will mark as brainliest is it is relevant
Answer: The different types of asexual reproduction are binary fission, budding, vegetative propagation, spore formation (sporogenesis), fragmentation, parthenogenesis, and apomixis.
Explanation: correct me if i am wrong
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After eating a healthy breakfast, a student starts a five mile hike, explain how this scenario illistarits kinetic and potential energy
you are doing a biochemical analysis of molecules from cells from patients with a certain disease compared to cells from control patients who do not have the disease. you find that patients with the disease have unusually high levels of cytosine molecules with ch3 groups attached to their cells. which modification has taken place in the cells from the disease patients?
Plantae have the highest levels of methylation among eukaryotes, with methylation present in up to 50% of their cytosine residues.
What is methylation of cytosine?In both bacteria and eukaryotes, cytosine methylation is a frequent type of post-replicative DNA alteration. Due to the high probability of spontaneous deamination of this base to thymine, which results in a G/T mismatch, modified cytosines have long been recognized as acting as hotspots for mutations.
What takes place when a methyl group binds to a gene?The process of attaching methyl groups, which each contain one carbon atom and three hydrogen atoms, to DNA building blocks is known as DNA methylation.
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The backbone of DNA consists of ______.
a) paired nucleotides
b) a repeating sugar-nucleotide-sugar-nucleotide pattern
c) nitrogenous bases
d) a repeating sugar-phosphate-sugar-phosphate pattern
The backbone of DNA is made up of a sugar-phosphate-sugar-phosphate pattern that repeats itself.
What is the structure of DNA?DNA is a nucleotide-based double helical structure. Hydrogen bonds hold the two helices together. A sugar-phosphate backbone is also present in the DNA.Nucleotides are the building blocks of DNA and are composed of three components: a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base.A double helix is a twisted ladder-like structure composed of two interconnected strands winding around each other. Each strand has a sugar (deoxyribose) and phosphate backbone that alternates. Each sugar is connected to one of four bases: adenine (A), cytosine (C), guanine (G), or thymine (T).Understanding the structure and function of DNA has revolutionized disease pathway research, assessing an individual's genetic susceptibility to specific diseases, diagnosing genetic disorders, and developing new drugs. It is also essential for pathogen identification.To learn more about DNA refer to :
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What makes up the sides of the backbone of DNA?
and
What makes up the inside or the steps of a DNA molecule?
Answer:
The sides of the backbone of DNA are made up of alternating sugar (deoxyribose) and phosphate groups. The inside of the DNA molecule, or the "steps" as you put it, consists of the bases: adenine, guanine, cytosine, and thymine. These bases pair up with each other in specific ways: adenine always pairs with thymine, and guanine always pairs with cytosine. This is what gives DNA its unique double-helical structure and allows it to store genetic information.
Answer:
The backbone of a DNA molecule consists of the phosphate groups and the deoxyribose sugars, whereas the base of the DNA molecule consists of nitrogenous bases, therefore, the backbone of DNA is made up of phosphate groups and pentose sugars. Adenine is a part of the base of the molecule.
The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the amino acid tryptophan. the trp operon is a repressible operon. when tryptophan is not available in the environment, the trp repressor protein is____. therefore, rna polymerase can bind to the___to begin transcription.
It is not active to suppress trp. The promoter may so be bound by RNA polymerase, which will then start transcription.
An illustration would be genes.Numerous characteristics, such as your skin and hair colors, are determined by the genes you inherit. The red hair gene may have been passed on to Emma by her mother, who may have two genes—one for brown hair and one for red hair. She could have red hair if her father carries two genes for the color.
The significance of genesYour cells' growth and function are governed by instructions carried by your genes. The foundation of the body are cells. Billion of cells work together to form every component of your body. Chromosomes are the units that hold genes in place.
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bicoid is a gene that produces a porphogen. what results when there is a high concentration of the bicoid protein in a devlopoing [mebryo
A high concentration of bicoid protein at the opposite ends of a developing Drosophila embryo would result in the development of a two-headed fly.
Bicoid acts as a morphogen during Drosophila development. Thus, BCD mRNA is maternally located at the anterior pole of the embryo and Bcd forms an anterior/posterior gradient that functions in a concentration-dependent manner. Both functions require a homeodomain that recognizes.
DNA motifs on target gene enhancers and specific sequence spacing of her 3 untranslated regions of the tail mRNA. Female embryos with the bicoid mutation lack the head and thorax replaced by a posterior telson. Embryos lacking both maternal and zygotic hb show reduced and anterior shifts of ems and btd expression at the blastoderm stage.
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Which of the following statements accurately describes the difference between cellular and humoral immunity?
Cellular immunity directly attacks pathogens and infected cells, while humoral immunity releases antibodies to do so
Cellular immunity utilizes B-lymphocytes, while humoral immunity utilizes T-lymphocytes
Cellular immunity produces antibodies, while humoral immunity uses perforins
Neither defends against bacteria
While humoral immunity produces antibodies to do this, cellular immunity assaults pathogens and infected cells directly.
What distinguishes cellular immunity from humoral immunity?The primary distinction between humoral and cell-mediated immunity is the production of antigen-specific antibodies by humoral immunity as opposed to cell-mediated immunity.T lymphocytes, on the other hand, cause apoptosis in infected cells to cause their death.B Cells produce antibodies during humoral immunity reactions after becoming activated by free antigens found in bodily fluids.T cells attack infected body cells that have pathogen antigens on their surface during cell-mediated immune responses.Humoral immunity is an adaptive immune response that is exhibited by the B cells' generation of antibodies.It grows in the bone marrow.Plasma cell development in B cells may be induced.A plasma cell makes an antibody.When the B cell receptor and the antigen interact, antibodies are created.To learn more about humoral and cellular immunity refer to:
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the anatomic makeup of which bone structures make them susceptible locations for osteomyelitis in children? (select all that apply.)
The anatomic makeup of which bone structures make them susceptible locations for osteomyelitis in children are
a). Hip joint
b). Distal femur
c). Proximal humerus
e).Lateral ankle
Osteomyelitis is a type of bone infection that is caused by bacteria. It is a rare but serious condition that can cause severe pain, swelling, and redness in the infected area. It can also lead to bone destruction, joint damage, and limb loss. Osteomyelitis can affect any bone in the body, but it is most commonly found in the long bones of the arms and legs. Treatment usually requires antibiotics and, in some cases, surgery.
Osteomyelitis in children is typically seen in the long bones of the arms and legs, such as the femur and humerus, as well as the distal radius and tibia. The hip joint and lateral ankle are also susceptible locations for osteomyelitis in children.
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which statement is false about the skeletal alterations caused by chronic renal failure? when the glomerular filtration rate (gfr) declines to 25% of normal
A adequate amount of parathyroid hormone can no longer be secreted by the parathyroid gland .
GFR declines when the macula densa notices an increase in the concentration of NaCl in the renal filtrate.By monitoring filtrate osmolarity, the macula densa controls the body's blood pressure. If it falls too low, it causes the kidney's afferent arterioles to constrict, increasing pressure at the glomerulus and increasing glomerular filtration rate.Increased sodium chloride supply to the macula densa causes the production of adenosine, which causes vasoconstriction when it binds to the afferent arteriole. GFR is reduced as a result of the vasoconstriction.It is thought that the distal tubule fluid's sodium content and maybe the speed at which the fluid passes through them cause the macula to react.
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imagine a transmembrane molecule that lies in the plasma membrane and acts as a receptor for an extracellular signaling molecule. when the ligand-binding domain is inserted into the er during synthesis of this transmembrane molecule, will it lie on the lumen side of the er or the cytoplasm side?
It will be on the lumen side of the ER when a ligand binding domain is incorporated into the ER during production of the transmembrane protein lying in the plasma membrane.
What three purposes serve the plasma membrane?The cell is shielded from its surroundings by the plasma membrane, which also controls cellular movement and sends messages. According to the fluid mosaic model, phospholipids are arranged in a mosaic to form the plasma membrane.
Where does the plasma membrane reside?The outer layer of a live cell, also known as the plasma membrane, encloses the cytoplasm and nucleus. It is a membrane with selective permeation. A cell wall exists outside of the cell membrane in bacteria and plant cells. Animal cells have cell walls that contain the cell membrane.
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What type of chemical bond joins the bases of complementary DNA strands?
a) hydrophilic
b) covalent
c) hydrogen
d) ionic
Answer:
c) hydrogen
Explanation:
A(n) _____ is a developing star yet hot enough to engage in nuclear fusion
Answer: Protostar
Explanation: