Answer:
5ml
Explanation:
Enzymes are protein molecules that act as biological catalyst in living systems, as they help speeden up the rate of biochemical reactions. However, one unique characteristics possessed by enzymes unlike substrates is that they do not get used in the reaction. Instead, they are released from the substrate-enzyme binding after the reaction and can be recycled.
Hence, in a case whereby 5ml of amylase, an enzyme that breaks down carbohydrates, is added to a vial containing 10 ml of water and 10 ml of sucrose. The amount of amylase expected to be in the vial at the end of the reaction is 5ml because it will not get used up during the reaction. Hence, the volume of enzyme remains constant after reaction.
Which of the following actions would help ensure safety in a biology laboratory? keeping personal belongings on top of the lab table trying a piece of equipment until you get it to work discussing the football game while you do the lab being serious and attentive throughout the lab activity
Answer:
being serious and attentive throughout the lab activity
Explanation:
I don't thinj it needs an explanation. You just have to think logically.
Answer:
D
Explanation:
Which of the following statements best describes the relationship between genes and their outcomes? F. Every gene influences a single trait. G. Similar genes produce the same outcome in every individual. H. Every gene can be linked to one specific, predictable outcome. I. The outcome of a gene is affected by the environment of the cells and the timing of gene expression.
Option I. The outcome of a gene is affected by the environment and timing of gene expression, not every gene influences a single trait.
The explanation that best portrays the connection among qualities and their results is I: the result of a quality is impacted by the climate of the cells and the planning of quality articulation. While qualities really do assume a part in deciding a singular's characteristics, it's anything but a basic balanced relationship. The declaration of qualities can be impacted by different elements, remembering the climate for which the phones are found, the planning of quality articulation during improvement, and communications with different qualities. Besides, a similar quality can have various results in various people, contingent upon hereditary and natural elements. In this manner, while qualities really do add to a singular's characteristics, their results are not very much unsurprising and can be impacted by various elements.
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a biologist working in a lab adds a compound to a solution that contains an enzyme and substrate. this particular compound binds reversibly to the enzyme at the active site. once the compound is bound to the enzyme, the rate of catalysis of substrate to product is greatly reduced. which of the statements are true of the compound? select all that apply group of answer choices the compound competes with the substrate for the active site of the enzyme. the compound is an allosteric activator. the effect of the compound can be overcome by adding more substrate. the compound is an enzyme cofactor. the compound is an allosteric inhibitor.
the substrate's affinity for the enzyme decreases, and the rate of catalysis decreases. The compound is not an allosteric activator or an enzyme cofactor.
Given information: A biologist working in a lab adds a compound to a solution that contains an enzyme and substrate. This particular compound binds reversibly to the enzyme at the active site. Once the compound is bound to the enzyme, the rate of catalysis of substrate to product is greatly reduced. The compound competes with the substrate for the active site of the enzyme and the compound is an allosteric inhibitor.
Therefore, the correct options are: The compound competes with the substrate for the active site of the enzyme. The compound is an allosteric inhibitor. An allosteric inhibitor is a substance that binds to an enzyme at a location outside the active site (allosteric site) to inhibit its activity.
It changes the enzyme's shape and therefore its function. If the compound binds to the active site, it prevents the substrate from binding to the active site, causing a decrease in the rate of catalysis. Therefore, the compound is a competitive inhibitor. Competitive inhibitors compete with the substrate for the active site of an enzyme.
As a result, the substrate's affinity for the enzyme decreases, and the rate of catalysis decreases. The effect of competitive inhibition can be overcome by adding more substrate. The compound is not an allosteric activator or an enzyme cofactor.
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Explain how the formation of a submergent coastline differs from the formation of an emergent
coastline.
Answer:
One occurs when sea level rises whereas the other happens when the sea level drops.
Explanation:
The main difference between Submergent coastlines and emergent coastlines because Submergent coastlines formed when sea level rises or in other words, the land sinks down. Examples of submergent coastlines are estuaries, barrier bars, and barrier island systems while on the other hand, emergent coastlines occurs when sea level drops or the land rises. Hudson Bay and Eastern Coastal Plains are the examples of emergent coastlines.
what kind of bond is created by a weak electrical attraction between polar molecules?
Answer:
Dipole-Dipole
Explanation:
The type of bond created by a weak electrical attraction between polar molecules is called a dipole-dipole interaction. Dipole-dipole interactions occur between polar molecules, where one molecule has a partial positive charge (δ+) and another molecule has a partial negative charge (δ-). These partial charges result from an uneven distribution of electrons within the molecule, leading to a temporary dipole moment. The positive end of one polar molecule is attracted to the negative end of another, creating a relatively weak bond known as a dipole-dipole interaction.
If you had to select a bryophyte specimen from a collection of specimens, what feature would allow you to quickly identify one
Answer: Bryophytes are attached to the substratum by rhizoids.Their body is thallus like prostrate or erect
Explanation:
If you had to select a bryophyte specimen from a collection of specimens, the feature that would allow you to quickly identify one is required water to reproduce sexually. The correct option is D.
What are bryophytes?The collective term for mosses, liverworts, and hornworts is bryophytes. Being non-vascular plants, they take water and nutrients from the air through their surface rather than having roots or vascular tissue.
Although bryophytes lack true leaves, many of them mimic them. These plants are either "thallose" or "leafy," where "thallose" refers to a thick, cactus-like plant and "leafy" refers to a plant with thin, leaflike growths surrounding it.
Therefore, the correct option is D, which required water to reproduce sexually.
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Lack true vascular tissue.
Contain rhizoids (rootlike structures)
Have an alternation of generation cycle (gametophyte and sporophyte)
required water to reproduce sexually.
which are common cell shapes?multiple select question.column-likecube-likeconicalsphericalhelicalspiral
Cells are the basic structural and functional units of living organisms. They are classified into many types, each having its distinct shape and function. The following are the common cell shapes:1. Spherical Cells: Spherical cells are round cells.
Examples of spherical cells include red blood cells and fat cells.2. Columnar Cells: Columnar cells are long and thin cells. Examples of columnar cells are cells in the lining of the small intestine.3. Conical Cells: Conical cells are cone-shaped cells. Examples of conical cells are sperm cells.4. Cuboidal Cells: Cuboidal cells are cube-shaped cells. Examples of cuboidal cells are the cells of the liver.5. Spiral Cells: Spiral cells are shaped like a spiral. Examples of spiral cells are some bacteria.6.
Helical Cells: Helical cells are long and curved cells. Examples of helical cells are the cells of the inner ear. The correct answer is: Spherical, columnar, conical, cuboidal, spiral, and helical.
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The shells of single-celled plankton that sank to the bottom of the ocean has two varieties of which type of atoms?
A. Phosphorous isotopes
B. Carbon isotopes
C. Sodium isotopes
D. Oxygen isotopes
Answer: Oxygen Isotopes!
Explanation: I just took the quiz and I got it correct!
A typical action potential in a neuron is caused by which one of the following processes?
A. a surge in the activity of the Na+/K+ pump
B. a large increase in the intracellular concentration of K+ ions
C. a large increase in the intracellular concentration of Na+ ions
D. a brief increase in Na+ permeability followed by a brief increase in K+ permeability
E. a simultaneous increase in the permeability of the membrane to both Na+ and K+ ions
A typical action potential in a neuron is caused by a brief increase in Na+ permeability followed by a brief increase in K+ permeability .The correct answer is D.
A typical action potential in a neuron is caused by a brief increase in Na+ permeability, which causes depolarization of the membrane potential, followed by a brief increase in K+ permeability, which causes repolarization of the membrane potential. This process is also known as the "depolarization-repolarization cycle" and is crucial for the transmission of nerve impulses in the nervous system.
The surge in the activity of the Na+/K+ pump (option A) is important for maintaining the resting membrane potential, but it is not directly involved in the generation of an action potential. Option B and C are incorrect because they suggest an increase in the intracellular concentration of K+ or Na+ ions, which is not the cause of an action potential. Option E is also incorrect because it suggests a simultaneous increase in the permeability of the membrane to both Na+ and K+ ions, which does not accurately describe the sequence of events during an action potential.
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In the ________ temperature scale, water freezes at 0° and boils at 100°.
Celsius
Kelvin
Fahrenheit
Answer:
Celsius is the correct answerComplete the following sentence.
The movement that encourages people to eat food that both tastes good and is safe for humans and the environment is called the ___ food movement.
Answer:
The SLOW food movement.
SOMEONE HELP ASAP !!
SELECT ALL OF THE FOLLOWING THAT ARE TRUE
The graph below shows the number of birds with a given beak depth in a certain location. Data was collected before the
white columns) and after (the black columns) a drought. For example, before the drought, about 30 birds with a beak
depth of 8.3 mm were counted. Which of the three statements below are best supported by the data in the graph?
A. Longer beaks are more advantageous in drought conditions
B. No birds with beaks exceeding 11 mm have been counted
C. Beaks shorter than 10 mm are never advantageous
D. A drought can cause some beak depths to disappear
E. The drought caused the bird population to decrease
F. Only birds with beak depths greater than 9.3 mm will survive a drought
Answer: E
Explanation:
There was no set pattern in the graph involving beak depth, only that the population decreased immensely.
Fleas and mosquitoes sometimes transmit disease pathogens such as bacteria and viruses from one individual to another. Such agents (fleas and mosquitoes) are called
Answer:
Insects
Explanation:
Hope this helps you alot
Match the sequences with the mutations that occurred in them.
deletion
translocation
inversion
duplication
arrowRight
arrowRight
arrowRight
arrowRight
Reset Next
Answer:
You can review any topic using the progress bar
1. Answer the questions below to help you write your case summary.
2. Use the scroll bar on the right to move down the page.
Backgroui
Explanation:
Question
Match the sequences with the mutations that occurred in them.
Answer:
I believe this is the right answer
Define Metabolism.. !
Answer:
Metabolisms are the chemical processes that occur within a living organism in order to maintain life
Explanation:
Glucose reaches each and every cell through the circulation of ____ .
Answer:Blood
Explanation:
Glucose reaches each and every cell through the circulation of blood, which is present in Option A as the primary function of the circulatory system, which includes the heart, blood vessels, and blood, is to transport essential nutrients.
What is blood?After food is digested and absorbed into the bloodstream, glucose is transported to cells throughout the body by the circulatory system, which consists of the blood, heart, capillaries, etc., where the heart pumps blood throughout the body via arteries, which branch into smaller vessels called arterioles and then into even smaller capillaries. The circulatory system also plays an important role in removing waste products, including carbon dioxide, from the body's tissues, so glucose has been used by cells for energy, the waste product, carbon dioxide, is transported back to the lungs, where it is exhaled.
Hence, glucose reaches each and every cell through the circulation of blood, which is present in Option A.
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The question is incomplete, complete question is below
Glucose reaches each and every cell through the circulation of ____ .
A)Blood
B)stomach
Energy for the cell’s use is stored when
ADP and P form ATP
Acetic acid is formed
Glucose is broken into pyruvic acid
CO2 is released from the reaction
AnswerA. ADP and P form ATP
Explanation:
Hope this is correct!
Answer:
ADP and P form ATP
Explanation:
The high energy is released in steps and picked up by ADP and P to form the high energy phosphate (ATP). For each two hydrogens passed down the chain, three ATPs are produced. At this stage, 36 ATPs are produced from the original glucose that started out in glycolysis. After the hydrogens have given up all of the excess energy they are combined with oxygen to form water. mark me brainy plz! (^_^)
The ventral horn of the spinal cord contains cells bodies of:
Answer:
the lower motor neurons which have axons leaving via the ventral spinal roots on their way to innervate muscle fibers
Scenario: Models are often used to observe phenomena that are too small to observe naturally. Chris created the model provided as a project for his science class. He said it’s a model of H3BO3. His group partner, Cindy, however, said that she thinks the model looks like H3PO3.
Prompt: Write a scientific explanation that justifies which compound this model best represents.
HELPPPPPPP!!!!
The ash color is the atom of boron, the black atoms are the oxygen atoms and the white atoms are the hydrogen atoms.
What is a model?We know that a model has to do with the representation of a substance. When we have a model, we could use the model as a way to explain or we use the model as a tool for prediction.
We have in this case the compound that has been shown by the use of the formula that we have in the question that is able as \(H_{3} PO_{3}\). We know that we can be able to show this from the image of the model as the various colors does correspond to different atoms.
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Which structure does the immune system target in type 1 diabetes?
a. beta cells of the pancreas
b. liver cells that release glucose
c. insulin receptors on fat cells
d. red blood cells in the bloodstream
Answer:
The thymus plays an important role in deletion of potentially autoreactive T cells. However, the presence of islet-specific T cells in the circulation of type 1 diabetes patients and healthy subjects indicates that the thymus is not capable of efficiently deleting all autoreactive T cells (Mathis and Benoist 2009).
Explanation:
Answer:
A: beta cells of the pancreas
Explanation:
Type 1 diabetes makes the pancreas produce little to no insulin.
the anatomic area(s) not seen in a transverse plane:
The anatomic areas not seen in a transverse plane Are anterior and posterior.
The horizontal plane divides the body or part of it into upper and lower parts. The median plane is the sagittal plane through the midline of the body. Divide the body or part of it into right and left halves. The sagittal plane is the vertical line that divides the human body into left and right. The coronal plane is the vertical line that divides the human body into anterior and posterior parts.
The transverse plane, on the other hand, is the horizontal line that divides the human body into upper and lower parts. A transverse plane divides the body or part of it into upper and lower parts. Note that each of the three anatomical planes can be traversed and retains the names associated with those directions. Imagine standing at the shallow end of a pool with water about navel high.
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A depolarization is when the inside of a neuron becomes _______________ the resting membrane potential.
When the resting membrane potential becomes less negative (more positive), that is called depolarization.
What is depolarization?
Depolarization is also known as hypopolarization, also called rising phase. Depolarization is nothing but loss of polarization. More specifically, it is the loss of differences in charge inbetween the inside and outside of a muscle or nerve cells’ plasma membrane. This occurs due to changes in permeability and also migration of Na+ ions to the interior.
The gated sodium (Na+) ion channels present on the neuron's membrane open up suddenly and allow sodium ions (Na+) present outside the membrane in order to rush inside the cell. The internal charge of the nerve changes from -70 mV to -55 mV as the sodium (Na+) ions quickly enter the cell.
So therefore, depolarization is nothing but resting membrane potential becoming less negative (more positive)
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How does a volcanic eruption affect the Earth's atmosphere?
Answer:
The gases and dust particles thrown into the atmosphere during volcanic eruptions have influences on climate. Most of the particles spewed from volcanoes cool the planet by shading incoming solar radiation. The cooling effect can last for months to years depending on the characteristics of the eruption. Volcanoes have also caused global warming over millions of years during times in Earth’s history when extreme amounts of volcanism occurred, releasing greenhouse gases into the atmosphere.
(hope it helps.)
THE ANSWER IS A I DIDNT SEE THE TOP
The 16s rRNA gene encodes an RNA that would be used as a component of the _________ during ____________.
A) RNA polymerase, transription
B) a protein, DNA replication
C) the ribosome, translation
D) tRNA, DNA replication
Answer:
(C)
The 16s rRNA gene encodes an RNA that would be used as a component of the ribosome during mRNA translation.
Explanation:
Describe the process of how an Igneous Rock is created
Answer: Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. ... When lava comes out of a volcano and solidifies into extrusive igneous rock, also called volcanic, the rock cools very quickly.
Gregor Mendel studied the inheritance pattern of several characteristics in pea plants. He observed that tall (T) plants were dominant to short (t) plants. If a heterozygous tall plant is crossed with a short plant, what percentage of the offspring will be short?
Answer:
Below
Explanation:
I used a punnett square to figure this out!
If you were to cross a heterozygous tall plant (Tt) with a short plant (tt), the possible resulting genotypes of the offspring would be:
50% chance of the offspring being heterozygous dominant (Tt)
50% chance of the offspring being short (tt)
Hope this helps!
Once it enters the cytoplasm of a host cell and sheds its capsid, replication of HIV begins when _____ _____ is used to synthesize a double strand of DNA from the viral RNA.
Once it enters the cytoplasm of a host cell and sheds its capsid, replication of HIV begins when reverse transcriptase is used to synthesize a double strand of DNA from the viral RNA.
Once it enters the cytoplasm of a host cell and sheds its capsid, replication of HIV begins when reverse transcriptase is used to synthesize a double strand of DNA from the viral RNA.
What is HIV?HIV stands for Human Immunodeficiency Virus, a virus that attacks and weakens the immune system of humans. HIV replicates in the host cell cytoplasm after shedding its capsid, and it is called replication. When the reverse transcriptase enzyme is used to create a double-stranded DNA from the viral RNA, replication begins. HIV attacks the T-helper cells in the immune system, which are in charge of defending the body against foreign invaders. HIV gets into the bloodstream and travels to the CD4 T-helper cells after being contracted. The virus begins to reproduce after it has entered the host cell's cytoplasm. The viral RNA then acts as a template for reverse transcriptase, an enzyme that catalyzes the creation of a DNA copy of the RNA. The RNA template is destroyed and a second DNA strand is created by the same enzyme, reverse transcriptase. This second DNA strand is complementary to the first and forms a double-stranded DNA molecule.
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Why do you think that the digestive process takes so long?
Answer:
Your body breaks down your food into nutrients which is why it takes hours to fully digest food.The human body breaks down the
Food into Einto amino acids, starches into simple sugars, and fats into fatty acids and glycerol.
Biology Class work, help please, respiratory system
In both animals and plants, the respiratory system is a biological system made up of certain organs and structures that are employed for gas exchange. The correct answers are a) diaphragm is the main muscle used for breathing, b) Smoking damages the airways and the tiny air sacs (alveoli) in your lungs, which can lead to lung disease, and c) the Alveolus, one of the millions of hollow, distensible cup-shaped spaces in the lungs where pulmonary gas exchange occurs, also known as an air sac or air gap.
The network of organs and tissues that aids in breathing is known as the respiratory system. It consists of the blood vessels, lungs, and airways. The respiratory system also includes the muscles that propel your lungs. Together, these components help the body circulate oxygen and eliminate waste gases like carbon dioxide.
Therefore, the correct answer is a) diaphragm is the main muscle used for breathing, b) Smoking damages your airways and the tiny air sacs (alveoli) in your lungs, which can lead to lung disease, and c) Alveolus.
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An oak tree falls in a forest. It kills some ants and stops grass from growing
below it. What type of disturbance is this?
O A. Secondary
O B. Primary
O C. Cyclical
O D. Small
Answer:
This is O D. Small type of disturbance.
Explanation:
Small-scale biological disturbance.
Answer:
O D. small
Explanation:
In ecology a disturbance is an event that causes a change in the environment. There are small-scale disturbances and high-magnitude disturbances. Small-scale disturbances are typically driven by biological processes -for example the fall of a tree- while high magnitude disturbances are typically driven by physical processes -for example, storms-. Small-scale disturbances as single-tree blowdowns are very important to create and maintain diversity and heterogeneity in the forest.
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