The true statement about enzymes include the following options below:
The enzyme changes shape to fit the substrate.The enzyme helps to break bonds in the substrate. The enzyme helps to create bonds between the two substrates.The enzyme is a selective catalyst.What is an Enzyme?This is referred to as a biological catalyst which speeds up the rate of reaction and they are substrate specific which makes it a selective catalyst.
They also change shape to fit the substrate as described in the lock and key model and are also able to create and break bonds present in the substrate.
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The full question is:
Check all of the following statements which are true.
Part C
Why does the thermometer in the black paper show a greater increase in temperature than the others?
Answer:
Because a black surface takes in/absorbs more radiation from the sun!!
Explanation:
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s a researcher in a protein lab, you analyze two different proteins for their shape and the amino acids they contain. your results show that the two proteins have exactly the same numbers and types of amino acids, but they have different shapes.
According to the given statement Each protein has a unique linear sequence of amino acids.
What are amino acids ?Amino acids are the building blocks of proteins. Life's essential building blocks are proteins and amino acids. The breakdown or digestion of proteins produces amino acids as waste products. The human body uses amino acids to make proteins that help with food dissection.
Where can you find amino acids in the body?Three amino acids—valine, leucine, and isoleucine—known as branched-chain amino acids (BCAAs) have a branching chemical structure. A common component of muscle proteins, BCAAs promote the body's natural process of muscular growth and give us energy while we exercise.
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How does the initial mass of a star relate to its surface temperature and luminosity?
For stars in their main sequence, as stellar mass increases, so do diameter, temperature and luminosity.
What is the relationship between stellar temperature, radius, and luminosity?The brightness (luminosity) is represented on the y axis in the H-R diagram below, while temperature is indicated on the x axis (from right to left). The population of stars displayed diagonally from top left to bottom right is the main sequence.
The brightness of any incandescent (heat-glowing) object obviously rises with temperature, and the hotter the object, the bluer its light.
A faster rate of fusion in the core, caused by more pressure from greater mass, is what causes a star to get hotter.
So, the larger the star (mass and diameter), the brighter, hotter, and bluer it is. Smaller stars are redder and colder.
Red giants and white dwarfs do not appear in the main sequence.
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Which soil (s) would have a deep O horizon (deciduous forest / desert / rainforest/ grassland)?
The temperate grassland soil is found to have a very deep O horizon.
How the grassland soil with deep O horizon.A layer of soil deep layer of O which enormous nutrients in large quantities are embedded in the temperate grassland.
On the contrast, the deciduous forest, rainforest and desert soil does not have high nutrients when compared to the ones in the grassland.
Soil refers to the topmost layer of the earth crust. There are different types of soil. These include the following:
Loamy soilSandy oilClay soil.So therefore, a dark top and deep layers of O horizon are found in the grassland.
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When neurons in your hypothalamus sense that blood pressure is low and that the body needs more water, it will send a signal to your pituitary gland, telling it to release anti- diuretic hormone. This hormone will instruct your kidneys to absorb less water/ leave more water in the bloodstream. All of the following systems are directly involved in this example of osmoregulation EXCEPT:
A.nervous
B. endocrine
C. urinary
D. circulatory
E. digestive
what molecule is the oxygen used to create inside the cell?
what is the name of this process ? What is the purpose of the molecule that is produced ?
Answer:
Cellular respiration can occur both aerobically (using oxygen), or anaerobically (without oxygen). During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. The purpose of the ATP is to store energy for future reactions or be withdrawn to pay for reactions when energy is required by the cell.
Describe how you can distinguish the structures of each of these polysaccharides. Lookat the examples closely and come up with a way to memorize which is which and thenexplain it (do not just simply draw each structure).
starch -
cellulose -
glycogen-
Answer: starch
Explanation:
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-Record details about what you observe…
-what do they look like?
Answer:
white blood cells
Explanation:
bc it looks like red blood cells.. but white
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description and observations of star gazing
The description and observations of star gazing is that the motion of stars is one that is seen as Diurnal motion where stars as well as other kind of celestial bodies is seen across the sky. This motion is seen as Earth's tends to rotate from west down to the east, which makes celestial bodies to also move from east to west.
What do you perceive when gazing at the stars?A galaxy is a collection of billions of gravitationally bound stars, the majority of which will have their own Solar System. Finding them and viewing them through a telescope are both enjoyable due to their variety of sizes and forms as well as the various angles from which we view them from Earth.
The rotation of the Earth is what causes this motion. Stars can be seen rising in the east, as well as they are passing overhead, and setting in the west as the Earth spins us eastward at a speed of about what we say a thousand miles per hour.
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What is ‘making applesauce’? national geographic
The making of applesauce simply refers to the process of preparing a nutritious meal majorly with apples and water.
How is applesauce made?An applesauce is made by cooking some sort of apples such as McIntosh or even golden delicious and adding some spices to it. Some of the spices which is used in this process to make the sauce of apple include nutmeg, cinnamon and so on and so forth. It is a nutritious meal or juice which is highly rich in vitamins.
In addition to the above, the making of apple of applesauce could also be be done by peeling the apples, or it may be left unpeeled, some sweet ingredients can also be added to it.
Apples are fruits which belong to a class of food know as the vitamins or the body regulating and protective food. When fruits are consumed in the appropriate quantities, it helps prevent the body against diseases.
So therefore, the making of applesauce is done by the addition of peeled or unpeeled apple with water and other ingredients.
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lysozyme, an enzyme found in human saliva, tears, and other secretions, catalyzes the hydrolysis of the beta-1,4-glycosidic linkages and peptidoglycan. predict the effect of this enzyme on bacteria and how it may be involved in human health.
lysozyme, an enzyme found in human saliva, tears, and other secretions, catalyzes the hydrolysis of the beta-1,4-glycosidic linkages and peptidoglycan. predict the effect of this enzyme on bacteria and how it may be involved in human health.
lysozyme, an enzyme found in human saliva, tears, and other secretions, catalyzes the hydrolysis of the beta-1,4-glycosidic linkages and peptidoglycan. This enzyme degrades the bacterial cell wall but it is suitable for human health by preventing bacterial infection.
What is hydrolysis?
The cleavage of biomolecules known as biological hydrolysis occurs when a water molecule is consumed in order to cause the division of a bigger molecule into its component parts. Saccharification is the process of hydrolyzing a carbohydrate into its individual sugar molecules, as occurs when sucrose is broken down into glucose and fructose.
The beta one for, say, acidic connections, an urgent analogy that will demolish the bacterial cell wall. By destroying their peptidoglycan, it breaks down the bacterial cell wall. In addition, since we lack peptidoglycan in our bodies, an enzyme that kills bacteria won't have the same impact on human cells. This is excellent for human health since it can help stop bacterial infections. Because it will presumably destroy microorganisms, we detect it in human secretions that come into contact with the environment, such as tears and saliva.
Hence . lysozyme degrades the bacterial cell wall but it is suitable for human health by preventing bacterial infection.
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A growth disfunction in childhood
can sometimes mean a problem
or disease associated with a
particular gland. Name the gland
that is likely to be responsible for
a growth problem in childhood.
Answer: the pituitary gland
Explanation: The condition occurs if the pituitary gland makes too little growth hormone. It can be also the result of genetic defects, severe brain injury or being born without a pituitary gland.
a researcher finds a mutation toward the 3' end of a mammalian gene. the original sequence, aauaaa, has been changed. what aspect of transcription or mrna function is most likely to be affected?
The mutation in the 3' end of a mammalian gene that changes the sequence AAUAAA (poly-A tail) will affect the stability of the m-RNA molecule.
Poly-A tail in mammalian gene is composed of the sequence AAUAAA. It us very essential for providing the m-RNA molecule its stability. Its presence also prevents the degradation of the RNA. Another function of poly-A tail is to guide the transport of newly synthesized RNA molecule from the nucleus to the cytoplasm for translation.
m-RNA is the messenger RNA. It is the RNA that actually encodes the genetic information from the DNA and transfers it to the protein. m-RNA when newly synthesized is called the hn-RNA and is formed into complete m-RNA only after undergoing certain processing.
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For the gaseous exchange to work efficiently, there must be a difference in concentration between the gases in blood and in alveolus. Give two ways in which these differences are maintained.
The differences between the concentration gradients of gases in blood and in alveolus is maintained by two processes called inhalation and exhalation.
The process of inhaling oxygen rich air is called inhalation and the process of expelling out carbon dioxide rich air out from the body is called exhalation. Inspired air is rich in oxygen which is stored in the lungs or alveoli temporarily and the carbon dioxide from the blood is expelled out through the lungs through a process called gaseous exchange.
During respiration, diffusion accounts for the majority of gas exchange. A concentration gradient drives movement through the mechanism of diffusion. In the lungs, blood that has a high carbon dioxide content and a low oxygen content exchanges gases with the air. Compared to the blood, which is depleted of oxygen, the air in the lungs contains more oxygen and less carbon dioxide. During respiration, gas exchange is made possible by this concentration gradient.
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Osmosis review
1.
2.
3.
4.
5.
6.
7.
8.
9.
Answer:
1. sugar
2. into
3. turgid
Hypotonic solution
4. same
Isotonic solution
5. high
6. out
7. cytoplasm
8. flaccid
9. plasmolyzed
Hypertonic solution
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A young woman suffering from prosopagnosia, an inability to identify faces, a disorder of object recognition associated with damage to the _____________ lobe of the brain.
A young woman suffering from prosopagnosia, an inability to identify faces, and a neurological disorder of object recognition associated with damage to the occipital lobe of the brain.
Prosopagnosia is an inability to identify faces.
This neurological disorder is also known as facial agnosia or facial blindness where a person fails to spot facial expressions.
People suffering from prosopagnosia can not judge a person's age, expression, or gender and even their own face while standing in front of a mirror.
Prosopagnosia can also manifest in other ways as well such as difficulty while recognizing objects including cars, houses, and trees.
This disease is associated with the occipital lobe of the brain which is associated with memory or facial perception.
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PHOSPHOLIPID
Another type of lipid in the cell membrane is______ that makes the membrane more fluid. Embedded in the phospholipid bilayer are_____that also aid in diffusion and in cell recognition. Proteins called_____proteins go all the way through the bilayer, while______proteins are only on one side. Integral proteins are also called______proteins.
Large molecules like ________ or carbohydrates use proteins to help
move across cell membranes.
Some of the membrane proteins have
carbohydrate________ attached to help cells in recognize each other and certain molecules.
List 4 functions of the cell or plasma membrane:
a.
b.
C.
d.
Answer:
Another type of lipid in the cell membrane is cholesterol that makes the membrane more fluid.
Embedded in the phospholipid bilayer are proteins that also aid in diffusion and in cell recognition.
Proteins called transport proteins go all the way through the bilayer, while integral proteins are only on one side.
Integral proteins are also called transmembrane proteins.
Large molecules like lipids or carbohydrates use proteins to help move across cell membranes.
Some of the membrane proteins have carbohydrate glycoproteins attached to help cells in recognize each other and certain molecules.
List 4 functions of the cell or plasma membrane:
1.) identification
2.) communication
3.) regulation of solute exchange through the membrane
4.) isolation of the cytoplasm from the external environment
An enzyme that follows simple michaelis–menten kinetics has an initial reaction velocity of 10 μmol⋅min−1 when the substrate concentration is five times greater than the km. What is the vmax of this enzyme?.
The Vmax of the enzyme is 12 μmol⋅min−1
We use Michaelis-menten equation, which is given by;
[tex]V=\frac{Vmax(S)}{Km+(S)} \\[/tex]
Where v is velocity of reaction
Vmax = maximum rate achieved by the system
[S] = concentration of a substrate
K[tex]_{m}[/tex]= Michaelis constant
Given V[tex]_{0}[/tex] = 10[tex]umolmin^{-1}[/tex]
[S] = 5km
Now, we calculate Vmax:
10[tex]umolmin^{-1}[/tex] = [tex]\frac{Vmax*(5Km)}{Km+5Km}[/tex]
Km = 1
[tex]10=\frac{5KmVmax}{6Km}[/tex]
[tex]\frac{10*6}{5} =Vmax[/tex]
[tex]Vmax[/tex] =12 μmol⋅min−1
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When you build a protein to perform a specific function in your body, you build that biomolecule using a _______ reaction.
Answer:Chemical.
Explanation:When u (you) consume anything building your body you cant reverse it. That makes it chemical.
Sam is investigating the factors that affect photosynthesis. She keeps some plants in the dark for 24–48 hours. They receive no light. What does this remove from the plants?
Keeping the plants in the dark for 24-48 hours removes the source of light from the plants.
Light is one of the essential factors required for the process of photosynthesis in plants.
During photosynthesis, plants use light energy to convert carbon dioxide and water into glucose and oxygen. This process takes place in specialized cell structures called chloroplasts, which contain the pigment chlorophyll that captures light energy.By depriving the plants of light for an extended period, the plants are unable to carry out photosynthesis. As a result, they are unable to generate the energy-rich molecules necessary for their growth, development, and survival.Without the presence of light, plants cannot perform the chemical reactions involved in photosynthesis and cannot produce the required carbohydrates and other organic compounds.Thus, the plant's source of light is removed by keeping them in the dark for 24 to 48 hours.
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A plant cell with a ΨS of -7.5 bars keeps a constant volume when immersed in an open-beaker solution that has a ΨS of -4 bars. What is the cell’s ΨP?
A plant cell with a ΨS of -7.5 bars keeps a constant volume when immersed in an open-beaker solution that has a ΨS of -4 bars. The cell’s ΨP is mathematically given as
ΨP = 3.5 bars
This is further explained below.
What is Hydraulics Pressure?Generally, Hydraulics is both a technology and applied science that makes use of engineering, chemistry, and other scientific disciplines to study the mechanical characteristics of liquids and their applications.
At its most fundamental level, hydraulics may be thought of as the pneumatics (gases) equivalent to the study of liquids.
In conclusion, A plant cell with a ΨS of -7.5 bars keeps a constant volume when immersed in an open-beaker solution that has a ΨS of -4 bars.
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ATP to your cells is a
Answer:
Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level
A _____________ factor is any living part of an environment.
Answer:
A biotic factor is any living part of an environment
Answer: A Biotic factor is any living part of an environment.
Scientists have classified how many different living things
Answer:
2 living things
Explanation:
According to Scientists, living things are classified into two; Plants and animals.
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Alexei Romanov suffered from hemophilia, a condition that
(a). prevents the body from absorbing vitamin B12 due to the body’s inability to form fibrin proteins.
(b). prevents blood from clotting normally due to the body’s inability to form fibrin proteins.
(c). causes the body to produce too many blood cells due to the body’s inability to form fibrin proteins.
(d). causes the body to produce abnormally shaped red blood cells due to the body’s inability to form fibrin proteins.
Answer:
B. Prevents blood from clotting normally due to the body’s inability to form fibrin proteins. This can cause even the slightest injury, to bleed severely.
Explanation:
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Question 6 of 10 Why is scientific argumentation important? A. It discredits claims that do not have the support of the public. B. It helps determine which scientists are good at accepting criticism. C. It helps determine whether there is enough evidence to support a claim. D. It is used to prove without a doubt that a scientific claim is true.
Answer: Scientific argumentation is very important because it allows to do scientific explanations about nature and to use them to solve problems and other explanations. It allows construct and support the research and new Knowledge, It gives validity to the investigation and gives solidity to create new hypotheses and theories. In addition, a good argument creates difficulty in revatting research. . For scientists, the goal is to convince their peers, using argumentation. The argument serves to communicate science in different contexts
Explanation:
If the gametes produced by a given organism contain 6 chromosomes, how many chromosomes are found in that organism's body cells?
3
6
12
10
Answer:
12
Explanation:
I think its 12 because gametes are haploid which means they have a single set of chromosomes and body cells are diploid, which means they have double.
During fertilization the two haploid gametes join creating a diploid zygote which multiplies by mitosis into more diploid cells
what is the polypeptide component of lipoprotein called? what is the polypeptide component of lipoprotein called? prolipoprotein apolipoprotein prelipoprotein exolipoprotein
polypeptide component of lipoprotein is called Apolipoprotein
Apolipoprotein Apolipoprotein (Apo), a protein found in plasma lipoprotein, has the ability to bind and transport blood lipids to various human organs for utilisation and metabolism. The liver and small intestine both contribute to its primary site of synthesis. A collection of plasma proteins known as apolipoprotein is linked to a number of illnesses, including hyperlipidemia, atherosclerosis, Alzheimer's disease, and diabetes. Accurate identification and classification of apolipoproteins are important in order to study the function of apolipoproteins and create efficient targets for diseases associated with them. Biochemical investigations can accurately identify apolipoproteins, but they are expensive and time-consuming.To learn more about Apolipoprotein refer;
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