When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
What happens when a phase in the cell cycle does something incorrectly?When a phase in the cell cycle does something incorrectly, then they cannot move to opposite poles in the later phases of mitosis, which result the cell with extra chromosomes and a daughter cell with missing chromosomes. These mutations can lead cell death, disease or cancer.
So we can conclude that When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
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Some people have their gall bladder surgically removed to the formation of gall stones. Describe the function of the gall bladder and explain how a gall bladder removal would have on their digestion.
Underneath the right side of the liver, the gallbladder is a pear-shaped organ.
What is the function of gall bladder?Its primary function is to gather and concentrate bile, a digestive fluid made by the liver. The gallbladder is where bile is kept after the liver produces it. The gallbladder receives a signal from the stomach when you eat. Bile is released from the gallbladder when it contracts, and it travels through the gut via the major common duct. Bile combines with the food there and aids in digestion.
When the gallbladder is removed from a healthy person, there are rarely any obvious health or digestive issues, though there is a slight chance of diarrhea and fat malabsorption.
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In the overall process of glycolysis and cellular respiration, __________ is oxidized and __________ is reduced.
In the overall process of glycolysis and cellular respiration, glucose is oxidized and oxygen is reduced.
This whole process of oxidation and reduction is called aerobic respiration.
In this process glucose reacts with molecular oxygen to produce carbon dioxide and water, hence the carbon atoms in glucose are oxidized.
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The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a/an ______________.
receptor
effector
stimulus
response
The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.
What are nerve receptors?Nerve receptors can be defined as biological structures capable of converting external/internal stimuli to electrical impulses.
Nerve receptors include different types of cellular structures located in eyes, skin, mouth, nose, etc.
In conclusion, the sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.
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Bone cells that become surrounded by bone matrix and are located in cavities called lacunae are:.
Answer:
Osteocytes
Explanation:
i studied this
During an action potential, the rapid decrease in sodium permeability and simultaneous increase in potassium permeability is responsible for __________.
the repolarization of the cell.
Mechanism :
Action potentials are signals that are sent and received by muscle and nerve cells. Because of the negative concentration gradient in the resting membrane potential of nerve cells, there are more positively charged ions outside the cell than inside. There are more sodium ions outside the cell and more potassium ions within because these positively charged ions are sodium ions. Action potentials cause the membrane to depolarize, which is followed by the process of repolarizing the cell. The membrane potential changes and reverts to the negative value of the resting potential during repolarization. The potassium channels open and the sodium channels close at this stage, allowing the nerve cell to lose positively charged ions.
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When must personnel receive training to perform animal procedures?
The personnel must receive training to perform animal procedures before any procedures are performed on the animal.
What is animal care during experimentation?The animals used for research and experiments should be taken care of in. such a way that they can be replaced, reduced and refined.
According to the animal guide policy, any scientist that would use an animal for a research work would have to undergo a training before performing any procedures on the animal.
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Which energy transformation occurs in the 2nd step of photosynthesis?
according to the avma, which method is acceptable, when used by itself, for euthanasia of rabbits?
According to the avma, the acceptable method, when used alone, for the euthanasia of rabbits are barbiturates and barbituric acid derivatives.
What is the method of euthanasia in rabbits?Recommended methods of euthanizing rabbits depend on the facilities and conditions in which the animals are housed and maintained. in a controlled as a biomedical research facility where researchers have access to restraint devices and controlled drugs, intravenous injection of barbiturates is generally used.
With this information, we can conclude that according to the avma, the acceptable method, when used alone, for the euthanasia of rabbits are barbiturates and barbituric acid derivatives.
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Survivorship types cab be gaphed to depict survival percentages over time. Examine four graphs below: (graph in the picture )
which curve on the graph represents a species that produces high numbers of offspring with paternal care?
A. Graph 1
B. Graph 2
C. Graph 3
D. Graph 4
Graph 3 shows a species that produces high numbers of offspring with paternal care.
What is the survivorship curve?The survivorship curve gives us a idea of the number of individuals in the population that are expected to survive and reproduce at any given time. We have to note that paternal care increases the chances of survival of the organism.
Hence, graph 3 shows a species that produces high numbers of offspring with paternal care.
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Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. Host ribosomes cannot translate it. Need to copied to strand to make viral proteins b. Translated directly to make viral proteins c. Integrated viral genome in an animal host d. Enzyme needed to copy RNA to RNA e. Synthesizes complementary ssDNA once inside the cell.
The lettered items are matched with the correct numbered items as follows:
a. -SSRNA: host ribosomes cannot translate it. Thus, it need to be copied to + strand to make viral proteins.
b. +SSRNA: it can be translated directly to make viral proteins.
c. Provirus: the integrated viral genome in an animal host.
d. RNA dependent RNA polymerase: an enzyme needed to copy RNA to RNA.
e. Retrovirus: it synthesizes complementary ssDNA once inside the cell.
What is a genome?A genome can be defined as the complete set of hereditary instructions which is typically found in the deoxyribonucleic acid (DNA) such as:
+SSRNA-SSRNADSRNAIn conclusion, the lettered items should be matched with the correct numbered items as follows:
-SSRNA: the host ribosomes cannot translate it. Thus, it need to be copied to + strand to make viral proteins.+SSRNA: it can be translated directly to make viral proteins. Provirus: the integrated viral genome in an animal host. RNA dependent RNA polymerase: an enzyme needed to copy RNA to RNA. Retrovirus: it synthesizes complementary ssDNA once inside the cell.Read more on genome here: https://brainly.com/question/2193677
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Complete Question:
Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.
a. Host ribosomes cannot translate it. Need to copied to strand to make viral proteins
b. Translated directly to make viral proteins
c. Integrated viral genome in an animal host
d. Enzyme needed to copy RNA to RNA
e. Synthesizes complementary ssDNA once inside the cell.
1. +SSRNA
2. -SSRNA
3. Retrovirus
4. RNA dependent RNA polymerase
5. Provirus
Question 4 of 5
When was Pluto formally downgraded from planet to dwarf planet?
Answer:
August 2006
Explanation:
A student lifts a set of books off a table and places them in the upper shelf of a book case which is 2 meters above the table. If she applies a force of 5 newtons to lift these books, what is the work done?
If a force of 5 newtons is applied to lift books 2 meters, the work done is 10 newton meters.
How work can be calculated?The formula for calculating work is Work = Force x Distance so for calculating work we have to multiply 2 meters with 5 newtons force then we get 10 newton meters.
So we can conclude that If a force of 5 newtons is applied to lift books 2 meters, the work done is 10 newton meters.
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From the calculations, the work done on the book is 10 J.
What is work?In science, work is said to be done when the force applied moves a distance in the direction of the force.
Given that;
Force applied = 5 N
Distance covered = 2 m
It the follows that the work done is;
W = F * d
W = 5 N * 2m = 10 J
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Which describes these molecules correctly
The correct description of the given molecule is C. Fatty Acid.
Why is this molecule a fatty acid?A typical fatty acid has a straight chain of carbon atoms. These atoms are then bonded with hydrogen atoms.
At the end of this line, there will be a -COOH bond and at the beginning, there is an H bond. This is what is depicted in the diagram so it must be a fatty acid molecule.
Options for this question include:
A. ribose
B. glucose
C. fatty acid
D. sucrose
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The ability of muscle to shorten forcibly when adequately stimulated is known as ________, and sets muscle apart from other tissue types.
Answer: Contractility
Explanation:
The ability of muscle to shorten forcibly when adequately stimulated is known as contractility, and sets muscle apart from other tissue types.
PLEASE ANSWER LOLL 100 points
Answer:
[tex]\textsf {Option 2}[/tex]
Explanation:
Hot springs and geysers are formed by the heating of groundwater. This is evidenced by the bursting of these natural phenomena, releasing heat.
Explain how the wall thicknesses are related to the functions of the chambers.
The explanation of how the heart wall thicknesses are related to the functions of the chambers are as explained below.
How to know heart wall thickness and chambers?Heart chambers are four hollow spaces within the human heart which are made up of two atria and two ventricles.
The thickness of the heart wall is related to the force of contraction required in the heart in the sense that the left ventricle which is the thickest wall contracts with the greatest force and creates the greatest amount of blood pressure in the heart chambers.
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__________________ antibiotics inhibit the replication of microorganisms and prevent the growth of the organism without destroying them.
Bacteriostatic antibiotics inhibit the replication of microorganisms and prevent the growth of the organism without destroying them.
What is an Antibiotic?An antibiotic refer to chemical substances that hello to destroy, kill or inhibit the growth of microorganisms in the body to prevent infections.
Therefore, Bacteriostatic antibiotics inhibit the replication of microorganisms and prevent the growth of the organism without destroying them.
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digestive tract & ____________________ together constitute the digestive system.
Answer:
Digestive tract & Accessory glands together constitute the digestive system.
Explanation:
The accessory organs are the teeth, tongue, and glandular organs such as salivary glands, liver, gallbladder, and pancreas.
cellular membrane are permeable to _______ but impermeable to __________
Cellular membrane are permeable to nutrients but impermeable to protein.
What is cell membrane?Cell membrane is the cellular structure that surrounds the cell which is semi permeable thereby selecting the substances that either leaves or enters the cell.
Nutrients are chemical that helps to sustain the cell while proteins are used to build up worn out part of the cell.
Therefore, the cell membrane allows the cell to absorb nutrients by resists the removal of proteins.
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Which of the following is not a characteristic of living things
Answer:
C. Must be able to reproduce
Explanation:
A. All living things must grow and develop
B. Single-celled organisms exist and are considered living things.
D. All living things must have DNA in their cells.
Human beings have a long period of development, requiring nurturance and protection for many years. What would evolutionary theorists argue about this long period of relative immaturity?
There argument would be that It is a necessity because a long period of adaptation is needed for acquiring physical and cognitive competencies.
Who are the evolutionary theorists?Evolutionary theorists are those scientist in the field of psychology that studied the long term discoveries about the development of human beings from generation to generation.
They where able to discover that human beings have a long term period of development requiring nurturance and protection for many years.
This was so because such a long period of time is needed for them to acquire both physical and cognitive competencies.
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which type of study that a student is doing by exploring the external features of an animal
Answer:
analyzing behaviors of living animals with a common ancestry
analyzing embryos and skeletons of animals of the same species
analyzing DNA sequences and embryonic development
analyzing the the fossilized remains of animals from different time periods
When using Triple Sugar Agar, select the coloration that can be expected with different bacterial growth (select all that apply). Group of answer choices Yellow butt with a red slant Yellow butt with a yellow slant Yellow butt with a green slant Purple slant Red butt with a red slant Black and red slant Metallic green slant Red butt and slant with bubbles
The coloration that can be expected with different bacterial growth when using Triple Sugar Agar are:
Yellow butt with a yellow slantYellow butt with a red slantWhat is bacteria?Bacteria are simple and microscopic organisms which are mostly pathogens of different infectious diseases
For growth to occur in bacteria, different kinds of nutrients are needed in the process called growth media.
Two different growth media which bacteria uses to grow are:
Liquid growth mediaSolid growth mediaIn conclusion; The coloration that can be expected with different bacterial growth when using Triple Sugar are Yellow butt with a yellow slant and Yellow butt with a red slant
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which term describes an
enzyme?
Answer:
A biological catalyst
Explanation:
An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.
Explain why the population of girls are more than that of boys in terms of variation.
Answer:
females have 2X chromosomes but males have one 1Y and 1X chromosome therefore if the male donates the x chromosome the baby will be a girl
Are data that do not support a hypothesis useful?
A. No, because the data must be inaccurate
B. No, because the data show that the experiment failed
C. Yes, because the data prove that the experiment was designed
poorly
D. Yes, because the data provide useful information that can lead to
more testing
Answer:
D
really dude, just read these types of questions the one that's really different is usually right
Which of the following is an example of a beneficial mutation?
A.
a mutation causing uncontrolled cell division in human tissue cells
B.
a mutation inhibiting human immunodeficiency virus from entering the host cell
C.
a mutation resulting in partial or complete loss of chlorophyll pigments in plants
D.
a mutation resulting in a squirrel being born without ovaries
Answer: A
Explanation: TOOK THE TEST OK
What are the classification categories
The classification categories of organisms are:
KingdomPhylumClass Order Family Genus SpeciesWhat is taxonomy?Taxonomy can be defined as a scientific method which is used by researchers for the naming, classification and description of the various species of organisms such as humans, animals, and plants.
In Science, the classification categories of organisms include the following:
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Convert this measurement, 6.410102 , from scientific notation to standard notation.
This measurement, 6.410102 , is from scientific notation to standard notation. The answer will be 6.41
What is Scientific notation?Scientific notation is a way of writing numbers in two parts:
Only the figures (with the decimal point after the first digit), followed by × 10 to the power that moves the decimal point where you should be (that is, showing how many positions the decimal point moves).
On the other hand, the standard notation is the one that is normally used for not-so-large numbers by putting one digit behind another.
Thus, The answer will be 6.41.
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1.Is there an industrial or disposal process of using sieving to separate mixtures? Describe any environmental impact it might have
Answer:
Yes
Explanation:
There are plenty of evidences and uses of sieving
It was begun by Romans
Nowadays it's used to separate several mixtures like sands for construction,food materials etc
