Answer:Circulatory system A pneumonia infection can spread from the lungs into the bloodstream. This is a serious complication. It can reach other major organs and result in organ damage or even death. The spread of bacteria through the blood is called bacteremia.
Thx for the points
Explanation:
12. How did Mendel explain the consistency of the phenotypic ratio in the F2 generation (3 dominant: 1 recessive)?
Mendel explained the consistency of the phenotypic ratio in the F2 generation by proposing the law of segregation and the law of independent assortment. The law of segregation states that during the formation of gametes, the two alleles for a trait separate from each other and only one allele is passed down to each offspring.
This explains why the F1 generation showed a dominant trait, but the recessive trait reappeared in the F2 generation. The law of independent assortment states that the inheritance of one trait is not dependent on the inheritance of another trait, which means that the inheritance of one gene does not affect the inheritance of another gene.
This explains why the ratio of traits in the F2 generation is consistent, as each allele is inherited independently.
Therefore, when a dominant allele and a recessive allele are present, the dominant allele will express itself in the phenotype, but the recessive allele can still be passed down and expressed in the next generation. Overall, Mendel's laws of segregation and independent assortment provide a clear explanation for the consistency of the phenotypic ratio in the F2 generation.
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The intensity of sunlight on Earth is affected by
A.) the mass of Earth
B.) the speed of Earth
C.) the number of rotations of Earth
D.) the curved surface of Earth
Answer:
The correct answer is D.) the curved surface of Earth.
Explanation:
The intensity of sunlight on Earth is affected by the curved surface of Earth, which causes the sunlight to spread out over a larger area. As a result, the intensity of sunlight is less at any given point on Earth's surface than it would be if Earth had a flat surface. This also explains why the poles receive less sunlight than the equator, as sunlight is spread out over a larger area near the poles due to the curvature of the Earth.
Factors such as the mass of Earth, the speed of Earth, and the number of rotations of Earth do not directly affect the intensity of sunlight on Earth.
Which statement supports the modern extension of the cell theory that states "all living cells come from preexisting cells"? a. All living organisms are multicellular. b. Cells pass on hereditary information. c. Each cell in an organism contains a single nucleus. d. The chemical composition of cells varies by organism.
Im 60% sure its B but if its not my bad
The statement that supports the modern extension of the cell theory that states "all living cells come from preexisting cells" is that they pass on their genetic information. Option B is the correct answer.
What is the presence of nucleus like ?The presence of nucleus is like the central position in which all the machinery of the cell parts are all included.
All organisms only inherit genetic information just by specifying the structure and the function from parents. In that case , all the cells that arise from the type of the preexisting cells such that the genetic material needs to be replicated along with passing from the parent to the progeny cell in each of the cell division.
DNA, or the deoxyribonucleic acid in which it is hereditary material in the humans and all the other organisms. Nearly every cell in person's body is having same kind of DNA. A sperm and egg each of them just contain a set of the total pair of 23 chromosomes. When sperm fertilises egg, then the two copies of chromosomes are just present and an embryo just forms up.
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I have an experiment where I need to find out the Controlled Variable, Dependent Variable, and Independent Variable. In my experiment, I am using different temperatures of water, pieces of paper towels, paper clips. Please help!
Answer:
controlled variables=paper clips
independent variables=different temp of water
dependant pieces of paper towel
Explanation:
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what two conditions increase the likelihood that a father will contribute to raising their offspring?
The two conditions that increase the likelihood that a father will contribute to raising their offspring are a strong emotional bond with their partner and a belief in the importance of fatherhood and their role in the family.
When fathers feel connected to their partner and see themselves as important figures in their children's lives, they are more likely to take an active role in child-rearing tasks such as feeding, bathing, and playing with their children. Additionally, when fathers believe that being involved in their children's lives is important, they are more likely to prioritize spending time with them and taking on caregiving responsibilities. These conditions can lead to increased paternal involvement, which has been shown to have positive impacts on children's development and well-being.
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Frozen red blood cells that have been thawed, deglycerolized and reconstituted in an open system must be used within _______.
Frozen red blood cells that have been thawed, deglycerolized and reconstituted in an open system must be used within 24 hours.
Cryopreservation of Red blood cells (RBCs) can be done with a long time span of usability of 10 years. Glycerol safeguards RBCs during freezing and defrosting, yet it can cause hemolysis if it is not washed off or eliminated before transfusion. When a unit has been deglycerolized, the shelf life of RBCs in an open system is only 24 hours, bringing about sporadic utilization of Frozen RBCs from the outset of the procedure or in close system cases it is up to 14 days.
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Frozen red blood cells that have been thawed, deglycerolized and reconstituted in an open system must be used within 24 hours.
The classical way of preserving the blood cells is to store them at low temperatures. The phenomenon by which the red blood cells are frozen and defrosted is called cryopreservation. This process requires the use of glycerol to safeguard the RBCs from damage. The glycerol is washed off prior to transfusion to avoid hemolysis. After removal of glycerol, the shelf life of RBCs in case of an open system is only for 24 hours. This creates the need of immediate use of the frozen RBCs. However, in case of close system, the RBC utilization period is up to 14 days.
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Explain the importance of active transport in humand and plants
Answer:
Hey
Active transport is important because it allows the cell to move substances against the concentration gradient.
Hope this helps..
Answer:
Active transport is important because it's essencial for the movement of nutrients and substances all around the body and plant
a malignant black tumor of the skin is called: group of answer choices melanoma. onychoma. hidradenoma. xanthoma. adenoma.
A malignant black tumor of the skin is known as melanoma. Melanoma is a type of skin cancer that affects the melanocytes, which are the pigment-producing cells in the skin. This cancer can occur anywhere on the skin, including the scalp, nails, and mucous membranes.
It is important to diagnose and treat melanoma early to prevent the spread of cancer to other parts of the body.There are different types of melanoma, such as superficial spreading melanoma, nodular melanoma, and lentigo maligna melanoma. Superficial spreading melanoma is the most common type, accounting for around 70% of all cases. It usually appears as an irregularly shaped mole with different colors, such as black, brown, and red.
Nodular melanoma is a fast-growing, dome-shaped lesion that is usually black or blue. Lentigo maligna melanoma is a type of melanoma that usually develops on sun-damaged skin and appears as a flat, brown lesion that gradually becomes darker and more irregular.
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The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as
A. codons, in groups of 3
B. nitrogen bases, in groups of 2
C. anti-codons, in groups of 4
Answer:
A. codons, in groups of 3
Explanation:
The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as codons, in groups of 3.
codons, in groups of 3. The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as codons, in groups of 3.
What are Codons?Codons are units of genomic information made up of three nucleotides (trinucleotides) in DNA or RNA that code for a specific amino acid or indicate the end of protein synthesis (stop signals).
There are 64 distinct codons, of which 3 serve as stop signals and 61 identify amino acids.
The messenger RNA is made using the DNA as a template, which is subsequently used to create a particular protein. The bases that make up DNA and the associated messenger RNA are called bases. These nucleotides are frequently identified in RNA by the letters A, U, C, and G.
Therefore, Codons, in groups of 3. The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as codons, in groups of 3.
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How are surface waves different from body waves? Which are more damaging?
Answer:
Explanation:
surface waves decay more slowly with distance than body waves, which travel in three dimensions. Particle motion of surface waves is larger than that of body waves, so surface waves tend to cause more damage.
Answer:
surface waves decay more slowly with distance than body waves, which travel in three dimensions. The particle motion of surface waves is larger than that of body waves, so surface waves tend to cause more damage. Surface waves. Their side-to-side motion (like a snake wriggling) causes the ground to twist from side to side, that's why Love waves cause the most damage to structures. Rayleigh waves create a rolling, up, and down motion with an elliptical and retrograde particle motion confined to the vertical plane in the direction of propagation.
Explanation:
Describe the structure of collagen. Where is it found and what are its functions?
The structure of collagen is a triple helix made up of three polypeptide chains, each containing a repeating sequence of amino acids, primarily glycine, proline, and hydroxyproline.
What is Collagen?
Collagen is a fibrous protein that has a unique triple helical structure. It is made up of three polypeptide chains, which are wound around each other in a rope-like structure. Collagen is found in many different tissues throughout the body, including skin, bone, cartilage, tendons, and ligaments. Its primary function is to provide strength, support, and flexibility to these tissues.
Collagen is also important for maintaining the structure and integrity of skin, hair, and nails. In addition, it plays a role in wound healing and helps to maintain healthy joints and bones. Collagen is found in various tissues throughout the body, including skin, bones, tendons, and cartilage. Its functions include providing strength and structural support, promoting tissue repair and wound healing, and maintaining skin elasticity.
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An amino acid has a carboxyl group and an amino group. Which of these groups would be found
at the C-terminus end of the polypeptide?
-carboxyl group
-amino groups
Osmosis refers only to water molecules that enter through a semi-permeable membrane.
True
False
Answer:
True
Explanation:
Osmosis refers to the diffusion of water molecules ONLY.
Osmosis refers only to molecules that enter through the semi permeable. - True
describe one characteristic of a membrane that requires a channel be present for chloride ions to passively cross the membrane. explain why the movement of chloride ions out of intestinal cells leads to water loss.
One characteristic of a membrane that requires a channel for chloride ions to passively cross is its selective permeability.
Selective permeability allows specific molecules or ions to pass through the membrane while blocking others. Due to the charged nature of chloride ions, they cannot easily pass through the lipid bilayer of the membrane. Instead, they require channel proteins to facilitate their movement across the membrane.
The movement of chloride ions out of intestinal cells leads to water loss because it creates an osmotic gradient. When chloride ions move out of the cells, they increase the concentration of solutes in the extracellular space. This causes water to move out of the cells through osmosis to balance the concentration of solutes inside and outside the cell. This water loss can lead to dehydration if not properly regulated.
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What is the 4 stages of human life cycle??
Answer:
Baby, Child, Teen, Adult
Explanation:
It's probably wrong I just put this for fun
Answer:
childhood, adolescence, adulthood, and old age
What individual parts come together to Mack each strand of dna?
Answer:
adenine, guanine, cytosine, and thymine are the 4 bases of dna
Explanation:
they are the "rungs" of the DNA ladder. Adenine only pairs with thymine nd guanine only pairs with cytosine.
Sonam is standing on a chair. what kind of energy does Sonam possess
Answer:
HI DUDE
Explanation:
HE POSSES gravitational potential energy
which area of the brain is associated with classical conditioning and motor movements?
The cerebellum is the area of the brain associated with classical conditioning and motor movements.
The cerebellum, located at the back of the brain, is primarily responsible for coordinating voluntary movements, balance, and motor learning. It plays a crucial role in classical conditioning, a type of learning where an individual associates a neutral stimulus with a reflex response. The cerebellum receives information from various sensory systems and integrates it with motor signals from the rest of the brain. Through this integration, the cerebellum helps in the acquisition, timing, and precision of conditioned responses.
It is particularly involved in the acquisition and timing of conditioned eyeblink responses, where a previously neutral stimulus, such as a tone, becomes associated with an eyeblink reflex. Furthermore, the cerebellum is also crucial for motor movements, as it sends signals to other parts of the brain and spinal cord to coordinate and refine motor actions. Damage or dysfunction in the cerebellum can result in motor impairments, such as difficulties in coordination, balance, and precise movements.
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a symptom commonly associated with virus infection of plants is group of answer choices plant death leaf wilting leaf mosaic canker ooze none of the others
The symptom commonly associated with virus infection of plants is leaf mosaic.
Leaf mosaic is a common symptom of virus infection in plants. It is characterized by the appearance of light and dark areas on the leaves, giving them a mottled or streaked appearance. The pattern of the mosaic can vary depending on the virus involved and the host plant. In severe cases, the leaves may become distorted or twisted. Other symptoms of virus infection in plants can include stunted growth, yellowing of leaves, and wilting. However, plant death is not always a symptom of virus infection and can be caused by various other factors such as nutrient deficiency, drought, or pest infestations.
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What is a symptom commonly associated with virus infection of plants?
Hiii! So I was doing science, and it's not my best subject. And on one question, I was stuck, so I came to Brainly to see if anyone can help me on this. I would really appreciated if you did. I'll be giving 10 points and brainliest to the correct answer. Pleeeeaaase help me.
Wassup. I got ur answers here
Archaea is unicellular, a prokaryote, and is both Herero and autotrophic
Bacteria is uni, pro, and both Herero and auto
Protist is mostly uni, euka, and also both
Fungi is multicellular, euka, and heterotrophic
Plant is multi, euka and autotrophic
Animal is multi, euka, and hetero
Compare and contrast the structure and function of a compound light microscope and a dissecting microscope.
The difference between the two types of microscope is that the compound light microscope can be used to analyse the structure of tissues, cells and organelles which are smaller , whereas dissecting microscope is used to analyze large external objects and structures with magnification up to x100 and the compound light microscope is more useful.
What is a Microscope?This instrument is commonly used in the laboratory to examine objects which are too small to be seen by the eyes without any form of assistance.
Compound light microscope and a dissecting microscope are both light microscopes but have different magnifications.
The dissecting microscope has the ability to enlarge up to 40 times the size of the organism while the compound light microscope can enlarge up to 400 times the size of the organism.
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What do we call the organic
material that detritivores feed on?
answer all 3 please
Answer: 1. Earthquake
2. Lava
3. Divergent Boundary
Explanation:
As the body breaks down large molecules into smaller molecules that the
cells can absorb, it is exposed to bacteria and viruses on a regular basis.
Which two body systems are interacting to keep you safe from invading
organisms and chemicals?
F. digestive and endocrine
G. endocrine and reproductive
H immune and digestive
J. respiratory and muscular
Answer:
H. Immue and digestive
Explanation:
The immune system fights pathogens protects us from them, the digestive system destroys pathogens that may be in our stomach or intestines.
A student studying the phosphate runoff into the Chattahoochee River basin near Atlanta, Georgia, developed the following model to show the impact of the mandatory restrictions that were put in place during 1995 to limit the runoff.
Which factors most likely contributed to the trends in phosphate runoff before the restrictions were implemented? Select two options.
Responses:
Increases in new of plant growth in the wetlands around the river
Weathering events happening on surrounding mountains
The application of fertilizer resulting in agricultural runoff
An increase in the number of animals eating plants
Uplifting of rock masses from recent earthquakes
The factors which most likely contributed to the trends in phosphate runoff before the restrictions were implemented is as a result of the following below:
Weathering events happening on surrounding mountainsApplication of fertilizer resulting in agricultural runoff.What is Fertilizer?This is referred to as a substance which contain chemical elements and is applied to the soil for the increase in growth and productivity. it is commonly used in agriculture to provide the required nutrients to the plants.
Fertilizer contain elements such as nitrogen, phosphate etc which seeps into the soil during weathering process which involve water and when there is an agricultural runoff which is therefore the reason why option B and C were chosen as the correct choice.
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What if the SHH you are making needs to be accumulated in the cell so that it can be released all at once into the extracellular space at a specific time? How would you store the produced SHH? What would need to occur to release all of the SHH from storage into the extracellular space?
If SHH is to be accumulated and then released into cellular space at a specific time, it would be necessary to establish storage mechanisms and release mechanisms.
To store the produced SHH would require specialized cellular compartments.
To release all of the stored SHH, a signal or stimulus would need to trigger the release of SHH from storage into the extracellular space.
What steps would the SHH storage and release process take place?SHH production.Storage.Storage regulation.Production of the SHH release signal.SHH release.SHH is a protein that is stored within the cell and is released into the extracellular space in times of need. These processes need to work in a very regulated way in order to achieve their objectives. For this reason, well-regulated and optimized storage and release mechanisms are needed.
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If genes from an organism, such as a bacterium, are inserted into a cell of another organism, such as corn, why does the gene still function? (2 points) The organism receiving the gene will modify it so it can work. The gene carries the necessary enzymes to allow it to be read in corn. The genetic code is read in the same way by all organisms. The bacterium is similar enough to the corn that the gene is able to function.
Answer:
Because it other dominates the other genes. It mutates but still carries the Domininant Recesive gene is intact to the organism.
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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Which equation represents fertilization?
haploid + diploid = diploid
diploid + haploid = haploid
haploid + haploid = diploid
diploid + diploid = diploid
Answer:
the answer is (C) haploid + haploid = diploid
Explanation:
edge 2021
Haploid+ Haploid = Diploid represents fertilization. So, the correct option is (C).
What is Fertilization?
Fertilization is defined as the process in which two gametes where one male and one female first form a zygote and then lead to the development of an embryo.
These germ cells are cells that give rise to gametes – either egg cells that are female gametes or sperm cells that are male gametes.
These germ cells are the only cells that can undergo both mitosis and meiosis. These are the diploid cells present in the gonads. After meiosis, haploid gametes are produced. In fertilization two haploid gametes fuse (n+n) and form a diploid zygote (2n)
Thu, Haploid+ Haploid = Diploid represents fertilization. So, the correct option is (C).
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what is a fatty substance produced by the liver that travels through the bloodstream
A fatty substance produced by the liver and travels through the bloodstream is called cholesterol.
What is cholesterol?
Cholesterol is a type of fat-like substance found in the bloodstream, cells and tissues of all animals. It is essential for life, as it helps to build and maintain cell membranes and produce hormones. High levels of cholesterol can cause an increased risk of heart disease, stroke, and other health problems. Cholesterol is mainly produced by the liver, and can also come from certain animal-based foods like egg yolks, fatty meats, and full-fat dairy products. Eating a healthy diet and exercising regularly can help to lower cholesterol and reduce the risk of disease.
Therefore, A fatty substance produced by the liver and travels through the bloodstream is called cholesterol.
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