Answer:
The answer is B.
Explanation:
The peak of the graph shows the highest rate of reaction under the given conditions. The higher the rate of reaction, the better the enzyme is working, so the peak is at 35 degrees on the first graph, indicating this is the optimal temperature, and the peak is around 8 on the second graph, indicating this is the optimal pH.
An understanding of biology can help you to make informed choices about the ____________________________________________.
a. food you eat
b. food you eat and fluids your drink
c. medications and supplements you ingest
d. All of the above are correct
PLEASE DONT GET ME WRONG
Answer:
d
Explanation:
Where does the mutation that causes this disorder occur?
A
The mutation occurs on the DNA.
B
The mutation occurs on the RNA.
С
The mutation occurs on the ribosomes.
D
The mutation occurs on the amino acid.
Answer:
I believe its A
Explanation:
In protobionts, a boundary such as a ______ separates internal polymers from the environment.
In protobionts, a boundary such as a lipid bilayer separates internal polymers from the environment.
A lipid bilayer is a thin membrane made up of phospholipids that form a barrier between the internal components of a protobiont and its surroundings. The phospholipids are composed of a hydrophilic (water-loving) head and hydrophobic (water-fearing) tails. These molecules self-assemble into a bilayer structure due to the hydrophobic effect, with the hydrophilic heads facing the surrounding aqueous environment and the hydrophobic tails facing inward, creating a stable barrier.
The lipid bilayer is impermeable to water-soluble molecules, preventing their free diffusion into or out of the protobiont. This property helps to maintain the internal environment of the protobiont by protecting its internal polymers from the external environment and allowing for the selective transport of necessary molecules across the boundary. Additionally, the lipid bilayer provides a stable environment for chemical reactions to occur within the protobiont, further contributing to the organization and potential functions of these early, prebiotic structures.
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PLS HELP ILL MARK BRAILIEST an explanation of the STRUCTURE of
enzymes. YOU MUST USE THE WORDS ENZYME,
SUBSTRATE, ACTIVE SITE, LOCK AND KEY" and
ENZYME SUBSTRATE COMPLEX.
catalyzed particular chemical reactions – in this case, reactions that broke down the film of eye goo that accumulated on my contacts after a week of use. (Presumably, the reason it stung when I got it in my eyes was that the enzymes would also happily break down eye goo in an intact eye.) In this article, we’ll look in greater depth at what an enzyme is and how it catalyzes a particular chemical reaction.
Enzymes and activation energy
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
Enzymes perform the critical task of lowering a reaction's activation energy—that is, the amount of energy that must be put in for the reaction to begin. Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily.
Which is a function of the cytoskeleton
Answer:
cytoskeleton is a structure that helps cells maintain their shape and internal organization, and it also provides mechanical support that enables cells to carry out essential functions like division and movement
23. What proteins and ribonucleoprotein complexes are involved in the translation of a protein that is destined to be an integral membrane protein in the plasma membrane, and how is the protein being translated identified as being a plasma membrane protein?
Proteins and ribonucleoprotein complexes involved in the translation of integral membrane proteins in the plasma membrane include the signal recognition particle (SRP), the SRP receptor, the translocon, and the signal peptide.
The translation of integral membrane proteins begins on cytosolic ribosomes, where the nascent polypeptide chain contains a specific sequence called the signal peptide. As the ribosome synthesizes the protein, the signal peptide emerges and interacts with the signal recognition particle (SRP). The SRP then targets the ribosome-nascent chain complex to the SRP receptor on the endoplasmic reticulum (ER) membrane.
At the ER membrane, the ribosome associates with the translocon, a protein-conducting channel. The translocon facilitates the insertion of the growing polypeptide chain into the ER lumen or ER membrane. This process is guided by the hydrophobic regions within the protein that form the transmembrane domains.
To identify the protein as a plasma membrane protein, specific sorting signals within the protein's cytoplasmic region or transmembrane domains come into play. These sorting signals, such as specific amino acid sequences or protein motifs, can be recognized by protein-sorting machinery within the cell, which directs the protein to its appropriate destination in the plasma membrane. Additionally, post-translational modifications like glycosylation or palmitoylation can also contribute to the identification and proper targeting of the protein to the plasma membrane.
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Certain substances, like caffeine and citrus juices, are classified as diuretics. This means that they cause diuresis in the kidneys. What effect will diuretics have on the urinary system
Diuretics increase the volume of urine excreted.
What are diuretics and diuresis?Diuretics:Diuretics, often known as water pills, aid in the removal of salt (sodium) and water from the body. The majority of these drugs encourage your kidneys to excrete more sodium in your urine. By assisting in the removal of water from your circulation, salt aids to reduce the volume of fluid moving through your veins and arteries. Blood pressure falls as a result.
Diuresis:When the kidneys filter too much body fluid, it is called diuresis. As a result, you produce more urine and need to use the restroom more frequently.
The normal adult will urinate four to six times each day, producing between three cups and three quarts of urine on average. Even though their fluid consumption may not have altered, people with diuresis urinate more frequently than that.
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Which of the following describes fossils?
true/false. Of the following injuries, which meets the definition of "serious bodily injury" as defined in the Texas Penal Code?
Based on the definition of "serious bodily injury" in the Texas Penal Code, none of the injuries listed (sprained ankle, dislocated toe, bloody nose, and painful shoulder) would necessarily meet the criteria for "serious bodily injury." Here option E is the correct answer.
Under the Texas Penal Code, "serious bodily injury" is defined as an injury that creates a substantial risk of death or that causes serious permanent disfigurement or protracted loss or impairment of the function of any bodily member or organ. Based on this definition, it is difficult to determine definitively which of the injuries listed would meet the criteria for "serious bodily injury."
A sprained ankle, dislocated toe, and bloody nose are all injuries that, while painful and potentially debilitating, do not necessarily create a substantial risk of death or cause serious permanent disfigurement or protracted loss or impairment of the function of a bodily member or organ.
However, a painful shoulder could potentially meet the criteria for "serious bodily injury," depending on the severity and extent of the injury. If the shoulder injury caused significant and prolonged loss or impairment of the function of the shoulder joint, it could be considered a serious bodily injury under the Texas Penal Code.
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Complete question:
Of the following injuries, which meets the definition of "serious bodily injury" as defined in the Texas Penal Code?
A - sprained ankle
B - dislocated toe
C - bloody nose
D - painful shoulder
E - none of these
What might you conclude about the membrane structure of the final vesicle formed during
exocytosis and the cell membrane?
I only have 10 minutes pls. In newborn babies, only the first two lines of defence are ready to fight pathogens. Explain why the third line of defence develops slowly over time.
When a newborn is born, their immune system is still developing. When the infant gets older, it gets stronger. During our lives, the immune system fights pathogens that might cause disease.
The third task fights germs in what ways?Your immune system's three layer is made up of cells that are specifically designed to eradicate the bacteria that have infected your tissue. The link among innate and adaptive immune system is a special type of cell known as a dendritic cell.
What is the infection's first, second, and third lines of protection?Several coping strategies make the immune system function properly. Infection-prevention measures comprise the primary defence system. Responses to disease that are common to all pathogens make up the protective factor. Immunization against those infections is provided only through the third layer of protection.
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In cancer cells, mutations in the DNA cause the cells to reproduce uncontrollably, forming a tumor. Cancer directly affects which cellular process?
Binary Fission
Fertilization
Mitosis
Meiosis
In cancer cells, mutations in the DNA cause the cells to reproduce uncontrollably, forming a tumor. Cancer directly affects the cellular processes by mitosis. The correct option is c.
What is mitosis?Mitosis is a process of cell division. The process occurs in all eukaryotic cells. The process occurs in four stages. The process divides the cell. The parent cell produces an identical daughter cell.
Mitosis is an endless process. Cancer cells can use telomerase to add several telomeric sections to the ends of DNA during DNA replication, allowing the cells to live far longer than other somatic cells. As a result, cancer cells never die. Through this technique, cancer cells that would normally die only keep dividing.
Therefore, the correct option is c. Mitosis.
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which of these best represents the component(s) of the plasma membrane of eukaryal cells
The plasma membrane is one of the primary features that set apart prokaryotic and eukaryotic cells. Eukaryotic cells are known for their membrane-bound organelles, which are absent in prokaryotes. The plasma membrane in eukaryotes is a delicate structure that is an integral component of the cell.
It separates the interior of the cell from the exterior, and regulates the exchange of molecules in and out of the cell. The components of the plasma membrane of eukaryotic cells are proteins, lipids, and carbohydrates, and their roles in maintaining the structure and function of the cell membrane will be discussed further below.
Eukaryotic cells have evolved a complex and dynamic plasma membrane to fulfill a variety of functions essential to cell life. The different components of the plasma membrane work together to maintain the integrity of the cell and ensure that it functions properly.
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which is the following is an example of compartmentation at the intracellular level?
a and b are correct option. Sarcoplasmic reticulum (SR), an organelle found in skeletal muscle cells, houses sizable calcium ion reservoirs. As the muscle relaxes, the calcium is pumped back.
The kidney eliminates sodium from the body after consuming a salty meal. For the body to survive and work properly, all of its systems must be in a state of balance. The science of physiology examines how the human body functions. From how molecules behave in cells to how systems of organs cooperate, it describes the chemistry and physics underlying fundamental bodily functions.
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which is the following is an example of compartmentation at the intracellular level? Groups of answer choices
a. Skeletal muscle cells have organelles called sarcoplasmic reticulum.
b. sarcoplasmic reticulum contains large stores of calcium ions.
c. Eating a salty meal causes the kidney to excrete sodium from the body.
d. The muscle and fat cells to take in glucose.
I REALLY NEED HELP ASAP. PLEASE BE SERIOUS AND SO NOT JUST TAKE THE POINTS. I WORKED HARD FOR THEM AND FOR ONCE I HAVE A QUESTION. PLEASR ANSWER!
Answer:
1-pacific plate
2-south America plate
3-nouth America plate
4-eurasian plate
8-juan de fuca plate
11- Caribbean plate
14-philipine plate
Explanation:
What would the correct appearance of the leaf palisade cell be after it has been placed
in a highly concentrated solution of sugar after an hour?
Answer: The correct answer is C!
Explanation:
Plant cells submerged in a concentrated sugar solution, which has a low water concentration relative to its contents, will osmotically lose water. They are believed to have been plasmolyzed when their cell membranes began to peeled away from their cell walls.
I believe this is best represented in answer C as you can see that the water is now lost. I hope this can help you.
E
Question 16/20
<<
> NEXT
A BOOKMARK
OUTIN
2
154
30°N
30°N
3
16
Equator
(0)
Equator (0)
4
30°S
30'S
od
60PS
60'S
6
Which zones in the map above are most likely to have a temperate climate (warm summers and cold winters)?
A 1 and 6
D 2 and 5
C 3 and 4
D 1, 2, and 3
Answer:J,YU,LUGIO;'[0BO';HILGUHJFZDFSSa
Explanation:
Question 29
The most effective measures for mosquito control are dependent upon the:
a. elimination of breeding places
b. trapping of adult insects
c. use of new types of insecticides to destroy adult insects
d. use of new repellents
"Elimination of breeding places" is the most effective measure for mosquito control.
Option (a) is correct.
Mosquitoes require standing water to lay their eggs and for the larvae to develop. By removing or treating sources of standing water, such as stagnant ponds, gutters, or containers that hold water, mosquito populations can be greatly reduced.
Trapping of adult insects and the use of insecticides and repellents can also be effective measures for mosquito control, but they are not as effective as eliminating breeding places. Traps and insecticides can kill adult mosquitoes, but they do not prevent new mosquitoes from hatching and breeding. Repellents can help keep mosquitoes away from people, but they do not eliminate mosquitoes from an area.
Therefore, the most effective and sustainable approach to mosquito control is to eliminate or treat standing water to prevent mosquito breeding.
Hence, the correct answer is option (a).
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The term receptor refers to a(n) ________.
A. sense organ
B. effector
C. integration center
D. response
Answer:
a sense organ
Explanation:
this is because sense organs are part of nervous system
*30 POINTS* Please answer ASAP, thank you in advance. I appreciate you and the time you put out to help me with the question below!
What amino acid sequence would be made from the DNA sequence:
CGTTATCGGACT
Explanation:
the answe would be CCGGTTACFGAGACT
Answer:
Amino acids are organic compounds that contain amino and carboxyl functional groups, along with a side chain specific to each amino acid. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen, although other elements are found in the side chains of certain amino acids.
Explanation:
Which of the statements correctly desribe both ATP hydrolysis and polymerization of nucleotides.
Answer:
There is a drop in potential energy when reactants are converted into products. = True
Energy in the form of heat is released. = True
The reaction occurs when weak bonds are broken and stronger bonds are formed. = False
ATP is always one of the reactants. = False
The amount of entropy decreases when products are formed. = True
Explanation:
The monomers of nucleic acids are nucleotides, and we could imagine these molecules moving around in a very disordered manner. When these nucleotides are linked together by Condensation reactions, they would be more ordered. Would you expect these reactions to be spontaneous?
You may recall that in spontaneous reactions, the reactants are converted into products that typically have lower potential energy and higher entropy, which is a measure of Disorder. But when nucleotides polymerize, you would expect there to be less entropy in the products. So how can this process be spontaneous?
To overcome the reduction in entropy, nucleotides must first be activated by increasing their potential energy. This activation occurs by the addition of more phosphates. Recall that each of the linked phosphates is negatively charged, and the repulsion between these negatives charges makes the bonds between phosphates weak. These weak bonds increase the potential energy of the nucleotide. In other words, the potential to form new stronger bonds is increased.
In a condensation reaction between two activated nucleotides, two of the phosphates are removed as a much stronger bond formed between the remaining phosphate and hydroxyl on the 3 prime carbon of the other nucleotide. When this new bond is formed, the difference in bond strength results in a release of energy in the form of heat. Because of this large difference in bond strength, condensation reactions with activated nucleotides are spontaneous. What about Entropy?
As it turns out, the increase in molecular motion as heat is released from this reaction causes the level of Entropy to increase. This is similar to what occurs when ATP (Adenosine triphosphate), an activated nucleotide, reacts with water in the hydrolysis reaction. In this reaction, ATP is split into AMP and inorganic pyrophosphate. If we zoom in on the pyrophosphate, we can see that both products have formed new stronger wit atoms from water.
As a result, there would be a decrease in potential energy as the reactants are converted to products. This difference in energy, around 10.9 kilocalories, per mole of ATP is released as heat. A similar amount of heat energy is released in condensation reactions that link nucleotides together during polymerization.
While on a field trip, your teacher asks you to record the names of any species you see and to tally the number of individuals of each species you see. What has the teacher asked you to investigate? a. ecosystem diversity c. habitat diversity e. species diversity b. genetic diversity d. structural diversity
Answer:
Hi how are you doing today Jasmine
The teacher has asked you to investigate the species diversity. Thus, the correct option is E.
What is Species?Species may be defined as a cluster of organisms that can reproduce with one another in nature and produce fertile offspring.
Species diversity is the sum total of all species present in an ecosystem. It may also be described as the number and relative abundance of species present in a given biological organization.
Therefore, the teacher has asked you to investigate the species diversity. Thus, the correct option is E.
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What human activity has been important in the Cross Timbers and prairies for many years?
The properties of matter depend on the types of atoms a substance is made ofTrue or false
This statement is true. Properties of a material are a direct consequence of the atoms that constitute it and their interactions.
Cerebrospinal fluid (CSF) is formed by capillary knots called the ________________________, which hangs inside the ________________________ of the brain. Ordinarily, CSF flows from the lateral ventricles into the ____________ ventricle and then through the _______________ into the fourth ventricle. Some of the fluid continues down the ________________________ of the spinal cord, but most of it circulates into the ________________________ by passing through three tiny openings in the walls of the ________________________. As a rule, CSF is formed and drained back into the venous blood at the same rate. If its drainage is blocked, a condition called ________________________ occurs, which results in increased pressure on the brain.
Answer:
1. Choroid Plexuses
2. Ventricles
3. third
4. Cerebral Aqueduct
5. Central Canal
6. Subarachnoid space
7. Forth Ventricle
8. Hydrocephalus
Explanation:
Cerebrospinal fluid formed by capillary knots called Choroid Plexuses which is hanged inside ventricles. There are four ventricles in which CFS flows from lateral to third and from cerebral aqueduct to forth ventricle. The meninges covers spinal cord which extends more inferiority to form a sac from which cerebrospinal fluid can be withdrawn without damage to spinal chord.
What health and environment factors negatively impact the flow of blood through the body?
Answer:
Certain types of Air pollution, Diseases
Explanation:
Environmental factors
Carbon monoxide is produced when fuels such as gas, oil, coal and wood do not burn fully. The increase of factories and manufacturing stations globally increases the chances of one inhaling carbon monoxide. When inhaled the carbon monoxide binds the haemoglobin in the blood increasing the chances of heart failure and brain damage.
Health factors
Health conditions such as Obesity, Diabetes can contribute to poor blood flow in the body. If someone were to suffer from obesity they would consequently have fatty deposits in the lining arteries. These deposits shrink the space that blood can pass through arteries. This means the heart has to pump blood harder to achieve the same task as someone able bodied. This dangerous because the heart would be at more risk of failing under the strain of the excess mass.
Which of the following is an example of a vestigial structure?
A:Brain in a human
B:gills on a fish
C:Whale leg bones
D:tail on a monkey
some axon terminals contain more than one type of neurotransmitter. given this co-localization of neurotransmitters, how is differential release of neurotransmitters accomplished? what is the chemical benefit of this co-localization?
Some axon terminals contain more than one type of neurotransmitter, which is known as co-localization of neurotransmitters. The differential release of neurotransmitters is accomplished through several mechanisms.
One mechanism is the segregation of neurotransmitters into different vesicles within the axon terminal. Each type of neurotransmitter is stored in separate vesicles and released independently, allowing for the selective release of specific neurotransmitters.
Another mechanism is the regulation of neurotransmitter release by different signaling pathways. Each type of neurotransmitter can be regulated by distinct signaling cascades, which can be activated or inhibited in response to specific stimuli. This allows for the differential release of neurotransmitters depending on the specific conditions or signals received by the neuron.
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Write an original test question on convergent boundaries. (Best question gets brainliest)
Answer:
Carlos is looking at a picture of a convergent boundary on which a volcanic arc and a trench are identified. Which type of convergent boundary is Carlos looking at?
a. an oceanic-continental convergent boundary
b. an oceanic-arctic convergent boundary
c. an continental-continental convergent boundary
d. an oceanic-oceanic convergent boundary
Explanation:
the answer is b
Your skin is a major structure and serves an important function for which two systems?
Group of answer choices
A respiratory and integumentary
B circulatory and respiratory
C immune and integumentary
D integumentary and circulatory
Answer:
C
Explanation:
The skin is part of the immune system that serves as an outside protection for the body as well as being part of the integumentary system which consists of your skin, nails, hair, etc.