Respiration occurs in the__________
1 nasal cavity
2 lungs
3 red blood cells
4 cells of the body
Answers
Answer:
cells of the body
Explanation:
Respiration happens in the cells of plants, animals and humans, mainly inside mitochondria, which are located in a cell’s cytoplasm, energy released during respiration is used by plants to make amino acids, and by animals and humans to contract their muscles to let them move. Don't confuse respiration with breathing. Respiration releases energy, while breathing
Related Questions
Which of the following is the most important, when working in the science laboratory?
conducting an experiment
working with chemicals
safety
having fun
Answers
Answer:
Safety
Explanation:
Work in a laboratory involves the use of equipment and other elements whose risks must be known and which must be prevented in all cases.
1. Use a map to find the approximate location of each food source on the map of
North and Central America in the Data for Part 1 section. Make a mark (eg, an Xor
a small circle) on the map below at each location to indicate the approximate source
of each of each food in the sample data. If it came from outside the map, use an
arrow to indicate that its source is overseas (10 points)
Map of North America and Central America
Answers
The food map of America is given as attached.
What is the explanation for this ?The map illustrates the prevalence of monoculture in the United States, with corn being the most extensively grown crop,occupying the largest land area.
Some counties have up to 63% of their land dedicated to corn cultivation. Soybeans rank second and are primarily used as livestock feed,rather than solely for tofu production.
Food maps are visual representations that depict the distribution and prevalence of different food crops or agricultural practices in specific regions or countries.
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All living organisms share a common genetic code. What distinguishes one organism from another is the sequence of the -
Answers
What distinguishes one organism from another is the DNA sequence of the genome.
The genetic code is universal. It is a sequence of 3 nucleotide bases with each code representing a particular amino acid in all living organisms.
The nucleotide sequence in the DNA of organisms differs from organism to organism and species to species. Thus, the sequence of 3 bases that represent a genetic code will be different from organism to organism.
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The genetic code follows a set of principles used by living cells to convert information encoded in genetic material into proteins.
What distinguishes one organism from another is the sequence - the sequence of the amino acids.
Most of the time, the differences existing among organisms are relatively small. Most of the time such as a change usually occurs in the amino acid encoded by a particular codon.This is mainly influenced by the way in which these particular sequence of amino acids are arranged i.e the arrangement of these molecules differs for every organism making them unique from one to another.
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The ___________ species concept defines a species as individuals that can produce fertile offspring, while the ____________ species concept defines a species as a group of organisms that share a common ancestry. A. Phylogenetic, Biological B. Heredity, Genetic C. Genetic, Heredity D. Biological, Phylogenetic
Answers
Answer: Biological, Phylogenetic
Explanation:
identify 5 traits of an Arabian horse
large lung capacity
spotted pelt
comparatively small head
single cranial horn
vestigial wings
scales
fins
divided hooves
long fingers
smooth short pelt hair
hair tail
slender legs
Answers
The branching structures that, together with the cell body, are sensitive to chemical, mechanical, or electrical stimulation are called
Select one:
a. neurofibrils.
b. Nissl bodies.
c. synapses.
d. axons.
e. dendrites.
Answers
The branching structures that, together with the cell body, are sensitive to chemical, mechanical, or electrical stimulation are called:
e. dendrites.
Dendrites are the branching structures of a neuron that extend from the cell body. They receive signals from other neurons or sensory receptors and transmit these signals towards the cell body. Dendrites are covered with specialized structures called dendritic spines, which further increase their surface area and enhance their ability to receive and process incoming signals.
Dendrites are responsible for sensing chemical, mechanical, or electrical stimulation. When stimulated, they generate small electrical currents known as graded potentials, which are then transmitted to the cell body and further along the neuron through the axon.
Option a. neurofibrils refers to the structural components within a neuron that provide support and maintain the shape of the cell.
Option b. Nissl bodies are clusters of rough endoplasmic reticulum found in the cell body of a neuron involved in protein synthesis.
Option c. synapses are the junctions between neurons or between a neuron and a target cell, where communication occurs through the release and reception of chemical neurotransmitters.
Option d. axons are the elongated projections of a neuron that transmit signals away from the cell body to other neurons or target cells.
Therefore, the correct answer is e. dendrites, as they are the branching structures that are sensitive to various types of stimulation and play a crucial role in receiving and integrating signals in a neuron.
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What would be the consequences in successive generations of offspring if the chromosome number were not reduced during meiosis?
Answers
If the chromosome number were not reduced during meiosis, it would result in polyploidy, the condition of having multiple sets of chromosomes in an organism's cells. Polyploidy can occur through autopolyploidy, where an organism has multiple sets of chromosomes from the same species, or allopolyploidy, where an organism has multiple sets of chromosomes derived from different species.
Polyploidy can have significant consequences for offspring in successive generations. It often leads to larger and more robust individuals with increased vigor and adaptability. Polyploidy can cause reproductive isolation between polyploid and diploid individuals, potentially leading to the formation of new species.
It can also result in altered gene expression, changes in reproductive behavior, and reduced fertility due to meiotic problems. Polyploidy has played a role in plant speciation and can contribute to the genetic diversity and adaptability of populations.
Overall, if chromosome number were not reduced during meiosis, the occurrence of polyploidy would have far-reaching effects on the phenotype and evolutionary potential of offspring, influencing their reproductive success, genetic interactions, and potential for adaptation to changing environments.
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the
plasma membrane may contain all except
the
plasma membrane may contain all except which
Answers
The plasma membrane may contain all of the following components except:Extracellular matrix,Cytoskeletal elements,Genetic material.
- Intracellular organelles: The plasma membrane separates the cell from its external environment and does not contain intracellular organelles such as the nucleus, mitochondria, or endoplasmic reticulum. These organelles are located within the cytoplasm of the cell.
- Extracellular matrix: The plasma membrane is a boundary between the inside and outside of the cell and does not typically contain extracellular matrix components, which are found outside the cells in tissues.
- Cytoskeletal elements: While the plasma membrane is associated with the cytoskeleton and interacts with its components, it does not directly contain elements such as microtubules, microfilaments, or intermediate filaments.
- Genetic material: The plasma membrane does not contain the genetic material of the cell, which is primarily located within the nucleus in eukaryotic cells.
It is important to note that the plasma membrane does contain various other components such as phospholipids, proteins, cholesterol, and carbohydrates, which contribute to its structure and function in maintaining cell integrity, regulating molecular transport, and facilitating cell signaling.
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Describe an example of the first law of thermodynamics
Answers
Answer: According to the first law of thermodynamics, energy can be transferred from place to place or changed between different forms, but it cannot be created or destroyed. For instance, light bulbs transform electrical energy into light energy, and gas stoves transform chemical energy from natural gas into heat energy.
Explanation:
Answer: The first law of thermodynamics states that: energy can neither be destroyed or created, it can only change forms. An example of this in an ecosystem would be when a plant absorbs the sun's energy and photosynthesizes, storing the energy as glucose.
Explanation:
Compare transport in animals and plants cells
Answers
Answer:
Transport in both plants and mammals is by a system of specialised tubes. ... In mammals this forms a circulatory system of arteries, capillaries and veins. In flowering plants, transport is not circulatory and occurs in microscopic xylem and phloem.
Explanation:
Mammals:
ºSpecialised tubes - arteries, capillaries and veins.
ºAll tubes are composed of living cells.
ºThe concentration of substances transported is controlled (see homeostasis). The ºconcentration of the substances being transported is not controlled.
ºThe heart controls the circulatory system. The heart is controlled by the nervous system.
ºThe rate of flow is moderate and is regulated by vasoconstriction and vasodilation.
ºUses water as a medium in which to transport substances (it is a good solvent, it has a high specific heat capacity, has good surface tension but is not viscous, and is unreactive).
º The substances being transported are: respiratory gases, glucose, amino acids, fatty acids, glycerol, vitamins, minerals, hormones.
Plants:
º Specialised tubes - xylem vessels and tracheids and phloem sieve tubes.
º Some tubes are composed of living cells, e.g. phloem. Others are composed of dead cells, e.g. xylem.
º The concentration of the substances being transported is not controlled.
º There is no such control in plants.
º The rate of flow in the xylem and phloem is quite slow. The rate of flow in the xylem is controlled by external factors via the stomata (e.g. temperature, wind, humidity).
º Uses water as a medium in which to transport substances.
ºSubstances being transported are: sucrose, amino acids, fatty acids, glycerol, vitamins, hormones (in the phloem) and minerals and water (in the xylem). Respiratory gases are not transported by this system but move via a series of inter-connecting air spaces.
why is nicotine harmful for you
Answers
Common Side Effects: Nicotine is known to cause decreased appetite, heightened mood, increased heart rate and blood pressure, nausea, diarrhea, better memory, and increased alertness.
this answer i need pls ill mark brainliest
Answers
All - growth, exchange of gases, excretion, reproduction, and death (option d).
All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:
A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.
B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.
C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.
D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.
Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.
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Which of the following is the source for terrigenous (lithogenous) ocean sediment?
A. Coral reefs
B. Volcanoes
C. Meteors
D. Dissolved chemicals in seawater
Answers
Answer:
B. Volcanoes
Explanation:
What is the source of terrigenous sediments?
Sources of terrigenous sediments include volcanoes, weathering of rocks, wind-blown dust, grinding by glaciers, and sediment carried by rivers or icebergs. Terrigenous sediments are responsible for a significant amount of the salt in today's oceans.
Experiments Explain the 4 properties of water shown in this picture
Explanation
Answers
how was osmosis involved in causing seizures?
Answers
Answer:
Seizures is most triggered by dehydration
Can someone help me immediately please? Thank you so much!
Answers
The two statements that correctly describe cell division or genetic material are repeated mitosis and differentiation produce the more complex bird embryo, all the different types of cells contain the same genetic material (1, and 2).
What processes are required in the development of an embryo?Cell division and differentiation: This implies an increase in the number of cells through mitosis but also the formation of different tissues such as nervous tissue, skeletal muscle, smooth muscle, etc. which is possible through differentiation.Genetic material: All cells contain the same genetic material derived from parents.Learn more about embryos in https://brainly.com/question/30808880
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what are 2 limiting factors for snails and how do they affect the carrying capacity?
Answers
Answer:
lkhxltxlu
Explanation:
jfnCZ
bc,
bc
bc jlgxyltc h h h h h j huh. bdhvdnrkbd. dj d d be dbd dbd dj den d n n b hdkdb dk
Are whales a mammal?
Answers
Answer: Whales are mammals
Explanation:
During ___________, the cell grows, makes a DNA copy, and prepares to split into two cells
Answers
Answer:
Interphase
Explanation:
A species found only in one small area has a very narrow range of
O mutation
O endemism
O assortative mating
O pleiotropy
Answers
A species found only in one small area has a very narrow range of "endemism."
A species found only in one small area exhibits a very narrow range of endemism. Endemism refers to the restricted geographical distribution of a species, meaning it is native and confined to a specific location or region. In the case of a species with a narrow range of endemism, it is limited to a particular habitat or geographic area and is not found elsewhere in the world.
This localized distribution can result from various factors, such as unique environmental conditions, isolation, or evolutionary history. Endemic species are often vulnerable to habitat loss, human activities, and environmental changes due to their limited range and specialized adaptations.
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Brood size
Brood size
Brood size is defined as the number of live offspring that are laid and hatch frhon eggs in birds. In a particular species of bird, brood
size is genetically determined. Figure 1 shows the brood size for a species of nesting bird. Figure 2 shows the frequency of brood size
for the same species of bird twenty generations later. Which statement is supported by the data? You may select ALL that apply.
Answers
Answer:
A,B,D
Explanation:
The brood size is defined as the number of live offspring that are laid and hatch from eggs in birds.
What is the brood size?While the time period brood is typically best implemented to more than one chicks, chook broods can variety from one to fifteen or greater eggs or chicks relying at the species. Precocial birds together with waterfowl and sport birds typically have large broods than passerines.
As the figure represents the best and true statement about the bood size Figure 1 shows the brood size for a species of nesting bird because it is defined as the number of live offspring that are laid and hatch frhon eggs in birds.
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1. What was the accepted belief in the origin of life in the 19th century?
Answers
Answer:
As evolution became widely accepted in the 1870s, caricatures of Charles Darwin with the body of an ape or monkey symbolised evolution.
What adaptation has arisen in sap-feeding Hemiptera to deal with dilute diets?
A long stomach
A filter chamber
Large mandibles
Salivary secretions
Answers
The adaptation that has arisen in sap-feeding Hemiptera to deal with dilute diets is a long stomach. So, option A is accurate.
Insects belonging to the Hemiptera order, sometimes known as true bugs, have around 80,000 species that fall into categories like cicadas, aphids, planthoppers, leafhoppers, assassin bugs, bed bugs, and shield bugs. They have a similar combination of piercing-sucking mouthparts and range in size from 1 mm to about 15 cm.
The adaptation that has arisen in sap-feeding Hemiptera to deal with dilute diets is a long stomach. This allows them to store large quantities of sap and extract as many nutrients as possible from the dilute diets. Additionally, they may also have a filter chamber to remove excess water and large particles from the sap before consuming it. Salivary secretions may also play a role in aiding digestion and extracting nutrients from the sap.
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Most phenotypic traits—features of the organism that we can observe—are not easy to put into a Punnet Square. Give at least two reasons, or factors, that make most phenotypic traits complicated. How, then, can we measure these traits?
Answers
Most phenotypic traits are complex due to polygenic inheritance and environmental influences.
Phenotypic traits often result from the combined effects of multiple genes (polygenic inheritance) and can be influenced by environmental factors. Punnett Squares, which illustrate single gene pair inheritance, are not suitable for capturing the complexity of such traits. Additionally, environmental factors can interact with genetic factors, leading to variations in trait expression.
To measure complex phenotypic traits, alternative approaches are used. Quantitative measurements, such as height or weight, provide precise numerical values. Statistical analysis helps identify patterns, correlations, and heritability estimates in populations. It involves studying large sample sizes and employing statistical models to understand the contributions of genetic and environmental factors. Molecular genetics advancements have further enhanced our ability to study complex traits at the genetic level.
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Q 2. In fruit flie, red eye (A) are dominant to black eye (a) and long wing are dominant to hort wing. Aume that a cro wa made between fruit flie of genotype AAbb (red-eyed with hort wing) and thoe of genotype aaBB (black eye with long wing). Give the Punnett quare for the expected F2 progeny (offpring) type
Answers
Red eyes are more prevalent than green eyes in fruit flies. AaBb x aabb would be the offspring of a cross between such a short-winged, green-eyed fly as well as a long-winged, red-eyed fly.
The parents are homogeneous for these recessive features because red eyes are dominant over green eyes and large wings were dominant over small wings. A short-winged, green-eyed parent's genotype is aabb, and a long-winged, red-eyed parent's genotype is AaBb.
Red-eyed and green-eyed offspring are produced in a ratio of 1:1, as are offspring with long and short wings. One dominant and one recessive offspring result from a cross involving heterozygous dominant & homozygous recessive genes. This indicates that the parent fly's large wings and red eyes are heterozygous for the color of the eye.
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Which substance will MOST LIKELY cause a decrease in pH if it is leaked
into a North Carolina waterway by a local industry?*
Answers
Which is the path of sperm from the testes to the urethra?
Answers
Answer:
Sperm then travels through the deferent duct through up the spermatic cord into the pelvic cavity, over the ureter to the prostate behind the bladder. Here, the vas deferens joins with the seminal vesicle to form the ejaculatory duct, which passes through the prostate and empties into the urethra
Answer:
epididymis, vas deferens, seminal vesicles , prostate gland, urethra
unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs. State True or False your answer:
a. True
b. False
Answers
It is False that unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs.
In populations of immunocompromised individuals, antiviral medication resistance is an increasing issue because persistent viral replication and prolonged drug exposure favor resistant virus subtypes. Rapid diagnosis of resistance is possible by comparing specific viral mutations with drug resistance discovered by phenotypic testing.
To manage drug resistance, one must optimize host factors and medicine administration, select alternative therapies based on knowledge of the mechanisms driving resistance, and develop innovative antivirals.
Hepatitis B and drug-resistant herpesviruses are discussed in this article. In populations of immunocompromised individuals, antiviral medication resistance is an increasing issue because persistent viral replication and prolonged drug exposure favor resistant virus subtypes.
phenotypic testing's detection of resistance to particular drugs in common viral variants allows for the quick detection of resistance.
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Discuss the interconnections of the cardiovascular system with each of the other major body systems introduced. Give specific examples of these interactions and explain their effect on homeostatic balance.
Answers
The correct answer to this open question is the following.
The interconnections of the cardiovascular system with each of the other major body systems is of the utmost importance for the health of the human body. The circulatory system's main function is to take blood to all the cells of our body. The instant the heart stops bombing blood to all the cells, organs, glands, and systems, the body stops its vital functions. The Circulatory system has a direct relation to the optimal operation of other systems such as the Respiratory system, the Reproductive system, the Digestive system, the Skeletal system, the Muscular system, the Lymphatic system, the Nervous system, and the Endocrine system.
IN SIR model, what is the most likely time to recover based on
the
value of γ?
Answers
Answer:
Explanation: In the SIR model , the time to recover depends on several factors ,s
uch as the characteristics of the disease, effectiveness of treatment and the individual's immune response. The variable y is not typically used in SIR , so it is unclear how it relates to the time recover .
In SIR model, the recovery rate is reperesented by " 1/ gamma" Where gamma is a recovery rate . The recovery rate is the inverse of the average duration of the infectious period. So, if the infectious period is 5 , then the recovery rate would be 1/5 or 0.2.