Answer: The blood capillaries supply oxygen to the various parts of the body.
Explanation:
The oxygenated blood from the lungs travels to the various parts of the body so that every organ of the body gets oxygen.
Oxygen is required for the cellular respiration of the body as the energy required by the cells is obtained by this process.
The blood capillaries supply oxygenated blood to every organ of the body.
Capillaries, thin-walled vessels in the body, allow for the transport of oxygen into tissues. Oxygen is taken into the capillaries from the lungs, transported through the body's circulatory system, and delivered to cells through the process of diffusion. Deoxygenated blood is then returned to the heart.
Explanation:The vessels that allow for oxygen movement into the tissues are known as capillaries. These are tiny, thin-walled vessels that facilitate the exchange of oxygen, nutrients, and waste products between the blood and the body's cells. The process begins in the lungs, where oxygen is absorbed into the capillaries from the alveoli, small air sacs where the exchange of gases occurs.
When the oxygen-rich blood leaves the lungs, it is transported via the pulmonary veins into the left atrium and then into the left ventricle of the heart. The left ventricle pumps the oxygenated blood into the aorta, the largest artery, and from there, the oxygenated blood is distributed throughout the body via a network of arteries and arterioles that eventually leads to the capillary beds.
In the capillaries, oxygen is diffused from the blood into tissue fluid, which allows it to reach the body's cells. Gas exchange in capillaries is driven by the differences in pressure between the capillaries and the tissues, which allows for the movement of oxygen into the tissues and carbon dioxide, a waste product, into the blood. It is important to understand that the slow rate of travel through the capillaries assists with this gas and nutrient exchange. After leaving the tissues, deoxygenated blood is then returned to the heart via venules and veins.
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The plant life cycle has mitosis occurring in spores, produced by meiosis, that germinate into the gametophyte phase.
A.true
B.False
The statement about the plant cycle is true.
Explanation:All plants experience an actual existence burn that takes them through both haploid and diploid ages. The multicellular diploid structure of plant is known as the sporophyte that produces spores through meiotic (agamic) division. The multicellular haploid structure of plant is known as the gametophyte, which is shaped from spore and offer ascent to haploid gametes.
The change between these haploid stage and diploid stage that happens in plants is known as the generations alternation. The manner by which the generations alternation happens in plants relies upon the kind of plant. In bryophytes (greeneries and liverworts), the predominant age is haploid, so the gametophyte includes what we consider as the primary plant.
The inverse is valid for tracheophytes (vascular plants), in which the diploid age is predominant and the sporophyte involves the primary plant.
What are purebred organisms
Purebred organisms are individuals from the same species with consistent genetic traits passed down through generations of selective breeding. They can serve as key models for the study of genetics and the preservation of specific traits.
Explanation:Purebred organisms are individuals of a species that possess a uniform set of genes for certain traits as a result of selective breeding or natural processes that encourage inbreeding among genetically similar individuals. Such organisms are bred intentionally to ensure that the traits are passed on to their offspring. To be considered a purebred, both parents must be purebred themselves, often for many generations back, which creates offspring that are genetically uniform.
In biology, organisms broadly encompass living entities that share certain characteristics such as reproduction, growth, and the ability to maintain homeostasis. Within species, reproduction can occur sexually or asexually, with purebred organisms being a result of controlled sexual reproduction, sometimes reinforced by artificial selection in agriculture or dog breeding, for instance.
By understanding how purebred organisms are created and maintained, scientists can preserve desirable traits and study the genetic underpinnings of those characteristics.
In organisms with large genomes, inversions are more likely to be tolerated if the breakpoints occur in:
The answer is telomeres. These are the regions at the end of the chromosomes that are composed of random repeats of nucleotide sequences. When the DNA is duplicated entirely by DNA polymerases such as during mitosis, the lengths of chromosomes reduce slightly by every duplication. This is due to the aspect of the lagging strands replication that is unable to be completed to the end of the chromosome. Therefore telomeres protect the chromosome from losing critical genes since mutations on telomeres will not affect the cell functionality.
If you are writing a report on your family tree, all of these are considered primary sources EXCEPT A) a photograph B) a diary entry C) a birth certificate D) a guide to family research
D. A Guide to family research
Answer:
D
Explanation:
A guide to family research is a source, but it is not primary. A primary source is not presented by a third party; it is direct.
By what 2 different mechanisms could mutant phages change to become capable of lysing
e. coli k
The switching from lysogenic to the lytic cycle, also called lysogenic induction, can be caused by a double-stranded break in the prophage or can be caused by a mutagen. These factors could cause disruption of the cI & cro genes that are responsible for regulating the lytic-lysogenic cycles of bacteriophages..
Which factor affects sensation?
Answer:
Perception
Explanation:
Perception selects, organizes and interprets the inputs from the physical world into our brain in other words sensation must go through perception so we can understand and interpret the information that our senses are collecting. Perception can vary between individuals since it is influenced by the individual's available knowledge, experiences and thoughts.
_______ organisms maintain homeostasis by having organs and organ systems.
A. Unicellular
B. Multicellular
C. both a and b
D. none of the above
Free radicals are formed in the __________, and when you exercise, the increased use of ________ causes a(n) _____________ in free radicals.
What type of ecosystem covers most of the islands of southeast asia?
Put the protein digestion steps in order of their occurrence during the digestive process.
Protein digestion is a process of reducing the dietary protein into a pool of amino acids in the gastrointestinal tracts. These amino acids are then absorbed and transported to cells where they will mix and form variety of proteins the body needs. However, the process of digestion takes place in the mouth and ends in the small intestine with the help of enzymes and digestive juices.
Steps
· Mouth: chewing of protein rich food which increase the surface area of the food particles and aid the process of digestion.
· Stomach: the acid in the stomach denature and unfold the protein rich foods in other for digestive enzymes to act on the protein. This digestive enzyme digests the protein into smaller molecules called peptides.
· Small intestine: In the small intestine, more protein- digesting enzymes that originate from pancreas and cells lining in the stomach work on the peptides and break them down into smaller peptides and sniped off the amino acid one by one.
Protein digestion occurs in various steps. Protein is made up of polypeptides so the peptide linkage between them has to be broken down first. The protein is then converted into peptides. Peptides are further broken down to amino acid which acts as the simplest molecule for absorption.
Further explanation:
Protein is a biomolecule which consists of amino acids. The amino acids are linked together through the peptide linkage. It is the complex molecule which is broken down into smaller molecules during the process of digestion.
Most of the protein digestion takes place in stomach. In stomach, pepsin produced by stomach chief cells acts on protein and converts it into peptides. Various proteases are involved in digestion of different types of proteins.
Trypsin, elastase chymotrypsin and carboxypeptidase produced by pancreas is released into duodenum where they acts on protein and peptides and converts them into peptides and amino acids, respectively.
Aminopeptidase and dipeptidase present at the surface of intestine converts peptides into amino acids.
The proteins coverted into amino acids are then absorbed by small intestine through the help of microvilli. The microvilli provide good surface area for the absorption to occur in the small intestine.
Learn more:
1. Learn more about protein structure https://brainly.com/question/1420458
2. Learn more about protein locations https://brainly.com/question/5923583
3. Learn more about amino acids https://brainly.com/question/5050077
Answer Detail:
Grade: Middle school
Subject: Biology
Chapter: Digestion
Keywords:
Proteins, biomolecule, amino acids, peptide, digestion, pepsin, proteases, trypsin, elastase chymotrypsin, carboxypeptidase, pancreas, aminopeptidase, dipeptidase.
To prepare for an important midterm, Zoe studies 90 minutes each night for five nights. Zoe's method exemplifies:
In a windmill, electrical voltage is produced in the _____. rotor blades shaft generator wires to your house
The generator boo boo kitty
The __________ is commonly used to identify aerobic microorganisms.
Sofia wants to help take care of dolphins and other sea mammals which field of study would be most useful to her
A PV cell is made of two thin layers of _____.
A) tubes
B) insulation
C) semiconductor material
D) collector plates
Which technique takes advantage of the requirement of glucose for more fuel?
2-DG Autoradiography
2-DG Autoradiography is a technique used to study the neuronal organization of certain aspect of behavior such as hibernation, thought, sleep and language. This technique can also be used to correlate some specific aspect of human behavior to regional pattern of glucose utilization in the brain. However, 2-DG Autoradiography was developed by sokoloff and his associates to determine and measure glucose utilization in the brain.
Mass wasting _____. A) is the movement of sediment up a slope B) happens when glaciers pluck rocks from Earth's surface C)only happens in hot climates with a lot of moisture D) is caused by weathering and gravity
The correct answer is D: is caused by weathering and gravity.
In corn snakes, the wild-type color is brown. one autosomal recessive mutation causes the snake to be orange, and another causes the snake to be black. an orange snake was crossed to a black one, and the f 1 offspring were all
Answer:
s this a question?
Explanation:
Research has shown a link between cancer and which sexually transmitted disease
organisms in the aquatic ecosystem in the picture must be adapted to which abiotic factors
Organisms in the aquatic ecosystem in the picture must be adapted to several abiotic factors, including water temperature, dissolved oxygen levels, pH levels, water flow rate, and nutrient availability.
What are abiotic factors?Abiotic factors can greatly impact the survival and growth of aquatic organisms, so they have developed various adaptations to cope with these conditions.
An example of the effect of abiotic factor on organisms in aquatic ecosystem is that fish may have special respiratory systems to extract oxygen from water with low dissolved oxygen levels, and algae may have specialized pigments to absorb light in deep waters with low light availability.
Additionally, some organisms may be able to regulate their body temperature or tolerate extreme pH levels to survive in their aquatic habitat.
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What happens during the light reaction of photosynthesis? A. Water molecules combine to make food. B. Air and water create energy for a plant. C. Carbon dioxide is combined with glucose. D. Water molecules split apart.
Answer:
D, water molecules split
Explanation:
I took quiz :D
During the light reaction of photosynthesis water molecules split apart, the photochemical phase or light dependent Reactions are other names for this reaction, hence option D is correct.
What are different steps during photosynthesis?A sequence of chemical events known as the "Light Reaction of Photosynthesis" are what is needed for the pigment found in leaves, such as chlorophyll, to transform light energy into chemical energy in the form of ATP and NADPH.
Autotrophic plants produce their own food through a process called photosynthesis. Sunlight, chlorophyll, CO2, and water are four crucial components needed for this process.
Therefore, the two steps of photosynthesis are the light reaction and the dark reaction. It is a response that is light dependent. It is a response that is not dependent on light.
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Zara is an excellent violin player. Which part of her brain is responsible for the motor skills involved in playing a violin?
thalamus
medulla oblongata
hypothalamus
cerebellum
Answer:
its defiantly the Cerebellum i got 5/5 on Plato!
Explanation:
In this ecosystem diagram, pollution and human activities have led to a decrease in the number of eagles. A sudden viral attack on rabbits has led to a decrease in the population of rabbits in the ecosystem. Based on these changes, which two of the following predictions are scientifically sound?
In humans excess glucose is stored as the polysaccharide known as
Answer:
Glycogen
Explanation:
Why is it possible to detect the pungent odor of ozone after a lightning storm?
The pungent smell of ozone after a lightning storm is caused by the formation of ozone from oxygen due to the electric discharge from lightning, leading to ozone's characteristic sharp odor.
The pungent odor of ozone detected after a lightning storm is due to the formation of ozone from oxygen during electrical discharges. When a lightning strike occurs, the high energy from the electric discharge breaks the chemical bonds of atmospheric oxygen (O₂), creating free radicals. These oxygen radicals then recombine to form ozone (O₃), an allotrope of oxygen with a characteristic sharp smell that is often likened to chlorine bleach. Ozone can be hazardous in high concentrations, causing headaches, burning eyes, and respiratory irritation.
What is the primary function of dynamic study modules? g?
Answer:
Assess what a student already knows, and where he or she may want to focus additional study
Explanation:
took it
Dynamic study modules are designed to provide personalized, effective learning experiences. They adapt to students' knowledge levels and learning speeds, continuously assessing and reinforcing until mastery is achieved.
Explanation:The primary function of dynamic study modules lies in their ability to promote personalized and effective learning. These tools adapt to individual students' knowledge levels and learning speeds, continuously assessing understanding and proficiency as the student moves through the module. The modules are designed to identify areas of difficulty, and then to revisit these areas until comprehension is demonstrated, promoting mastery of the topic. This results in more engaged learners and often leads to increased academic performance.
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How did more sophisticated microscope have allowed scientists to advance their knowledge of cells?
This type of animal tissue can be divided into two types, voluntary and involuntary. 1 epithelial
2 muscular
3 smooth
4 nervous
Answer:
2. muscular tissue.
Explanation:
The muscular tissue is responsible for the movement of the body, body parts, and organs. About 40% of our body is formed of muscles. The muscle tissue is made up of highly contractile muscle fibers.
There are 3 types of muscular tissues - skeletal muscle / voluntary muscle, smooth muscle / involuntary muscle, cardiac muscle.
Skeletal muscles are striped in appearance and hence called as striated muscles. Their muscle activities are under the control of an individual's will. Therefore, these muscles are known as voluntary muscle.
The second type of muscular tissue is smooth muscle. These are located in the inner wall of visceral organs such as the GI tract, reproductive organs, etc. They are smooth in appearance, hence known as smooth muscle. These muscles are not under the control of one's will. Hence it is called involuntary muscle.
The third type of muscle is cardiac muscle. It is exclusively present in the heart. Many cardiac muscle cells are arranged in branches to form a cardiac muscle.
Figure 17-2 shows highest fitness toward the center of the curve. When individuals with an average form of trait have the highest fitness the result is
A-not predicable
B-disruptive selection
C-directional selection
D-stabilizing selection
Answer:
Option-(D): Stabilizing selection.
Explanation:
Stabilizing selection:The process in which a limited or specific number of the species get the chance to evolve through time or they get the best of chances to survive in any environment. As some of the traits may be lost due to the stabilizing form of natural selection.
Diversity is found all across the living beings, but when the process of natural selection follows the stabilizing pathway for selection then it will surely cause the end to diversity among beings.
For example:
The number of eggs that a bird lays and along with the weight of a human being child at the time of birth can be referred to as the stabilizing form of natural selection