The chemical or molecule that the enzyme is changing or affecting is _____________
activation energy
a substrate
an active site
Answers
Answer:
A substrate
Explanation:
Related Questions
describe the structure and the life cycle of a mushroom
Answers
Mushrooms are part of the fungal kingdom and have a complex structure and life cycle. They grow from spores and go through several stages of development before they mature and reproduce.
The structure of a mushroom consists of a cap, stem, and gills underneath the cap. The cap contains the spores, which are released into the air when mature. The stem provides support for the cap, and the gills underneath the cap are where the spores are produced.
The life cycle of fungal mushroom begins with spores, which are released from the mature cap and dispersed by the wind. When a spore lands in a suitable environment, it germinates and develops into a network of fine filaments called mycelium. The mycelium grows and spreads through the soil, feeding on organic matter.
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Refer to Animation: Filtration, Reabsorption, Secretion. Cells of the excretory tubule _________water by osmosis, from which we can conclude that the solute concentration in these cells must be _________ than in the filtrate.
Answers
Answer:
Remove and lower.
Explanation:
Cells of the excretory tubule remove water by osmosis, from which we can conclude that the solute concentration in these cells must be lower than in the filtrate. The excretory tubule remove excess amount of water from the cell through semi permeable membrane of the cell while on the other hand, the solute concentration in the cell is lower as compared to filtrate so that's why it can't diffuse from the cell by the process of osmosis.
The fruiting body found above ground in fungi is called the
A. cap.
B. hyphae.
C. mycelium.
Answers
Answer:
fruiting body is called cap
The mycelium is the fruiting body found above ground in fungi.
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.
A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
A mycelium is a network of fungal threads or hyphae. Mycelia often grow underground but can also thrive in other places such as rotting tree trunks. A single spore can develop into a mycelium. The fruiting bodies of fungi, such as mushrooms, can sprout from a mycelium.
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in which type of catheter placement is the catheter moved, manipulated, or guided into a part of the arterial system other than the vessel punctured?
Answers
Selective catheter placement requires moving, manipulating, or guiding the catheter into an area of the arterial system other than the aorta or the access channel (i.e., into the branches), typically with the aid of a fluoroscope.
A catheter is inserted into a branch off the aorta or the access channel (rather than at or close to the origin). Different vascular families are represented by each of these vessels that emerge from the aorta or access channel. Typically, the urethra is used to introduce it into your bladder (the tube that carries urine out of your body). Typically, the sterile catheter is pre-lubricated to lessen the possibility of any discomfort during insertion. Typically, a doctor or nurse will place a urinary catheter. They can either be introduced through the urethral catheter, a tube that exits the bladder, or through a tiny hole drilled into the lower belly (suprapubic catheter).
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what is the net of veins and arteries that connect the respiratory system with the circulatory system together?
Answers
which of the following is not an abnormal component of urine? A. white blood cells C. albumin D. glucose E. urea
Answers
1. According to the data in Model 1, how many females fall within the range 146-155 cm tall?
Answers
The number of females whose height fall within the range 146 - 155 cm is 1.
The height of the females can be obtained from the line graph in the picture attached. The height intervals is given on the x - axis and the Number of females on the y-axis. From the line graph, the number of females whose height range between 146 - 155 cm is 1.Learn more on graphs : https://brainly.com/question/15952755
a neutral stimulus causes no response. please select the best answer from the choices provided t f; higher-order conditioning occurs when a conditioned response acts as an unconditioned response.; conditioning occurs when two events that usually go together become associated with each other.; once a conditioned behavior is extinguished, it can no longer appear again.; spontaneous recovery is usually a permanent reappearance of a conditioned response.; when punishment is applied after every instance of an unwanted target behavior; how does advertising use classical conditioning to help sell products?; in classical conditioning, the __________ stimulus causes an unconditioned response.
Answers
Advertising uses classical conditioning to help sell products by associating a neutral stimulus (the product) with a positive unconditioned response, creating a desired conditioned response in consumers.
Classical conditioning is a psychological concept that involves associating a neutral stimulus with an unconditioned stimulus to elicit a specific response. In the context of advertising, the neutral stimulus is the product being promoted. Through repeated exposure, the product is paired with positive and appealing unconditioned stimuli, such as attractive models, luxurious settings, or desirable outcomes. This pairing aims to create a positive emotional response in consumers, which becomes associated with the product itself.
For example, consider a television commercial for a soft drink. The commercial repeatedly shows happy and energetic people enjoying the drink at a beach party. By associating the product (neutral stimulus) with the positive emotions and experiences of the beach party (unconditioned stimulus), the advertisers aim to create a conditioned response in viewers. As a result, when consumers encounter the product in a store or see its logo, they may experience positive emotions and a desire to purchase the drink.
Advertising often relies on classical conditioning techniques to influence consumer behavior. By strategically pairing products with positive stimuli, advertisers aim to create favorable associations and increase the likelihood of purchase. These associations can be established through various means, such as appealing visuals, catchy jingles, or celebrity endorsements. Understanding the principles of classical conditioning allows advertisers to shape consumer attitudes and preferences, ultimately driving sales and brand loyalty.
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air
lungs
carbon dioxide
hiccup
mouth
oxygen
trachea
yawn
diaphragm
sneeze
inhale
respiratory
bronchi
water vapor
blood
exhale
cough
pharynx
nose
All animals need ________________ to make energy from food. We get this oxygen from the _____________ that we breathe. In order to get the oxygen into the blood where it can be transported to the rest of the body, the air travels through a system of organs called the _______________ system. When you ________________, air enters the body through the _______________ or the ____________. From there it passes through the ______________, which forces air into the _______________ and food into the esophagus. The air travels down the trachea into two branching tubes called ________________ and then on into the ________________. In the lungs oxygen from the air enters the _______________. At the same time, the waste gas ____________________ leaves the blood and then leaves the body when you ___________________. Some __________________ also leaves the body when you exhale, which is why mirrors get foggy when you breathe on them. The ______________ is the muscle that controls the lungs. It is important to keep the respiratory system clear so oxygen can keep flowing into your body. If something gets in your nose and irritates it, you ___________________. If something gets in your trachea or bronchi and irritates it, you _________________. If something irritates your diaphragm, you _________________. Finally, if the brain thinks you are not getting enough oxygen, then it forces you to _________________.
Answers
Answer:
All animals need oxygen to make energy from food. We get this oxygen from the air that we breathe. In order to get the oxygen into the blood where it can be transported to the rest of the body, the air travels through a system of organs called the respiratory system. When you inhale, air enters the body through the nose or the mouth. From there it passes through the pharynx, which forces air into the trachea and food into the esophagus. The air travels down the trachea into two branching tubes called bronchi and then on into the lungs. In the lungs oxygen from the air enters the blood. At the same time, the waste gas carbon dioxide leaves the blood and then leaves the body when you exhale. Some water vapor also leaves the body when you exhale, which is why mirrors get foggy when you breathe on them. The diaphragm is the muscle that controls the lungs. It is important to keep the respiratory system clear so oxygen can keep flowing into your body. If something gets in your nose and irritates it, you sneeze. If something gets in your trachea or bronchi and irritates it, you cough. If something irritates your diaphragm, you hiccup. Finally, if the brain thinks you are not getting enough oxygen, then it forces you to yawn.
-TheUnknownScientist 72
Why does active
transport require
energy?
nsport.
A. Materials are moved with the
concentration gradient.
B. Materials simply flow along the
path of least resistance.
C. Materials move against a
concentration gradient.
D. It does not require energy.
Answers
Answer:
C. Materials move against a concentration gradient.
I hope this helps you
:)
Answer:
C
Explanation:
Materials cannot naturally move against the concentration gradient thus require energy for their movement
What is the name for two specialized cells that will swell from water
pressure to contol gas loss from the leaf? *
Stomata
Mesophyll
Epidermis
Guard
Answers
which of the following describes a properly controlled experiment? a. five tomato seeds are planted in an outdoor garden, while five radish seeds are planted in potted soil and kept indoors. b. a newspaper publishes a list of the 100 most popular movies of all time. c. fifteen turtles are fed iceberg lettuce and their weight is measured after three weeks. d. twenty mice are given orange juice every day, while another twenty mice are given just water.
Answers
Answer:
d
Explanation:
I Just Took the Test.
The carbon cycle involves which of the following: (select all correct answers that complete the following
sentence)
The transfer of carbon to-
Answers
Answer:
Explanation:
A
Name the 3 types of evidence scientists use to determine Earth's History. 1. Climate change, folklore, and textbooks 2. Radioactive decay, rock layers, and hieroglyphics 3. Radioactive decay, fossils, and rock layers
Answers
One of the best form of evidence about the history of life on earth are fossils. Fossils provide us clues about major geological evets and past climates. Index fossils are useful for concluding the ages if rock layers.
Absolute dating methods determine how much time has passed after rocks formed by measuring the radioactive decay of isotopes or the effects of radiation on the crystal structure of minerals.
Answer - Option 3
Help I need the function for Cytoplasm pick the correct answer
Answers
Explanation:
the fourth last option is the correct answer - a place of cell reactions.
hope this helps you.
Describe how lymph nodes, bone marrow, and
the spleen help fight off various illnesses.
Answers
Answer:
Explanation:
Lymph vessels send lymph fluid through nodes throughout the body. Lymph nodes are small structures that work as filters for foreign substances, such as cancer cells and infections. They contain immune cells that can help fight infection by attacking and destroying germs that are carried in through the lymph fluid.The tissues and organs that produce, store, and carry white blood cells that fight infections and other diseases. This system includes the bone marrow, spleen, thymus, lymph nodes, and lymphatic vessels (a network of thin tubes that carry lymph and white blood cells)
The toxic condition caused by excessive amount of urea and other waste products in the bloodstream is known as
Answers
Uremia is a toxic accumulation in the blood. It happens when your kidneys quit filtering poisons out of your urine. Uremia is frequently associated with end-stage renal (kidney) illness.
Azotemia and uremia are two forms of renal diseases. When there is nitrogen in your blood, you have azotemia. Uremia is caused by the presence of urea in the blood. They are, however, both linked to renal illness or damage.
Uremia develops when your kidneys are injured. Toxins, or body waste, that your kidneys ordinarily excrete in urine end up in your circulation. These poisons are referred to as creatinine and urea. Uremia is a dangerous illness that, if left untreated, can be fatal.
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Abundant in tissues subjected to great mechanical stressa. Trueb. False
Answers
has an abundance of mechanically stressed tissues. When a tissue type, like the, is subjected to a lot of mechanical stress, phagocytosis takes place.
What does "tissue in animals" refer to?
Animal tissues are described as assemblages of cells that collaborate to carry out particular tasks. Animals have four main types of tissue, each with a distinct structure and function. These include epithelial tissues as well as connective, muscular, nervous, and epithelial tissues.
What causes tissues to grow?
Simply put, a group of cells with a similar structure and function is a tissue sample. They offer a cellular entire organization among cells and organ systems. Organs are created from the informational and normative of diverse tissues.
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Scientists monitor the effects of a deadly parasite in a host. What trends will they most likely see?
A. As the parasite population increases, the host population decreases.
B. As the parasite population increases, the host population increases.
C. The host population decreases only if the parasite population decreases.
D. The host population will remain the same regardless of whether the parasite population increases or decreases.
Answers
Answer:
a
Explanation:
when could virions (such as t4 phage particles) be detected within an e. coli cell?
Answers
The virion, that is the complete infectious virus particle, includes a genome comprising one or a few molecules of either DNA or RNA, surrounded by a morphologically defined protein coat, the capsid; the capsid and the enclosed nucleic acid together constitute the nucleocapsid.
Escherichia coli is a Gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms.
E. coli , no current treatments can cure the infection, relieve symptoms or prevent complications. For most people, treatment includes: Rest. Fluids to help prevent dehydration and fatigue.
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10. compare the origin and function of reptile scales, bird feathers, and mammal hair. how are they similar? how do they differ?
Answers
Reptile scales, bird feathers, and mammal hair are all examples of adaptations that provide benefits to their respective organisms. While they serve similar functions, such as insulation, protection, and aiding in movement, the origin and structure of these adaptations differ.
Reptile scales are believed to have originated from modified skin folds that helped to protect against dehydration and mechanical damage. These scales are made of keratin and have a bony base, providing protection against predators and environmental stressors. They are relatively rigid and do not allow for much flexibility, which limits their use in movement.
Bird feathers, on the other hand, are highly modified structures that evolved from reptilian scales. They are made of keratin and have a central shaft that branches out into barbs and barbules, allowing for both strength and flexibility. Feathers provide insulation, enable flight, and aid in communication and display.
Mammal hair is also made of keratin but is unique in its ability to grow and shed throughout an animal's life. It is believed to have evolved from reptilian scales as well, but the exact process is not fully understood. Hair provides insulation, protects against abrasion and damage, and aids in sensory perception.
In summary, reptile scales, bird feathers, and mammal hair are all adaptations that serve similar functions, but their origin and structure differ. Reptile scales are relatively rigid and provide protection, while bird feathers and mammal hair are more flexible and serve a wider range of functions.
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Which category of signal exerts its effects on target cells by binding to membrane-bound receptor proteins
Answers
Answer: Neurohormones
Explanation:
Neurohormones are chemicals produced by neuroendocrine cells which behave like hormones. They are released into the bloodstream unlike neurotransmitters that are released into the synaptic cleft.
The same neurohorome can have both functions (hormonal and neurotransmitter). Hormones are chemicals produced by the endocrine glands that move through the body in the bloodstream. They control many biological processes, including muscle growth, heart rate, hunger, and the menstrual cycle. A neurotransmitter is a biomolecule that enables neurotransmission, i.e. the transmission of information from one neuron (a type of cell in the nervous system) to another neuron, a muscle cell or a gland, via the synapse that separates them. The neurotransmitter is released from the synaptic vesicles at the end of the presynaptic neuron, towards the synapse, through the synaptic space and acts on the specific cell receptors of the target cell.
So, a neurohormone is a biomolecule that, like the neurotransmitter and the hormone, is responsible for an exchange of information between cells. The neuroendocrine cells that secretes de neurohormones are, in turn, half neurons, half endocrines, and are found both in the Nervous System and in other parts of the body. They bind to receptors located on the membranes of other cells. Unlike neurotransmitters that interact only with other neurons, neurohormones also interact with other cells. When a neurohormone enters a cell and binds to its receptor, it causes the receptor to change shape, allowing the neurohormone-receptor complex to enter the nucleus and regulate gene activity. The binding exposes regions of the receptor that can bind to specific DNA sequences. These sequences are found next to certain genes in the cell's DNA, and when the receptor binds to them, it alters their transcription levels.
The most obvious case is catecholamines, formed in the adrenal glands by chromaffin cells, which are modified neurons and they are released directly into the blood. In turn, they are also produced by neurons and act at the synapses.
during exhalation, the ribs become depressed as the intercostal muscle relax - this the lung volume decreases which increases the alveolar pressure. what does this cause
Answers
Answer:
The correct answer will be option A.
Explanation:
Exhalation is a mechanism of breathing which exhales out the gases from the lungs to the atmosphere.
During the exhalation process the thoracic volume decreases which decrease the lung volume. This decreases alveolar volume. Due to this decrease in alveolar volume the intra- alveolar pressure increases above atmospheric pressure up to +2 cm of H₂O which results in the release of the gas or air out of the lungs.
Thus, option A is the correct answer.
photosynt h. Write short notes on: (i) Pulmonary circulation (ii) Fertilization 11. (ii) Systemic circulation (iv) Vegetative reproducti
Answers
Pulmonary Circulation and Systemic Circulation are the types of circulation
1. Pulmonary Circulation:
Pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide.
The oxygenated blood then flows back to the heart. Systemic circulation moves blood between the heart and the rest of the body. It sends the oxygenated blood out to cells and returns deoxygenated blood to the heart.
2. Fertilization:
Fertilization is a Reproductive process in which a male sex cell (sperm) unites with a female sex cell (egg). During the process, the chromosomes of the egg and sperm will merge to form a zygote, which will divide to form an embryo.
3. Systemic Circulation:
In the systemic loop, oxygenated blood is pumped from the left ventricle of the heart through the aorta, the largest artery in the body.
The blood moves from the aorta through the systemic arteries, then to arterioles and capillary beds that supply body tissues. Here, oxygen and nutrients are released and carbon dioxide and other waste substances are absorbed.
4. Vegetative reproduction:
Vegetative reproduction is any form of asexual reproduction occurring in plants in which a new plant grows from a fragment or cuts off the parent plant or specialized reproductive structures, which are sometimes called vegetative propagules.
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The current Question is:
Write short notes on (i) Pulmonary circulation and (ii) Fertilization (ii) Systemic circulation (iv) Vegetative reproduction.
Answer 16-20 for brainelest and do them number like 1,2,3 please and thank you and have a good day
16. What feature is formed as magma rises during seafloor spreading?
17. What is the name for the valley-like feature that forms where two continental plates diverge?
18. What is the name for the fracture created by the movement of a transform boundary?
19. What is the name for the shaking of the earth due to sudden movements along a transform fault?
20. What type of fault is the San Andreas Fault in California?
Answers
Answer:
16
seafloor spreading
Explanation:
Okay check my answer, don't just answer and say something random just to get points. If you want points I'll make a separate thing just for u. But you HAVE to tell me in the COMMENT section not in an answer. Thank you pls hurry:(
Students are conducting an experiment to determine if the amount of sunlight affects the size of clover leaves. They plant clover in two identical pots, placing one next to a window and one inside a cupboard. They water each pot daily with 10 mL of water. Which is the independent variable?(1 point)
A. The kind of pots the plants are in
B. The size of the plants leaves
C. The amount of light the plants recieve
D. The volume of water the plants recieve
Pls help I think it's B or C but I'm not sure pls help me!!
Answers
Answer:
follow mrmusicnub on soundation I post music I make on it sometimes! :)
Explanation:
Just make an account rq it takes like 5 secs
Answer:
tbh i think c
Explanation:
The inelastic connective tissue that attaches a muscle in the lower
leg to a heel bone is known as
a tendon
C cartilage
B
a ligament
epidermis
Answers
help giving brainliest
Answers
According to Lavoisier's law, in the given reaction the mass of zinc produced will be 104 g.
Let's consider the following reaction.
Ca + ZnCO₃ ⇒ CaCO₃ + Zn
64g 192 g 152 g ? g
What does Lavoisier's law state?Lavoisier's law states that the sum of the masses of the reactants before the reaction is equal to the sum of the masses of the products after the reaction.
mCa + mZnCO₃ = mCaCO₃ + mZn
mZn = mCa + mZnCO₃ - mCaCO₃
mZn = 64 g + 192 g - 152 g = 104 g
What would be the amount of zinc formed during the reaction?
The mass of zinc produced will be 104 g. TRUE.The mass of zinc will be the same as that of zinc carbonate. FALSE.The mass of zinc produced will be 52 g. FALSE.The mass of zinc will be the same as that of calcium. FALSE.According to Lavoisier's law, in the given reaction the mass of zinc produced will be 104 g.
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Explain the Frank-Starling law of the heart.
Make sure to give a short, explanation of the Frank-Starling law and the role of stretch on
the cardiac contractile tissue has on the force of contraction. You should then explain
how this property allows for the matching of venous return and stroke volume. Some
important topics to consider as you answer this question are end-diastolic-volume (EDV),
end-systolic-volume (ESV), venous return, preload, afterload, and Starling curves.
Answers
The Frank-Starling law of the heart states that the force of contraction of the cardiac muscle is directly related to the initial length or stretch of the muscle fibers. In simpler terms, when the cardiac muscle is stretched, it contracts more forcefully.
The cardiac muscle fibers have an inherent property that enables them to generate greater force when they are stretched. This property is due to the increased overlap of actin and myosin filaments within the muscle fibers when they are elongated. When the muscle fibers are stretched, the actin and myosin filaments have a more optimal arrangement, allowing for stronger and more efficient muscle contractions.
Now, let's discuss how the Frank-Starling law allows for the matching of venous return and stroke volume. The stroke volume refers to the amount of blood pumped out of the heart with each heartbeat, while venous return refers to the amount of blood flowing back to the heart from the veins.
According to the Frank-Starling law, the initial length or stretch of the cardiac muscle fibers, known as the end-diastolic volume (EDV), determines the force of contraction. When there is an increase in venous return, more blood fills the heart during diastole, leading to an increase in the EDV. This increased volume stretches the muscle fibers of the heart.
The stretched muscle fibers, in turn, generate a more forceful contraction during systole, leading to a larger stroke volume. This increased stroke volume effectively matches the increased venous return, maintaining the balance between the amount of blood entering the heart and the amount of blood pumped out.
It's important to note that the Frank-Starling law is influenced by two other factors: preload and afterload. Preload refers to the degree of stretch of the cardiac muscle fibers before contraction, primarily determined by the volume of blood in the ventricles at the end of diastole. Afterload, on the other hand, refers to the resistance the heart must overcome to eject blood during systole, usually represented by the pressure in the aorta.
The relationship between preload, afterload, and stroke volume is depicted by the Starling curves. These curves illustrate how changes in preload (EDV) can affect stroke volume. When preload increases, the Starling curve shifts upward, indicating an increase in stroke volume. However, if afterload increases (such as in conditions like hypertension), the curve shifts downward, reducing the stroke volume.
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Which feature of the model represents stored chemical energy
Answers
The sugar molecule represents the most stored chemical energy. Thus, the correct answer is Option B.
Sugar (glucose, C₆H₁₂O₆) is a biological molecule that stores energy in its chemical bonds, not the molecule that initiates the process of cellular respiration During cellular respiration, glucose is broken down in a series of chemical reactions to produce energy ATP (adenosine triphosphate).
The process of cellular respiration begins at the stage of glycolysis, where glucose in the cytoplasm of the cell is partially broken down into pyruvate molecules and then the pyruvate molecules are broken down again in the presence or production of oxygen (aerobic respiration). fermentation in the absence of oxygen depending on whether oxygen is present
During aerobic respiration, pyruvate enters mitochondria and undergoes the citric acid cycle (also known as the Krebs cycle) and the electron transport chain These processes release energy from glucose chemical bonds to produce more ATP.
Therefore, sugar (glucose), although it stores energy in its chemical bonds, is not the molecule that initiates cellular respiration. Instead, during cell respiration, glucose is broken down and energy is released in the form of ATP.
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Complete question:
Which feature of the model represents the most stored chemical energy?
A. The oxygen gas molecule
B. The sugar molecule
C. The water molecule
D. The carbon dioxide molecule
