Insertion mutation occurs when an extra base pair is added to a sequence of bases.
In general, a Point mutation refers to alteration in a single base pair of DNA by substitution, deletion, or insertion of a single nitrogenous base. Most common example of point mutation is sickle cell anemia. that consists of mutation in a single base pair in the beta-globin chain of hemoglobin pigment in the blood cells. Thus, An insertion can involve the addition of any number of nucleotides, that can be a single nucleotide or an entire piece of a chromosome.
An insertion is a point mutation in which one or more base pairs is added to a DNA sequence. Point mutations is further divided into silent mutations, missense mutations, and nonsense mutations.
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A tumor in a male patient is preventing the anterior pituitary from secreting LH. What effect will this have on his sperm production
Answer:
He will have a decreased amount of testosterone and in turn a reduction in sperm production.
What major events happen in each phase of interphase
Answer:
Explanation:
Interphase is composed of G1 phase (cell growth), followed by S phase (DNA synthesis), followed by G2 phase (cell growth). At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells.
What can be known about Mendel's five part hypothesis it is an answer to a scientific?
Mendel established a set of five guiding principles to explain how features are passed down in pea plants, which he called his "five-part hypothesis." The following rules are there are specific "factors" that are transferred from parent to offspring and defining traits.
For each attribute, each parent gives their offspring one component. One factor will be dominant and the other will be recessive when the factors influencing a trait are distinct.
The phenotype will show the expression of the dominant factor but not the recessive factor. A child has a 50% chance of getting a particular trait from a parent.
Mendel's five-part hypothesis has been expanded upon and refined in the century and a half since his initial experiments, but the basic principles he discovered continue to form the foundation of modern genetics. Mendel's work helped establish the concept of the gene as the unit of inheritance and the idea that different versions of a gene (alleles) can result in different traits.
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What is the probability that a child born to two carriers of a recessive disorder allele will have the disorder?
The probability that a child born to two carriers of a recessive disorder allele will have the disorder is 25% can be calculated by the pedigree analysis.
When two carriers of a recessive disorder allele have a child, each parent will pass on one of their two copies of the allele to the child. Since each parent is a carrier, there is a 50% chance that the child will inherit one copy of the allele from each parent. When both copies of the allele are inherited, the child will have the disorder because the disorder only occurs when both copies of the allele are present.
The probability that the child will inherit one copy of the allele from each parent is (1/2) x (1/2) = 1/4 = 25%. Therefore, the probability that a child born to two carriers of a recessive disorder allele will have the disorder is 25%.
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Classifying and Exploring Life Lesson 1. Characteristics of Life Lesson 2. Classifying Organisms Lesson 3. Identifying a Beetle Lesson 4. Exploring Life Lesson 5. Constructing a Dichotomous Key
There appear to be five different lesson topics related to studying life, its characteristics, and to classify and identify different organisms.
"Characteristics of Life," would likely cover the basic characteristics that all living things share, such as the ability to grow, reproduce, and respond to their environment.
"Classifying Organisms," would likely cover how scientists group and classify living things into different categories based on their characteristics, such as the use of taxonomy and the classification system proposed by Carl Linnaeus.
"Identifying a Beetle," would likely focus on teaching students how to identify different species of beetles by their physical characteristics, such as size, shape, and coloration.
"Exploring Life," would likely focus on introducing students to the diversity of life on Earth and the different ways in which living things interact with each other and their environment.
"Constructing a Dichotomous Key," would likely teach students how to use a dichotomous key, which is a tool that helps identify different species by asking a series of questions and narrowing down the options based on the answers.
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INTRO TO CELL RESPIRATION OVERVIEW POGIL: All cells need energy all the time, and their primary source of energy is ATP. The methods cells use to make ATP vary depending on the availability of oxygen and their biological make-up. In many cases the cells are in an oxygen-rich environment. For example, as you sit and read this sentence, you are breathing in oxygen, which is then carried throughout your body by red blood cells. But, some cells grow in environments without oxygen (yeast in wine-making or the bacteria that cause botulism in canned food), and occasionally animal cells must function without sufficient oxygen (as in running sprints). In this activity you will begin to look at the aerobic and anaerobic processes that are used by all organisms to produce ATP. Which statement is NOT true based on this intro
The products formed as a result of cellular respiration are ATP, water and carbon dioxide.
The cells require energy to perform all their cellular functions. The source of energy for them is ATP which is adenosine triphosphate. The amount of ATP which is produced by a cell depends on its requirement and also on the amount of oxygen that is available.
Depending on whether a particular organism requires oxygen or not, they can be classified as aerobic and anaerobic. Aerobic organisms are the ones which require oxygen whereas anaerobic organisms do not require oxygen. The reaction for cellular respiration can be represented as:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP
Carbon dioxide, water and ATP are formed as products in this reaction.
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what are the nutrients which undergo digestion ? just give answer in very simplest form?
Protein digestion occurs in the stomach and duodenum in which 3 main enzymes, pepsin secreted by the stomach and trypsin and chymotrypsin secreted by the pancreas, break down food proteins into polypeptides that are then broken down by various exopeptidases and dipeptidases into amino acids.
Answer:
Chemical digestion breaks down different nutrients, such as proteins, carbohydrates, and fats, into even smaller parts:
Fats break down into fatty acids and monoglycerides.Nucleic acids break down into nucleotides.Polysaccharides, or carbohydrate sugars, break down into monosaccharides.
Explanation:
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how do microorganisms play a role in decomposition
Microorganisms are the primary agents of decomposition. Particularly, fungi are considered the major contributors due to their ability to produce specific enzymes and the possibility to access new substrates through hyphae. In this review, we highlighted the role of fungi in decomposition and reconsider the role of bacteria, neglected in the past, identifying key research needs and knowledge. Particular attention is given to the succession of different taxa with different ecological role that are able to use a substrate that undergoes to chemical and structural modifications. The quality of substrates is a critical factor that influences the microbial community together with environmental variables, such as temperature and moisture. However, the microbial community is also able to influence the substrate characteristics.
Answer:
microorganisms are essential for decomposing organic matter and recyling old plants materials.Some bacteria and fungi provide important nutrients to plants like nitrogen and phosphorus
Which of these haploid strains produce permease constitutively but do not produce β-galactosidase
a. I+ P+ O+ Z- Y-
b. I+ P+ O- Z+ Y+
c. I- P+ O+ Z-Y+
d. I- P+ O+ Z+ Y-
e. I- P+ O+ Z+ Y+
The answer is : I- P+ O+ Z-Y+
The lac operon genes, which encode vital enzymes for lactose absorption and processing, must be expressed for the bacteria to utilise lactose. E. coli should only express the lac operon when two conditions are met in order to be as effective as possible:
Glucose is not readily available, but lactose is.
The Y gene codes for lactose permease.
In the operon I- P+ O+ Z-Y+, I codes for repressor protein, therefore I- implies this lacks repressor means operon is not inhibited so it is always active.
Z codes for beta-galactosidase in this operon.
This haploid species can produce permease persistently but do not produce -galactosidase since this operon has no functioning Z gene but does have a functional Y gene.
So the answer is : I- P+ O+ Z-Y+
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Which among the following is the correct sequence of prophase I of meiosis?
A.Leptotene, pachytene, zygotene, diplotene, diakinesis
B.Leptotene, diplotene, pachytene, zygotene, diakinesis
C.Leptotene, zygotene, pachytene, diplotene, diakinesis
D.Leptotene, zygotene, diakinesis, diplotene
Answer: C
Explanation: Leptoten, zygotene, pachytene, diplotene, diakinesis
Could you please help me with this question?
Which of these is due entirely to inheritance in humans?
A) Endurance
B) Reading Skill
C)Broken Bones
D) Eye Color
Which of the following conclusions about the radiolabeled amino acid is best supported by the results of the experiment
It was largely integrated into proteins that control and oversee metabolic processes.
Amino acid molecules comprise proteins. Proteins and amino acids are the building blocks of life. After proteins have been digested or denatured, amino acids are still present. In order to maintain the body, the human body makes proteins from amino acids:
The body can produce energy from amino acids to digest food, grow, repair bodily tissue, and carry out a variety of other bodily functions.
Amino acids are divided into three groups:
Important amino acids
Unneeded amino acids
conditional amino acids
Amino acids are necessary for the synthesis of body protein as well as other essential nitrogen-containing compounds like creatine, peptide hormones, and certain neurotransmitters. Even though allowances are portrayed as meeting biological needs, amino acids.
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What Is a Siamese Fighting Fish and it's average lifespan in captivity?
Answer:
The siamese fighting fish (also commonly known as betta fish) is a freshwater fish found in some parts of asia. They are known to fight other fish of their kind, hence the name siamese fighting fish. They usually live between 2-5 years in captivity.
Sediment deposition, earthquakes, and weathering are
similar in that they
In some ways, sediment deposition, earthquakes, and weathering are all comparable in that they may all produce erosion.
The shedding of sediments by wind, water, ice, or gravity is known as sediment deposition. Weathering processes generate sediments, erosion processes degrade them, and sedimentation processes deposit them in new sites. As the wind and water slow down, the silt they were transporting falls to the ground.
Erosion is the movement of soil, silt, and rock debris caused by weathering of geological structures by wind, water, and ice. Subsidence occurs when eroded material transported by water settles out of the surface water column when the flow of water slows.
Erosion and weathering turn rocks and mountains into sediments such as sand and mud. Deposition is a kind of weathering, namely chemical weathering. As a result of the water's mild acidity, the stone progressively wears away during this procedure. These three processes all contribute to the formation of new sedimentary rock sources. Earthquakes and weathering are similar in that they can both result in
soil Erosion .
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Complete question:
Sediment, deposition, earthquakes, and weathering are similar in that they
can all change the surface of the Earth.
are all a result of weathering.
all happen quickly.
all cause erosion
Which of the following kingdoms are NOT heterotrophs?
O plants
O fungi
O animals
O all of the kingdoms are made of heterotrophs
What will happen to enzyme if active site loses its shape?
The substrate's affinity for binding will decline, causing the enzyme to either complete the reaction at a slower rate than usual or not at all, depending on how much the active site has changed.
Proteins known as enzymes serve as biological catalysts and speed up chemical reactions. Substrates are the substances that interact with enzymes, and the enzyme changes the substrates into products, which are other molecules. Enzyme catalysis is required for the bulk of cellular metabolic processes to proceed at speeds quick enough to support life. An enzyme is required for each step in the catalysis of metabolic processes. It is acknowledged in the fields of pseudoenzyme analysis, enzymeology, and the study of enzymes that some enzymes have evolved without the capacity to perform biological catalysis. Their strange "pseudocatalytic" abilities and amino acid sequences often reflect this.
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scientist have discovered several species of insect that are contain the DNA sequence ATTACGCGATC on their second chromosome what does this evidence suggest????
type of cell
Xylem
1. Absorption of mineral ions
2.Transport of oxygen
3.Movement of mucus
4.Protection against pathogens
5.Structural support
Answer:
absorption of mineral ions
Answer:
Option 1. Absorption of mineral ions
Explanation:
In Deoxyribonucleic acid, cytosine pairs with the nitrogen base is.....
Create offspring with a few different levels of Food supply. How does food supply affect the body type of offspring?
Food supply affects body type of offspring by providing resources for growth, lack of it can cause malnourishment and smaller size.
Food supply can have a significant impact on the body type of offspring. When food is abundant, offspring may have the resources to grow larger and develop more muscle mass. Conversely, when food is scarce, offspring may be smaller and have less muscle mass as they do not have access to as many resources for growth. Additionally, if the food supply is inadequate, the offspring may be malnourished and have health problems. It is also worth noting that genetic factors also play a role in determining body type, so food supply may not be the only factor influencing the body type of offspring.
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Which of the following is an example of the cycling of matter?
A A sea star dries out when exposed to air and radiation from the sun
B Seaweed releases oxygen that a crab breathes in through its gi is.
C A wave crashes against rock on the shoreline,
D Amussel seals its shell from drying heat of the sun
Answer:
d
Explanation:
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Answer:
C
Explanation:
Due to constant erosion, it will erode and collapse from which sediments form which sink into the sea or float depending on its mass
What event is shown in the diagram?
A tapeworm eats partially digested food in the digestive system of the host and deprives it of nutrients. What type of symbiotic relationship is this?
A. commensalism
B. competition
C. parasitism
D. predation
Answer:
C.
Explanation:
Parasites deprive their host of it's nutrients, which is what the tapeworm does as described in the paragraph.
Answer:
C. parasitism
Explanation:
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About how often do you think eclipses happen?
Answer:
2 to 4 a year
Explanation:
Answer:
every one to two years
"Total solar eclipses occur once every one to two years but are only visible from less than half a per cent of the Earth's surface".
looking at model 1, the other molecules that appear to be high potential energy molecules (free energy carriers) during cellular respiration to carry electrons to oxidative phosphorylation are
The additional compounds that seem to be high potential energy molecules for transporting electrons to oxidative phosphorylation during cellular respiration include The majority of ATP molecules created during cellular respiration come from oxidative phosphorylation.
The process through which organisms combine oxygen and food molecules, direct the chemical energy of those components toward life-sustaining processes, and eliminate carbon dioxide and water as waste is known as cellular respiration.
The process of breaking down sugar in the presence of oxygen and releasing energy in the form of ATP is known as cell respiration, and it takes place in the mitochondria of living things (animals and plants). Water and carbon dioxide are emitted as waste during this procedure.
Through the mitochondrial electron transport chain, ATP production is connected to electron transfer and corresponding oxygen consumption through the process of oxidative phosphorylation.
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What is represented by
region on the sound
wave
Answer:
Compressions and Rarefactions
A vibrating tuning fork is capable of creating such a longitudinal wave. As the tines of the fork vibrate back and forth, they push on neighboring air particles. The forward motion of a tine pushes air molecules horizontally to the right and the backward retraction of the tine creates a low-pressure area allowing the air particles to move back to the left.
Explanation:
These regions are known as compressions and rarefactions respectively. The compressions are regions of high air presure while the rarefactions are regions of low air pressure.
Sound waves can also be shown in a standard x vs y graph, as shown here. This allows us to visualise and work with waves from a mathematical point of view. The resulting curves are known as the "waveform" (i.e. the form of the wave.) The wave shown here represents a constant tone at a set frequency.
Portland cement is the most common type of cement used in the world. It is made of limestone and other material. It was first developed in 1756 by John Smeaton Portland. Cement is made through a process of heating and grinding. It sets in hardens is with mix with water.. what is the correct statement about Portland cement?
The statement that is correct is that; Portland is not a mineral because minerals are not man-made. Option C
What is the Portland cement?We can see that the Portland cement is the product of a kind of a chemicals reaction. In this reaction, there is the combination of the water and the limestone and the mixing is what does produce the Portland cement.
We know that Portland cement is the most common type of cement used in the world. It is made of limestone and other material. It was first developed in 1756 by John Smeaton Portland.
The development of the Portland cement was a mile stone in the rea of the building and the construction industry as we know it today in the whole world. The production of the cement makes it to be hard and then able to survive harsh conditions in usage.
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Missing parts;
Use the definition of minerals to choose the correct statement about Portland cement.
Portland cement is the most common type of cement used in the world. It is made of limestone and other material. It was first developed in 1756 by John Smeaton. Portland cement is made through a process of heating and grinding. It sets and hardens when mixed with water.
A
Portland cement is a mineral because all minerals are made of limestone.
B
Portland cement is a mineral because all minerals harden when mixed with water.
C
Portland is not a mineral because minerals are not man-made.
D
Portland cement is not a mineral because minerals aren’t used in daily life.
Drag the organelle labels to the appropriate pink targets. Then identify the function of each organelle on the blue target
Please help meeee I really need help i need to turn it in
A. the nucleus stores genetic information B. the plasma membrane controls transport
C. the cytoskeleton provides support
D. the golgi processes proteins
E. lysosome: disintegration and recycling
f. flagellum - motion
g. The mitochondrion, which produces energy.
Cell organelles are the collective name for the cellular building blocks. These cell organelles, which are present in the cells and differ in their forms and functions, comprise both membrane-bound organelles and organelles that are not membrane-bound.
For the cell to function normally, they efficiently coordinate and work together. Some of them work by giving shape and support, while others help a cell move and reproduce. The cell has a variety of organelles, which are divided into three groups based on whether or not they have a membrane.
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