Explanation:
Enzymes bring reactants together so they don't have to expend energy moving about until they collide at random. Enzymes bind both reactant molecules (called the substrate), tightly and specifically, at a site on the enzyme molecule called the active site
The site on the enzyme at which reactants are brought together during a chemical reaction is known as the active site.
What are Enzymes?Enzymes may be defined as biocatalysts that increase the rate of a chemical reaction without being consumed or changed in the overall process. It may be thought that all cellular reactions and processes are mediated by enzymes.
The construction of the enzyme-substrate complex is the first step in the mechanism of enzymatic catalysis. In this step, the reactant molecules are brought together during a chemical reaction. These reactant molecules bind to the active site of an enzyme.
The Active site of an enzyme is the region where substrates bind and catalysis initiates.
Therefore, the active site is the region on the enzyme at which reactants are brought together during a chemical reaction.
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how do alleles influence inherited traits?
Answer:
They can determine if a trait is recessive or dominant, which means in can determine what will show up in the offspring.
state the principal of independent assortment below
The Law of Independent Assortment states that during a dihybrid cross (crossing of two pairs of traits), an assortment of each pair of traits is independent of the other.
Explanation:
Hope it helps you!!HELP................
Answer:
B
Explanation:
Cell Differentiation and Specialization
Pre-Test
Active
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Which type of cell is capable of self-renewal?
O stem cell
O blood cell
O muscle cell
O neuron
Answer:
blood cell
Explanation:
because bloodcell rotating all over the body
Answer: Stem Cell
(Got it right on edg.)
Which of the following is a common health consequence of limited physical activities and no exercise?
Increased risk of Type 2 diabetes and heart disease
Slower reaction times and blurred vision or speech
Increased risk of cancer due to UV light sensitivity
Stronger immune system and decreased illness
Increased risk of Type 2 diabetes and heart disease is a common health consequence of lack of physical activities and Exercises.
Physical activities and Exercises.Physical activities and Exercises refer to various body movements or activities that are carried out by individuals for good health and well-being.
Some of these activities or exercises including dancing, walking,cycling, jumping, playing and so on.
Therefore, Increased risk of Type 2 diabetes and heart disease is a common health consequence of lack of physical activities and Exercises because these activities help to burn fat and excess glucose. It improve the proper conditioning of the heart and gives vitality to the body. Type 2 diabetes is as a result of too much accumulation of glucose that are not burn.
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Answer: The answer is A.
Explanation: Took the test
The law of conservation of energy states that energy cannot be created or destroyed, but energy can change:.
Which of the following layers of the atmosphere where the molecules are gravitationally bound to that body?
a.
Thermosphere
b.
Exosphere
c.
Stratosphere
d.
Mesosphere
Answer:
b.
Explanation:
The air in the exosphere is very thin, and is made up mostly of helium, and hydrogen which traces other gases such as atomic oxygen and carbon dioxide.
Which of the following is NOT a type of renewable energy?
A: Solar
B: Biomass
C: Nuclear
D: Geothermal
The law of supply and demand states that a product becomes more valuable if:
O It has a short demand and is in O short supply.
It has a great demand but is in short supply.
O It has a great demand and is in great supply.
O It has a short demand but is in great supply.
Answer:
it has a short demand but it is in great supply
what is qualitative in biology
Answer:
To describe or define the characteristics of measurements, or recations.
Please answer both these questions separately!!!!
1. List and define six important physical properties of the soil.
2. Explain how a soil series differs from a land capability class.
Answer:
it help in the fertilization of plants upper most layer of the Earthserves as manurehuman activitieshuman resourcesshelterArteries near the heart expand as blood rushes in after each contraction. Which component in the arteries allows this expansion? (2 points)
Connective tissue in the tunica media
Smooth muscle in the tunica media
Endothelium in the tunica intima
Elastin protein in the tunica intima
Answer: The elastic connective tissue
Explanation: Allow stretched tissues to recoil as pressure is reduced
Answer: D
Explanation:
This pedigree tracks a recessive trait. What could person 3's genotype be?
Select all possibilities,
Based on the pedigree and the recessive nature of the trait, it can be concluded that the genotype of Person 3 is Aa.
What is recessive trait?A recessive trait is a trait or character encoded by a recessive gene.
A recessive trait does not appear in every generation bit only appears in the absence of the dominant trait.
From the pedigree shown, the recessive trait is h0m0zygous in 2 while 1 is heterozygous for the trait.
Person 3 is heterozygous recessive for the trait too.
Therefore, the genotype of person 3 is Aa.
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whats a solid in science definition
Answer:
A solid in science is one of the 3 matters. It stays in one shape unlike a liquid.
Explanation:
Can someone please help me
Air flowing from Alaska and the North Pacific push ocean waters, but instead of flowing directly south, they flow to the west. Why is that?
•Because of ocean currents
•Because of ocean tides
•Because of the rotation of the Earth
•Because of the marine life living in the ocean
Which describes slate? non-foliated igneous does not split into layers grains arranged in parallel layers
The answer is D. Grains arranged in parallel layers.
Answer:
D. arranged in parallel layers
Explanation:
I just took the test and if you see an image of slate then you will see it is arranged with parallel layers.
HOPE IT HELPS!!!
In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen.
6CO2 + 6H2O ® C6H12O6 + 6O2
Which component could be added to complete this chemical equation?
light energy
ATP and NADPH
chemical energy
rubisco
Answer:
The answer would be light energy.
Explanation:
Photosynthesis also needs sunlight as well as oxygen and carbon dioxide.
It also needs light energy
Answer:
A) Light energy
Explanation:
photosynthesis is 6CO2+6H2O→C6H12O6+6O2. 6CO2+6H2O→C6H12O6+6O2. In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts. Chloroplasts contain disc-shaped structures called thylakoids, which contain the pigment chlorophyll.
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Say something nice
You're a gift to those around you. You're a smart cookie. You are awesome! You have impeccable manners. People would always want to be your friend! you are always cool .
Hemoglobin is a quaternary protein
structure on a red blood cell involved in
oxygen transport. Hemoglobin A1 has two
a-chains and two ß-chains. Hemoglobin A2
has two a-chains and two & chains. In spite
of the structural differences, both
hemoglobin A1 and A2 perform the same
functions.
Which of the following statements explains
why both hemoglobin types perform the
same functions?
Answer:
hemoglobin binds to oxygen and releases it near cells that are performing cellular respiration
Answer:
The amino acid sequences changed the alpha and beta chains because of molecular interaction.
What are the steps in the Carbon Cycle? What elements or things are only found in this cycle?!
How is the Carbon Cycle similar to the Water Cycle? Where do they both take place?
What terms or steps are only found in the Water Cycle?
What are the steps in the Nitrogen Cycle? What terms or steps are only found in the Nitrogen
Cycle?
What similarties can be found between Nitrogen and Phosphorous? What do they both include?
Who benefits from these cycles?
What are the steps or terms can only be found in the Phosphorous Cycle?
How are the Water and Phosphorous Cycle related? What elments do they both include?
How is the Carbon Cycle similar to the Nitrogen Cycle What do they all have in common?
1. One way that the carbon cycle is similar to the water cycle is that they're both Biogeochemical cycles.
I'm not sure on the rest, I hope this helped
Which of the following is NOT an example of metabolism
a.
building up of larger molecules from smaller ones
b.
releasing energy to perform specific body functions
c.
controlling the basic functions and activities of the cell
d.
breaking down of larger molecules or substances into smaller ones
Answer:
c.
Explanation:
A. is a type of metabolism called anabolism
B. is a type of metabolism called catabolism
D. is often the result/purpose of catabolism
C. the basic functions and activities of the cell is considered metabolism.
Which of these is dictated by the law of supply and demand?
1) oil
2) renewable resources
3) biodegradable resources
4) air pollution
The law of the supply depends on the demand and need of the resource in the market for various uses. Oil (non-renewable) is dictated by the law of supply and demand. Thus, option 1 is correct.
What are non-renewable resources?Non-renewable resources are limited resources that are not easily replenishable as it takes a very long time for them to be produced. Oil is a fossil fuel and a non-renewable resource that has limited supply and follows the demand.
Renewable resources like wind, water, soil, etc., are infinite in number and hence they are not balanced by demand and supply. On the other hand, air pollution has no demand and biodegradable resources do not dictate the demand-supply law.
Therefore, option 1. oil being a non-renewable resource is dictated by the law of supply and demand.
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humans activity can destroy coral reefs. Because so many organisms depend on the coral reef, this can have a negative effect on the shallow oceans water. Which of the following solutions will offer the best way for humans to repair the damage and improve the health of this ecosystem.
Which word is a synonym for leave?
Sprout
Depart
Enter
Return
Answer:
B
Explanation:
This is an English subject, not biology. But the answer is Depart.
Depart is a synonym for leave.
Which of these tasks would a hydrologist be most likely to perform?
A. Determining the species of a recently collected specimen
B. Estimating the age of recently discovered fossils
C. Estimating the amount of groundwater in an aquifer
D. Determining the best method to extract underground oil
Hydrologists are most likely to perform actions relating to estimating the amount of groundwater in an aquifer.
HydrologistsHydrologists are scientists that specialize in the study of how water relates to the various crusts of the earth.
Hydrology in itself refers to the branch of science that studies how water moves relative to the earth's crusts.
Thus, species identification, age of fossils, or extracting underground oils have nothing to do with the work of hydrologists.
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Which stage of the cell cycle is the stage where the nucleus of the cell divides?
Answer:
Mitotic | Anaphase
Explanation:
Which best describes how the photosystems are used in the light-dependent reactions?
photosystem I is used first then photosystem II
photosystem II is used first then photosystem I
Both processes are used at the same time.
Both processes are used during the light-independent reactions.
Answer:
B. photosystem II is used first then photosystem I
Photosynthesis is a series of metabolic reactions that convert sunlight, water and CO2 into sugar and oxygen. The reactions in photosynthesis can be divided into light-dependent and light-independent reactions.
The statement "photosystem II is used first then photosystem I" BEST describes how the photosystems are used in light-dependent reactions.Photosystem I (PSI) and photosystem (PSII) are protein complexes localized in the thylakoid membrane of the chloroplast.During light-dependent reactions, energy from sunlight is absorbed by chlorophyll of the photosystems. Subsequently, this energy is then converted into chemical energy (ATP and NADPH), a process that involves the transference of electrons.Both photosystem I and photosystem II contain pigments to collect sunlight energy and a reaction center in which excited electrons can be transferred from chlorophyll to an electron acceptor.Photosystem II is upstream in the electron flow pathway, but this photosystem (PSII) was discovered after photosystem I.Subsequently, electron flow is coupled to the generation of an electrochemical proton (H+) gradient across the thylakoid membrane, which is used to synthesize ATP by an ATP synthetase.In conclusion, the statement "photosystem II is used first then photosystem I" BEST describes how the photosystems are used in light-dependent reactions.
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What is the test variable in science
Answer:
Anything that can change
Explanation:
Determine what type of tonicity describes the cell when compared to the described solution: an Isotonic Cell(s), Hypotonic Cell(s), or Hypertonic Cell(s): The concentration of dissolved substances (stuff) in the solution is lower than the concentration inside the cell.
Answer:
Hypotonic Tonicity
Explanation:
Hypotonic tonicity is when the concentration of dissolved substances is lower in the solution outside the cell than the concentration inside the cell.