Answer:
C
Hoped I helped
What happens to an enzyme after it has completed a reaction?
A. The enzyme is folded.
B. The enzyme is reused.
C. The enzyme is denatured.
D. The enzyme is destroyed.
Answer:
i think it is a
Explanation:
I am smart
When the enzyme is used in the reaction it is bound to the substrate and releases product and the enzyme is unchanged, hence option b is correct.
What is the enzymatic reaction?An enzyme can be employed for other reactions after it has catalyzed a reaction and been freed from its binding to a substrate.
There is no change at all in the enzyme that has now been liberated and is prepared to catalyze the transformation of another molecule of the substrate into a product.
As a catalyst, it is crucial to keep in mind that the enzyme is not permanently changed by the reaction instead when the reaction is over, the enzyme returns to the condition it was in before the reaction started.
Therefore after a reaction enzyme can reuse for another reaction, hence option b is correct.
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In the lock-and-key model of enzyme action, the enzyme active site is thought of as ________.
Answer:
Rigid and non flexible surface
Explanation:
Enzymes are catalyst that speeds up rate of chemical reactions, they bind to a substrate which are known as reactant substrate to speed up rate of chemical reaction and to unlock the key.
The enzyme is said to be rigid and non flexible fitting perfectly to the surface of the substrate where the reaction takes place. Fitting perfectly enable the enzyme to perform its action on the substrate unlocking the key and activating the action in the molecule.
Which term describes a series of steps designed to help you solve problems and
answer questions?
observation
scientific method
experiment
hypothesis
Answer:
scientific method
Explanation:
The primary aim of research and scientific experiments conducted by scientists is to solve problems and provide factual answers to them. In order to accomplish this, a procedure called scientific method is employed.
Scientific method refers to a step-by-step procedure used to test the validity of an hypothesis. Scientific method uses the following steps;
1) Make observation
2) Ask a question
3) form an hypotheses.
4) perform an experiment
5) Analyze the results
Hence, SCIENTIFIC METHOD describes a series of steps designed to answer questions.
Answer:
b
Explanation:
Consider the plant phenotypes: RR is red (dominant) and WW is white (dominant) What type of inheritance will be shown where the alleles from each
parent blend together in the expressed phenotype of the offspring? (1 point)
O codominance
O epistatis
O intermediate inheritance
O recessive inheritance
Answer:
codominance
Explanation:
A form of inheritance in which the two alleles representing a gene are equally dominant and contributes equally to the phenotype of individuals is referred to as codominance inheritance.
In codominance, the two alleles are equally dominant with the effects of one allele not being able to suppress the effects of the other. Both contribute equally to the protein that represents the gene in the offspring.
Please answer this scientific question quickly
Answer:
(C). if the source is being paid to endorse a product .
the process by which the surface of a microorganism is covered with antibodies and complement rendering it more likely to be
Answer:
Rendering more likely to be phagocysized is
OPSONIZATION.
Explanation:
Opsonization is a process in immune system where antibodies in body and opsonin , a components in the body have the ability to recognise antigens or invading particles and coat them on phagocytic cells.
Opsonization take place when immunoglobulin molecules bind to some epitopes on surface antigens and become engulfed by phagocytes.
"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"
Answer:
You could get a bacteriophage as a product.
Explanation:
Bacteriophages are viruses housed within bacteria, which take over the bacterial replication mechanism to multiply and replicate in a dependent manner.
The combination of the hepatitis b virus with a bacterium would end up forming a much more potent bacteriophage with higher virulence factors than the virus or the bacterium itself.
Place the following liquids in order from lowest to highest point (bottom to top) in a density column based on the following data:
Liquid A: d= 1.0 g/mL
Liquid B: d= 1.2 g/mL
Liquid C: m= 6.2g; v= 7.0ml
Answer:
1)Liquid C.
2)Liquid A.
3)Liquid B.
Answer: B,A,C
Explanation:Hope this helps
A student hypothesized that EC growth might be affected by the DNA from circulating erythrocytes. Is this student’s hypothesis reasonable?
Answer: The options are not given, here are the options.
A) No the DNA in circulating erythrocytes ins needed to help transport O2 through the capillaries
B) No circulating erythrocytes contain DNA.
C) Yes DNA is responsible for cell division in most cells
D) Yes circulating erythrocytes carry DNA nutrients through the capillaries
The correct option is B.
No circulating erythrocytes contain DNA.
Explanation:
Erythrocytes or red blood cells is a biconcave disc that contain haemoglobin which help to carry oxygenated blood in the body.
Circulating erythrocytes do not contain dna because they lack nuclei and organelles, cannot synthesize any RNA, therefore cannot divide and have limited repair capabilities.
Because they cannot carryout protein synthesis, no virus can evolve and invade the red blood cells.
Create a scientific question that could be answered with the help of a microscope
Answer:
"Find the difference on the basis of the shape of animal and plant cell?" is a scientific question that can be answer with the help of microscope.
Explanation:
Microscope is an instrument that helps in study the very small structures by magnifying its size with the help of different magnifying lenses of different magnifying power.
Microscope bends the light towards the eyes through the lenses which make them look larger than the actual size of the object. Microscope can help an individual to see minute details that eyes can not see normally.
Shape of the cell of various organism like plant and animals can be study with the help of microscope and can be find the differences.
Thus, "Find the difference on the basis of the shape of animal and plant cell?" is a scientific question that can be answer with the help of microscope.
____________________ are structures inside cells that perform specific functions and are often enclosed in membranes; these can be seen with an electron microscope. Your answer:
Answer:
Organelles
Explanation:
Living cells of organisms contain structures within them that perform specific functions for the cell. These structures are called ORGANELLES. Organelles are organ-like structures that are specific about their function in a cell.
Both the cells of prokaryotes and eukaryotes possess organelles, however, the organelles in eukaryotes are bounded by a membrane e.g mitochondrion, chloroplast etc. while those of prokaryotic cells are not bounded by a membrane.
The organelles inside a cell can be seen with the aid of an electron microscope. Examples of organelles are chloroplast (functions in photosynthesis), mitochondria (functions in production and storage of cellular energy), ribosome (functions in protein synthesis) etc.
12. Being early June, it is currently late spring in the northern temperate zone. What season is it in the
southern temperate zone?
a) early spring b) late fall
c) early fall
d) summer
e) late spring
Answer:
B late fall
Explanation:
It just the exact opposite on the southern temperate zone to the northern. Late spring would be late fall. Northern is going into summer as Southern is going into winter.
Convert 11.75 millimeters to meters. ____ meters
Answer:
0.01175
Explanation:
To convert millimeters to meters, we must divide the number of millimeters by 1000 because for one meter, there is one thousand millimeters
So, 11.75/1000= 0.01175
Answer:
0.01175
Explanation
Which factor in the Southwestern desert ecosystem is abiotic?
Answer: Abiotic factors are all non-living factors in an organism's environment. Precipitation, water availability, sunlight, and temperature are all abiotic factors. Deserts are characterized by their lack of rainfall.
Explanation:
Hope this helps^^
how many different types of scientific investigations are there
Answer:
There are 3 types of scientific investigations.
Explanation:
Types of Scientific Investigations
Controlled Investigation.
Field Investigation.
Design Investigation.
Secondary Research Investigation.
Answer:
Explanation:
there are three types :
Scientists use three types of investigations to research and develop explanations for events in the nature: descriptive investigation, comparative investigation, and experimental investigation.
hope this helps you
During the agricultural revolution ?
5. A suggested and testable explanation for an event is called a
1. hypothesis
2. variable
3. theory
4. control
Answer:
1.hypothesis.
hope it helps!
A suggested and testable explanation for an event is called a hypothesis. Therefore, option (A) is correct.
What is a hypothesis?A hypothesis is a proposed explanation for a phenomenon that can be tested through scientific investigation. It is an educated guess or tentative answer to a scientific question based on prior knowledge and research. A hypothesis should be specific, testable, and falsifiable, meaning that it can be proven wrong through experimentation.
Hypotheses are often used in scientific experiments to guide the research and determine the outcome. A hypothesis can be based on observations, theories, or previous research, and it should be clearly stated in a way that allows it to be tested and either supported or rejected by the evidence. The process of testing a hypothesis involves designing and conducting experiments, collecting and analyzing data, and drawing conclusions based on the results. The ultimate goal of a hypothesis is to gain a deeper understanding of the natural world through the scientific method.
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If a friend needed help creating a personal study strategy and had never thought about it before, (1 point) which of the following would be a good place to start? O Look over a list of common study habits, and see whether he or she currently practices them or not. O Tell him or her your study method so that he or she can adopt the same one. O Go to the beginning of the textbook, and reread it word for word. O Find a group of people to study with, since group studying is the only way to study well.
Answer:
common study habits
Explanation:
An area where you can concentrate and won't be distracted by loud noises or individuals who continually want your attention is one that is calm and has few distractions. Thus, option A is correct.
What are the good place to start common study habits?The neighborhood library is an excellent spot to conduct some studying. The nicest part is that there are no interruptions. It is quiet, has sufficient of table space, comfortable benches or chairs, and even couches in certain libraries!
An empty classroom can make a great study space. When classes are not in session, several universities permit students to utilize the classrooms for studying.
A calm area in your home, a school or public library, a coffee shop, or any of these can be suitable starting points.
Therefore, If you can locate a classroom that is open while you are in school during the day, it would make a great place to study. Coffee house.
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Which of the following options is correct?
It was important that Mendel examined not just the F1 generation in his breeding experiments, but the F2 generation as well, because
a) he obtained very few F1 progeny, making statistical analysis difficult.
b) parental traits that were not observed in the F1 reappeared in the F2.
c) analysis of the F1 progeny would have allowed him to discover the law of segregation, but not the law of independent assortment.
d) the dominant phenotypes were visible in the F2 generation, but not in the F1
Answer:
b
Explanation:
It was important that Mendel did not limit his study to just the F1 generation because parental traits that were not observed in the F1 reappeared in the F2.
For example, in across involving a true-breeding yellow seedcoat pea plant and a true-breeding green seedcoat pea plant, all the F1 offspring would be yellow provided that the yellow seedcoat is dominant over the green seedcoat. The green seedcoat trait will only reappear in F2 offspring.
If the breeding experiment is limited to just the F1 generation, of course, the parental green seedcoat trait will not surface at all.
The correct option is b.
What is the responsiblity of individual in creating safe environment?
Answer:
The most important responsibility of an individual is to conserve energy and prevent them from being unnecessarily wasted......
Explanation:
what happens if the polarity of neuron membrane is disturbed
Answer:
Neuronal polarity refers to the asymmetrical distribution of cellular components within a neuron. ... During neuronal polarization, a group of molecules work in concert to regulate the dynamics of the cytoskeleton. The cytoskeleton dynamics is essential for neurite extension and axon and dendrite formation.
Explanation : Neuronal polarity refers to the asymmetrical distribution of cellular components within a neuron. ... During neuronal polarization, a group of molecules work in concert to regulate the dynamics of the cytoskeleton. The cytoskeleton dynamics is essential for neurite extension and axon and dendrite formation.
Question 1
10 pts
Observe the terrestrial food web below. Based on the way this food web is structured, list the producer(s) in this food
web. What is your evidence?
Which statement about atmospheric pressure near Earth's surface is true?
OA.
It increases as you move away from Earth's surface.
O B.
It decreases as you move away from Earth's surface.
O c.
It is constant throughout Earth's atmosphere.
D.
It is measured using a thermometer.
Answer:
B. It decreases as you move away from Earth's surface.
Explanation:
The atmospheric pressure is maximum at the surface of the Earth and it decreases with the increase in the elevation. In the mountains regains and on the cliff of the mountains, the atmospheric pressure is less as compared to the ground level. This happens because the density of the cool air is greater than the warm air. The decrease in pressure causes mountain sickness and many other problems to people when the elevation increases.
Give an example of each level of organization found in a flowering plant.
Each level of organization found in a flowering plant is:-
Cellular level:- MegasporesTissue level:- ParenchymaOrgan level:- Filament ( stalk of anther)Organism level:- The plantWhat do you mean by level of organism?
Levels of organization are structure in nature, usually defined by part -whole relationships, with things at higher levels being composed of things at the next lower level
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Explain the pathway of an electrical impulse during the excitation of human heart.
Answer:
electrical impulse travels from the sinus node to the atrioventricular node across the cells of the heart left and right atria.
When the impulses get to the atrioventricular node which is located between atria and ventricles,it slow down for a short period of time
Explanation:
Heart excitation starts from the sinoatrial (SA) node then propagates through right and left atria. The atrial depolarization expands to the atrioventricular node, and move via the bundle of His to the bundle branches or Purkinje fibers.
electrical impulse travels from the sinus node to the atrioventricular node across the cells of the heart left and right atria.
When the impulses get to the atrioventricular node which is located between atria and ventricles,it slow down for a short period of time and it's then continue the conduction pathway through bundle of His into ventricles.
What is the responsibility of a scientist
It requires scientists to conduct and communicate scientific work for the benefit of society, with excellence, integrity, respect, fairness, trustworthiness, clarity, and transparent
Soluble proteins can enter which organelle in their folded conformation? A. chloroplast B. endoplasmic reticulum C. golgi apparatus D. mitochondrion E. ribosome
Answer: Golgi aparathus.
Explanation:
Golgi aparathus is an organelle that is found in eukaryotic cells. Soluble protein can enter Golgi aparathus in folded conformation because the golgi aparathus is a complex vessicles and folded membrane that help to package, transport and modify proteins and deliver them to the right location they will be needed.
Soluble proteins can enter the golgi apparatus in their folded conformation
Golgi apparatusGolgi apparatus is a membrane-bound organelle found in eukaryotic cells that is composed of a series of flattened, stacked pouches called cisternae.
It is located in the cytoplasm next to the endoplasmic reticulum and near the cell nucleus.
Functions of the golgi apparatusThe Golgi apparatus is responsible for the following functions:
transporting,modifying, andpackaging proteins synthesized in the endoplasmic and lipids into vesicles for delivery to target sites or destinations.Proteins in their native or folded conformation enter the golgi apparatus and are then packaged for delivery to sites where they are needed.
Therefore, soluble proteins can the golgi apparatus in their folded conformation
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What would happen in an ecosystem without primary consumers? (3 points) a The populations of producers would increase. b The populations of decomposers would decrease. c The populations of omnivores would increase. d The populations of carnivores would increase.
Answer:
the answer is A
Explanation:
without the herbivores/primary consumers to eat them, the plants/producer population would increase.
Answer:
A
Explanation:
just got it correct on the question
Meteorology studies?
Answer:
Meteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting.
Answer:
meteorology is the study of Earths atmosphere
Explanation:
what is bundle cap in plants?