In conclusion, enzymes accelerate the rate of a chemical reaction by lowering the energy needed to reach the transition state. They act as catalysts, facilitating the reaction without being consumed in the process. This enables reactions to occur more efficiently in living organisms.
Enzymes are biological molecules that act as catalysts in chemical reactions. They help to speed up the rate of a reaction by lowering the activation energy required for the reaction to occur. Activation energy is the energy needed for the reactant molecules to reach the transition state and undergo the reaction.
Enzymes achieve this by binding to the reactant molecules, called substrates, and facilitating the formation of the transition state. The transition state is a high-energy intermediate that the reactant molecules must pass through in order to form the products of the reaction.
By binding to the substrates, enzymes stabilize the transition state and make it easier for the reaction to proceed. This lowering of the activation energy allows the reaction to occur at a faster rate than it would without the presence of the enzyme.
To understand this concept, let's take an example of the enzyme lactase. Lactase is responsible for breaking down lactose, a sugar found in milk. Without lactase, lactose would be difficult to digest as it would require a significant amount of energy to reach the transition state and break the bond between its sugar molecules.
However, when lactase is present, it binds to lactose and facilitates the formation of the transition state. By lowering the activation energy, lactase allows the lactose molecules to break apart more easily, resulting in the production of glucose and galactose, which are easier to digest.
In conclusion, enzymes accelerate the rate of a chemical reaction by lowering the energy needed to reach the transition state. They act as catalysts, facilitating the reaction without being consumed in the process. This enables reactions to occur more efficiently in living organisms.
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All tropisms are physical changes true or false
Answer:
false
Explanation:
Define cellular respiration
Answer:
Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
Explanation:
thanks me later
Explanation:
Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
The boxer crab, lybia tesselata, carries a small pair of anemones in its claws. when approached by a predator, it waves the anemones around, presenting the stinging tentacles and chasing away the predator. the anemones benefit by eating food particles from prey that the crab catches. what type of relationship is this? a. commensalism b. mutualism c. parasitism d. predation
Mutualism. When two organisms of different species "operate together," they are said to be in a mutualistic relationship. The oxpecker, a species of bird, and the rhinoceros or zebra are two examples of mutualistic relationships.
Oxpeckers land on rhinos or zebras and consume ticks and other parasites that dwell on their skin. The oxpeckers receive food, and the animals are protected from pests. Also, the oxpeckers fly higher and cry a warning when there is danger, aiding the symbionts.
The algae and the spider crab. Spider crabs inhabit shallow sections of the ocean floor, and their greenish-brown algae-covered backs help them blend in with their surroundings. Both the crab and the algae are given a comfortable environment to live.
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Although they are different species, woodpeckers and squirrels both live in holes in trees. what resource are these species competing for? food and water sunlight space or shelter ability to reproduce
Although they are different species, woodpeckers and squirrels both live in holes in trees. The resources that these species compete for include space and shelter.
Woodpeckers are birds that build shelters on the trees while squirrels make holes in wood bark as their habitat.
Species living in the same environment often compete for the distribution of resources including food, shelter, space, and more.
Squirrels eat fruits, nuts, almonds, pecans, etc. while woodpeckers eat insects, nectar, corn, fruits, etc.
There is not so much competition for food but as they both live on trees, they compete for space and shelter.
as they belong to different species, so they don't compete for reproduction opportunities.
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Answer:
c
Explanation:
edge 2023
Identify each element as existing at STP as solid, liquid, gas, or unknown of bromine
The element as existing at STP as solid, liquid, gas, or unknown of
Bromine at STP: Liquid.
What is Bromine?Bromine is a chemical element with symbol Br and atomic number 35. It is a member of the halogen group, and is the second-lightest halogen after fluorine. Bromine is a pale reddish-brown liquid at room temperature and has a strong, disagreeable odor. Bromine is highly reactive, and is used as a source of reactive radicals in organic synthesis. It is also a potent oxidizing agent, and is used mainly in compounds such as bromates and bromides. Bromine is found naturally in the environment in seawater and in some salt deposits. In animals, it is present in trace amounts in the blood and is essential for proper thyroid function.
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What do you notice about the size of the planets?
Answer:
space is weird and imagine all of the things we haven't discovered
Answer:
Small then big
If you were explaining the anatomy and functions of the testes to your lab partner, you would likely say all of the following except They are endocrine glands that produce testosterone. They are the primary male reproductive organs that produce sperm. They consist of numerous lobules that contain convoluted seminiferous tubules. They are male accessory glands that produce semen.
If I were explaining the anatomy and functions of the testes to my lab partner, I would not say that they are male accessory glands that produce semen.
The testes are not classified as accessory glands, but rather as primary male reproductive organs responsible for sperm production. They are endocrine glands that produce testosterone, which is a crucial male sex hormone involved in the development of male reproductive tissues and secondary sexual characteristics.
The testes consist of numerous lobules that contain convoluted seminiferous tubules. These tubules are the site of spermatogenesis, the process by which sperm cells are produced. Within the seminiferous tubules, specialized cells called Sertoli cells support and nourish developing sperm cells.
While the testes play a vital role in male reproductive function by producing sperm, accessory glands such as the seminal vesicles, prostate gland, and bulbourethral glands contribute to the production of semen. Semen is a mixture of sperm and secretions from these accessory glands, and it helps nourish, protect, and transport sperm during ejaculation.
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after the producer in the food chain everything else will be
A. a herbivore
B. an omnivore
C. a consumer
Answer:c. a consumer
Explanation:
Producers,who make their own food using photosynthesis or chemosynthesis.
A food chain is a network in a food web starting from producer which include Herbivores and then move onto secondary consumer and later to tertiary consumers.
Imagine that a polypeptide (protein) was supposed to have 8 amino acids, but instead only has 3 amino acids. What is the cause and result?
A. Silent mutation; no impact to the function
B. Nonsense mutation; no impact to the function
C. Missense mutation; impact to the function
D. Nonsense mutation; impact to the function
The reason why there are fewer amino acids in the protein is because there is a nonsense mutation, resulting in an impact on function.
What is a nonsense mutation?Nonsense mutation occurs in DNA when there is a change in the sequence giving a termination codon instead of a specific amino acid codon, thus creating a shorter protein than the original. Being then this protein probably not functional.
This termination codon will be called a premature termination codon or a nonsense codon.
Therefore, we can confirm that the reason why there are fewer amino acids in the protein is because there is a nonsense mutation, resulting in an impact on function.
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Which is one way that minerals crytallize from materials dissolved in water
From the air
From solutions that evaporate
From hot water solutions when water boils
From the soil
Answer:
From solutions that evaporate
Explanation:
Minerals can form in different ways. According to the question, minerals crystallize from a material dissolved in water when the solution evaporates. When a material dissolves in water, it forms a solution i.e. water + dissolved material.
The element constituents of the solution can aggregate to form a solid mineral, which will be left to crystallize when the solution undergoes evaporation i.e. liquid changes to gas. A very good example is when salt dissolves in water to form a salt water solution. When the water of this solution evaporates, salt crystals are left, which can crystallize to form minerals.
Answer:
From solutions that evaporate
Explanation:
list the similarites between amino acids, fatty acids, and sugars(monosaccharides).
The similarities between amino acids, fatty acids, and sugars include the following below:
They are organic compounds.They are formed by the digestion of food. Some of them can be produced by the body. What is a Biomolecule?This is referred to as a biological molecule and are substances which are produced by cells and living organisms. Examples include the following:
CarbohydrateNucleic acidFatty acid etcThey all contain carbon atoms present in their molecular structure which is why they are referred to as organic compounds and can be produced by the body through some metabolic reactions.
Food substances serves as a source for these biomolecules as they are usually broken down through enzymatic actions in the process referred to as digestion.
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In the diagram below, images 1 and 2 represent the chemical and molecular levels of organization. Based on the levels of organization, what does image 4 represent? A diagram with 7 parts. 1, An atomic model. 2, A molecule. 3, A small group of cells. 4, A group of cells creating layers. 5, The heart. 6, The circulatory system. 7, A cat. tissue cell organ system organ
Image 4 in the diagram represents the tissue level of organization. Tissues are groups of similar cells that work together to perform a specific function. In image 3, we can see a small group of cells, which may represent a tissue at a very small scale. However, in image 4, we can see a larger group of cells creating layers, which is a characteristic of a tissue.
In higher levels of organization, tissues combine to form organs, and organs combine to form organ systems. For example, the heart is an organ that is part of the circulatory system. The circulatory system is an organ system that is responsible for the transportation of blood throughout the body.
Lastly, image 7 in the diagram represents the organism level of organization, which is the highest level of organization. At this level, all of the organ systems work together to maintain the functions of the entire organism, which in this case is a cat. Overall, the diagram shows the different levels of organization in living organisms, starting from the smallest unit of matter (atoms) to the largest scale of organization (organisms).
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how is neomycin sulfate used to treat patients with cirrhosis? a. it treats the current infection the patient has b. it prevents future infections of the liver c. it restores normal function to the liver cells d. it decreases the rate of ammonia production
Neomycin sulfate is used to treat patients with cirrhosis as: it decreases the rate of ammonia production. The correct option is D.
Cirrhosis is a progressive disease of the liver that is characterized by the destruction of liver cells and the development of fibrous tissue. The liver produces ammonia, which is a toxic substance, and normally excretes it in the urine. The liver's ability to excrete ammonia is decreased in cirrhosis patients.
The ammonia then accumulates in the bloodstream and can lead to a condition known as hepatic encephalopathy (HE). Neomycin sulfate is a type of antibiotic that is used to decrease the rate of ammonia production in cirrhosis patients. Neomycin works by killing the bacteria in the intestines that produce ammonia.
This, in turn, reduces the amount of ammonia that is absorbed into the bloodstream and helps to prevent hepatic encephalopathy. Neomycin sulfate does not treat the current infection that the patient has, nor does it prevent future infections of the liver. It also does not restore normal function to the liver cells. Rather, neomycin sulfate is specifically used to decrease the rate of ammonia production in patients with cirrhosis.
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How did a solid Earth form?
Answer:
The earth formed approximately 4.6 billion years ago from a nebular cloud of dust and gas that surrounded the sun. As the gas cooled, more solids formed. The dusty material accreted to the nebular midplane where it formed progressively larger clumps. ... This process continued until an earth-sized planet had formed.
what strategy, taken to an extreme in organisms like humans and elephants, can increase an organisms fitness because, from the perspective of evolution, children must survive to the age of reproduction?
In species like humans and elephants, the use of excessive parental care can improve an organism's fitness.
Care can be advantageous if parents (1) increase offspring survival during the stage in which parents and offspring are connected, (2) enhance offspring quality in a way that increases offspring survival and/or reproduction in the future when parents are not connected with offspring, and/or (3) directly...
Parental care - which is defined as any parental behavior or adaptation that improves the fitness of the offspring, frequently at some cost to the caregiver, exhibits striking diversity among species, ranging from short-term and relatively simple behaviors, like egg attendance, to long-term and elaborate adaptations, like some forms of food.
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How do sand dunes usually migrate?
Answer:
Sand can be moved by strong steady winds
Explanation:
Whe sand blows it pushes the sand ahead of it so the dunes slowly moves
The photograph shows a result of waves made by an earthquake.
What was transported to this location by the earthquake waves?
O A. Rock
O B. Matter
O C. Gravity
D. Energy
1. An athlete thinks that she can exercise as long as she eats different types of food because her body
just needs different types of food molecules to work properly. Is the athlete correct?
Answer:
Yes, her cells only work when they have molecules from different types of food.
Explanation:
the diagram below shows the procedure scientists used to clone a frog from the nucleus of a skin cell. the tadpole produced by the cloning process will be genetically _______________________
a. most similar to the frog the egg cell came from
b. most similar to the frog the skin cell came from
c. different from both frogs that the cells came from
d. identical to both frogs that the cells came from
Answer: most similar to the frog the skin cell came from
Explanation:
I just took the test
The tadpole produced by the cloning process will be genetically most similar to the frog the skin cell came from. Thus, the correct option for this question is B.
What is the Cloning process?The cloning process may be defined as a type of technique that scientists significantly use to construct exact genetic copies of living things. This process is used to create an exact genetic replica of another cell, tissue, or organism.
The copied material, which has the same genetic makeup as the original, is referred to as a clone. The skin cell of the frog is divided through the process of mitosis which produces cells that are genetically identical to the parental cell.
The process of meiosis is carried out by gamete cells or germ cells which produce daughter cells that are not genetically identical to the parental cell.
Therefore, the tadpole produced by the cloning process will be genetically most similar to the frog the skin cell came from. Thus, the correct option for this question is B.
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What type of blastula does an urchin have?
An urchin is a type of echinoderm and as such, its blastula is formed through a process known as radial cleavage.
This means that the cells divide in a pattern that is perpendicular to the polar axis of the embryo, resulting in a blastula that is spherical and hollow with a single layer of cells known as the blastoderm. The blastula is an important developmental stage for the urchin embryo as it prepares it for further development into a gastrula, where it will begin to form the three primary germ layers of the embryo. The blastula stage is also where the embryo undergoes compaction, which is a process that helps to establish the polarity of the developing embryo. Overall, the blastula stage is critical for the development of the urchin embryo and sets the stage for further differentiation and specialization of cells as the embryo continues to grow and develop.
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what is the poly name of carbohydrates
Answer:
Polysaccharides
Explanation:
Polysaccharides are the most abundant Carbohydrate found in food. They are long chain polymeric carbohydrates composed of monosaccharide units bound together by glycosidic linkages.
How are food webs on land and in the water similar and how are they different?
Answer:
Land food chains, also known as terrestrial food chains, usually start with a plant as a producer. Water food chains, or aquatic food chains, can start with an aquatic plant as a producer, but there are also microscopic free-floating cells called phytoplankton that can use sunlight to make their own food as well.
Which substance completes passive transports and facilitated diffusion?
Facilitated diffusion is a type of passive transport which is seen in both plants and animals. Some ions, molecules such as carbohydrates are transported through facilitated diffusion.
What is Transportation?Transportation is the movement of molecules from one place to another. In diffusion, the transport of molecules takes place from the region of low concentration to the region of their high concentration.
Diffusion is an energy independent process. It does not require ATP for transportation of substances. This type of transport is called passive transport.
The facilitated diffusion is a type of passive transport which does not require energy but it requires some transport proteins such as carriers and channels for the transport. It is because, the molecules are polar in nature and of high molecular weight which does not allow them to cross the membrane on their own.
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Globular proteins are usually all EXCEPT?
a. Insoluble in water.
b. Roughly spherical.
c. Folded so that the hydrophobic amino acids are in the interior of the molecule
Globular proteins are usually insoluble in water.
In terms of structure, globular proteins are folded in such a way that their tertiary structures are made up of polar amino acids that are ordered on the exterior and the non-polar amino acids that are placed on the inside. Globular proteins are typically spherical in shape.
They are also referred to as sphero-proteins, and they have a mediocre water solubility. Because the non-polar amino acids on the inside of the protein globules, which are not in direct contact with water, make this type of protein soluble. Polar amino acids are present on the globules' exterior, where they interact with water to turn it into a soluble material.
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what do the fungi in mycorrhizae get from plants?
A mycorrhiza is a symbiotic association between a green plant and a fungus.
The plant makes organic molecules such as sugars by photosynthesis and supplies them to the fungus, while the fungus supplies the plant with water and mineral nutrients, such as phosphorus, taken from the soil.
Do you think dog legs homologous to human arms and whale fins?
Answer:
Similarly,
A dog's leg, A bird's wing, and A whale's finare also homologous to the human arm. Such structures are said to have diverged over time, indicating that at one time, they may have had the same function in the common ancestral organism.
Explanation:
As humans get older, the number of ______ in the brain increases while the number of neurons decreases.
As humans get older, the number of astrocytes in the brain increases while the number of neurons decreases.
Astrocytes are a type of glial cell in the central nervous system that provide support and maintenance for neurons. They play important roles in regulating the brain's environment, providing nutrients to neurons, and aiding in the repair and recovery of brain tissue. As individuals age, the number of astrocytes tends to increase, potentially as a compensatory mechanism to maintain brain homeostasis and support neuronal function.
On the other hand, the number of neurons in the brain tends to decrease with age. This phenomenon, known as neuronal loss or neurodegeneration, is a normal part of the aging process. Factors such as oxidative stress, inflammation, and genetic factors contribute to the progressive loss of neurons over time.
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Which system of energy production do you want your body to use if you are trying to burn fat group of answer choices aerobic anaerobic androdiostine aerodynamic
Aerobic system of energy production helps to burn fat. So aerobic is the correct answer.
Aerobic, which means "with air," describes how the body uses oxygen to produce energy. Usually, this refers to any workout that lasts more than two minutes.
Consequently, high-intensity anaerobic exercises result in a greater overall calorie and fat loss. Here's another way to look at it: During aerobic exercise, around 60% of the calories that are expended originate from fat. In comparison, during anaerobic exercise, around 35% of calories are expended from fat.
Aerodynamics is a subfield of dynamics that studies how air and other gaseous fluids move as well as the forces that are applied to moving objects in relation to these fluids.
So the correct answer is aerobic reation helps to burn fat better.
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Help please!! I'll name you brainliest!!
Answer:
ok :)
Explanation:
1. T
2. T
3. F
4. T
5. F
6. T
7. T
a group of organisms of the same species linving in an area is called
Answer:is called a pack
Explanation: