Enzymes are described as catalysts, which means that they __________. View Available Hint(s)for Part A increase the free energy of the reactants to make the reaction go faster provide activation energy for the reactions they facilitate can alter the free energy change (ΔG) for a chemical reaction are proteins increase the rate of a reaction without being consumed by the reaction
Answers
Answer:
Enzymes are proteins that are able to increase the rate of a reaction without being consumed by the reaction. They are also called natural catalysts.
Explanation:
Enzymes increase the rate of chemical reactions inside cells by lowering the activation energy required for the reaction to proceed.
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Related Questions
how does the colour of star help to find its age
Answers
Answer:
As stars age, they run out of hydrogen to burn, decreasing the amount of energy they emit. Thus, younger stars can appear bluer while older ones appear more red, and in this way, a star's color can tell us something about that star's age.
Explanation:
Which of these is a biotic factor?
topography
soil
air
bactiria
Answers
Which three questions that the student might be asking can be answered using
science?
A. Should I have an egg for breakfast, or oatmeal?
B. What chemicals were in the food of the chicken that laid this egg?
C. Is it wrong to eat a chicken egg?
D. How many eggs can a chicken lay in one day?
E. How strong is the shell that covers an egg?
Answers
Answer:
B, D, and E
Explanation:
why is the digestion of starch to glucose necessary
Answers
Answer: The fundamental sugar unit for carbs is usually glucose. To address your question, starch digestion is required because enzymes and transport molecules require tiny, regular molecules to work with, and glucose is the foundation of most carbohydrate metabolism.
Explanation:
Answer:
The molecule of starch is too large and complex to enter a cell and therefore, it cannot be ingested directly. It is important to break down the bigger molecules of starch into smaller and simpler molecules of glucose so as to perform the process of glycolysis.
Explanation:
The process of glycolysis happens at a cellular level where glucose molecules are further broken down and utilized as energy to carry on various other cellular processes. The process of glycolysis happens in two stages namely:Energy requiring stage:Step 1: Glucose phosphorylation where a molecule of phosphorus is added to the glucose ring.Step 2: Energy releasing phase where the molecule of glucose-6-phosphate is converted to fructose-6-phosphate. Step 3: involves the phosphofructokinase reaction where fructose-6-phosphate is converted into fructose1,6-biphosphate.Step 4: involves an enzyme aldolase which converts the FBP into 23 carbon isomers.Step 5: involves the formation of glyceraldehyde-3-phosphate.Energy releasing stage: It breaks down glyceraldehyde-3-phosphate to pyruvate releasing 4 ATP and 2 NADP for cellular processes.For more information:
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what is the function of the chloroplasts
Answers
Chloroplasts are the organelles that contain the chlorophyll pigment, which is essential for the good-making process of photosynthesis.
chromosomes tightly coiled structure enables them to be properly segregated during:
Answers
Answer:
cell division
Explanation:
Niche-
Describe a specific organisms niche found in the Gobi Desert
Answers
Answer:
Desert Niches
Adaptations include a species' selection of food, water and shelter as well as other facts of its behavior. Niches within desert ecosystems include open desert scrub, open grasslands, washes and sandy soils.
Explanation:
Glycogen is a complex carbon hydrates found in animals true or false?
Answers
Answer:
true
Explanation:
Explanation:
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Plane joints are the only type of synovial joint not featured in the Concept Map. Which of the following describes their range of motion?
A. A plane joint is non-axial and allows for gliding motion.
B. A plane joint is uniaxial and allows for flexion and extension.
C. A plane joint is biaxial and allows for abduction and adduction.
D. A plane joint is multiaxial and allows for motion in all axes.
Answers
Answer:
Plane joints are the only type of synovial joint not featured in the Concept Map. Which of the following describes their range of motion? A plane joint is non-axial and allows for gliding motion
need an answer now explain answer the 1-4 questions
Answers
2 The most important trait as an official is fairness, because they should always treat everyone equally, no matter where they come from or what different features they have. Also during an argument they have to stay fair and listen to both sides to solve the problem peacefully.
3 They can improve their officiating skills by always acting professional and not let private life and work life mix for example. It's important to keep some kind of professional distance between them and colleagues. Precision can be improved by concentrating and working more accurately.
4 I think that I could handle officiating basketball in my community, because I am a very responsible person, who cares about everyone equally and would act fair in every situation. I can also take responsibility about certain things or people. Furthermore I like organising and maintaining a professional lifestyle.
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bonjour , c'est a rendre pour demain , pourriez vous m'aider ?
Answers
Answer:
It's way too easy to be on here
Explanation:
Which of the following biological molecules
are composed of the elements C, H, O, N and
S?
carbohydrates
nucleic acids
proteins
lipids
Answers
Answer:
protein
Explanation:
because carbohydrate ..nucleic acids protein
Biological molecules are large molecules made of various elements and compounds linked together. Proteins are composed of C, H, O, N, and S. Thus, option C is correct.
What are proteins?Proteins are considered macromolecules that are large in size and are polymers composed of various units of amino acids linked together by peptide bonds. They are involved in various activities and structural functions in the body.
The chains of various amino acids linked together make the protein molecule. The amino acids involved in the structure are composed of various elements that include, hydrogen, carbon, oxygen, nitrogen, and sulfur in various combinations. The amino acids contain amine, carboxylic acid, and other variable groups.
Therefore, option C. proteins are made of monomers of amino acids.
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what are the five functions of cell membrane
Answers
Answer:
protects the cell by acting as a barrier.
regulates the transport of substances in and out of the cell.
receives chemical messengers from other cell.
acts as a receptor.
cell mobility, secretions, and absorptions of substances.
Explanation:
In bakery when _______ is added to the dough for preparing bread, the dough rises
Answers
Answer:
Yeast
Explanation:
yeast causes dough to rise when combined.
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How to use bacteria as a treatment for sewage waste
Answers
Answer:
Aerobic bacteria can be used to use the available oxygen in the water to degrade the pollutants in the waste and convert it into energy it can use for its metabolic processes.
what material is found in c and d that is not found in a and b?
Answers
Answer:
need pic
Explanation:
A cell wall is ___ found in plant cells
Answers
what do all craniates have that earlier chordates did not have?
Answers
Answer:
partial or complete skull
Explanation:
My parents have made me do online flashcards as studying and that was one of the questions
would this have a positive or negative effect on the body?
Answers
Answer:
?
Explanation:
75 grams of salt are added to 100 ml of water. What is the concentration of the solution? *
Answers
Answer:
look at the photo I have sent
starting with parent material list steps that lead to formation of an a-horizon
Answers
Answer:
Explanation:sequence copy the graphic organizer below. starting with parent material, list steps that lead to the formation of an a-horizon
Which example(s) of cell transport do/does not require chemical energy?
A.
Drops of blue food coloring are placed in water and spread throughout the water, turning it blue.
B.
A potato slice is placed in water and water molecules from inside the potato move into the surrounding water.
C.
both A and B
D.
neither A nor B
Answers
Answer:
C
Explanation:
Because osmosis(B) this is where water moves from a high concentration to a low concentration across a partially permiable membrane( No energy required). Whereas in diffusion (a) this is the net movement of particles from a region of a high concentration to a region of a low concentration. This stops when the region is evenly spread. (No energy is required)
The cell transport which takes place in food coloring, potato slice is concentration gradient. This type of cell transport does not need energy. Thus, the correct option is C.
What is Cell transport?
Cell transport is the transport of molecules through the cell membrane. Transport of substances through the membrane takes place through osmosis and diffusion.
The diffusion of substances can be active or passive on the basis of requirement of energy. The passive mode of transport does not require energy as the movement of substances occurs down the concentration gradient from high concentration to low concentration. Whereas, in active transport energy is required in the form of ATP as the transport occurs against the concentration gradient from low concentration to high concentration.
Therefore, the correct option is C.
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2. Which structures must be present in a cell for osmosis to take place?
A. Cell (sap) vacuole and cell wall
B. Cell wall and cell membrane
C. Chloroplast and cytoplasm
D. Cytoplasm and cell membrane
Answers
D- Chloroplast and cell membrane
A ____________ is neither a plant, animal or bacteria but causes trouble to all living things.
Answers
Answer:
I say that fungi makes more sense, so a fungi is neither a plant, animal or bacteria but causes trouble to all living things.
Explanation:
Since fungi don't classify as plants and are more complex than bacteria's, as they obviously aren't animals.
Help please! Q: Location Three: Select three events that you predict will be observed. If I explore two continental plates at a transform boundary, then I will observe:
A: earthquakes
B: faults
C: ocean formation
D: mountains
E: volcanoes
F: island chains
G: seafloor spreading
Answers
Answer:
Earthquakes, Faults, and Island chains.
Explanation:
There are three types of plate boundary such as Constructive, destructive and transform plate boundary. The primary landform in the Transform boundary are faults which is caused by the Earthquakes. Many transform boundary landforms are in the ocean floor which is responsible for the island formation. Fault is found due to the two process such as Ridge push and ridge pull. Transform boundary neither creates and nor destroys any land in the region.
Metamorphic rocks are common when two continental plates collide because There is a lot of stress when enormous slabs of crust push together Sediment buries rocks to increase pressure O Magma bodies are common because there is a lot of melting O All of these
Answers
Answer: Metamorphic rock, estimated to be as old as 3.8 billion years, located near Isua at Qorqut Sound, Greenland.In the rock cycle, there are three different types of rocks: sedimentary, igneous, and metamorphic. Sedimentary and igneous rocks began as something other than rock. Sedimentary rocks were originally sediments, which were compacted under high pressure. Igneous rocks formed when liquid magma or lava—magma that has emerged onto the surface of the Earth—cooled and hardened. A metamorphic rock, on the other hand, began as a rock—either a sedimentary, igneous, or even a different sort of metamorphic rock. Then, due to various conditions within the Earth, the existing rock was changed into a new kind of metamorphic rock.
The conditions required to form a metamorphic rock are very specific. The existing rock must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid. Usually, all three of these circumstances are met. These conditions are most often found either deep in Earth’s crust or at plate boundaries where tectonic plates collide. In order to create metamorphic rock, it is vital that the existing rock remain solid and not melt. If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock.
Explanation:
Which of the following best describes a benefit of one type of nonrenewable energy?
Natural gas does not produce greenhouse gases as other energy sources do.
Coal deposits are found on nearly every continent and mining coal poses few risks.
Nuclear power increases water vapor in the atmosphere.
Petroleum is relatively inexpensive compared to other forms of energy.
Answers
Answer:
d
Explanation:
Answer:
Petroleum is relatively inexpensive compared to other forms of energy.
Explanation:
1 pts Question 3 The transfer of glucose into a cell does not require ATP. What type of transport supplies a cell with glucose?
O exocytosis
O osmosis
O passive transport
O active transport
Answers
Answer:
A exocytosis
Explanation:
got it right on quiz
triggering of the muscle action potential occurs after
Answers
Triggering of the muscle action potential occurs after Ach binds to chemically gated channels in the motor end plate membrane. Acetylcholine (Ach) is a neurotransmitter produced by nerve cells.
An action potential is an electrical signal that travels along the cell membrane as a wave.
This action potential (muscle action potential) drives the contraction of muscle fibers.
When the action potential reaches the neuromuscular junction (i.e., the motor end-plate), acetylcholine (Ach) is released into the synaptic cleft.
Subsequently, Ach can bind and open specific channels localized on the surface of the muscle cells, thereby depolarizing them and triggering muscle contraction.
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Select the correct answer.
How is relative-age dating used to determine the ages
of fossils?
• A.
by observing the formation of sedimentary rocks
O B.
by using radioactive isotopes
O C.
by estimating the number of fossils in a particular region
O D.
by the formation of igneous rocks
• E.
by identifying the way the fossils were formed
Answers
Answer:
A.
Explanation: By observing the formations you will see the layers of the earth.