who or what
btw this is 6th grade science and this is not a true or false question
Answers
answer:
this is the cell theory, which was proposed by Theodor Schwann in 1839
explanation:
in biology, cell theory is the historic scientific theory it states that living organisms are made up of cells, they are the basic structural/organizational unit of all organisms and all cells come from pre-existing cells.Answer:
This is called cell theory. This was first proposed by Theodor Schwann and became an important part of science today.
Related Questions
Even though it is heavily debated, solitary confinement continues to be used in the prison system. What are some of the ethical arguments against using this technique?
** CRIMINAL JUSTICE 20 POINTS **
Answers
Answer:
system.
Cruel and inhumane treatment: Some argue that solitary confinement constitutes cruel and inhumane treatment, as it can cause severe psychological harm to inmates. Being isolated for extended periods of time can lead to anxiety, depression, hallucinations, and other mental health issues.
Lack of rehabilitation: Solitary confinement is not effective in rehabilitating prisoners. Instead, it can make inmates more violent and unstable, as they have no access to education, therapy, or other forms of rehabilitation.
Violation of human rights: Solitary confinement violates the human rights of prisoners, as it deprives them of basic needs such as social interaction, natural light, and fresh air. It also denies them the right to due process and the ability to challenge their confinement.
Disproportionate use: Solitary confinement is often used disproportionately against marginalized groups such as people of color, LGBTQ+ individuals, and those with mental illnesses. This can perpetuate systemic discrimination and inequality within the prison system.
Ineffective as a deterrent: Solitary confinement has not been proven to be an effective deterrent against crime. Rather, it can perpetuate a cycle of violence and trauma, leading to higher rates of recidivism.
Overall, these ethical arguments suggest that the use of solitary confinement should be reconsidered and alternative forms of punishment and rehabilitation should be explored.
Explanation:
Answer:
Solitary confinement, also known as segregation or isolation, is a form of punishment where an inmate is kept in a cell for 22-24 hours a day with little to no human interaction. This practice has been criticized for its severe impact on mental health, and has raised several ethical concerns. One of the primary arguments against the use of solitary confinement is that it violates the Eighth Amendment, which prohibits cruel and unusual punishment. The United Nations has also condemned its use as a form of torture, as it can lead to psychological and physical harm.
Explanation:
Which of the following structures in an ascomycete is haploid? A. basidium B. ascus C. ascospore D. ascocarp
Answers
The structure in an ascomycete that is haploid is the ascus.
In ascomycetes, the ascus is the structure where sexual reproduction takes place. It contains the ascospores, which are the result of meiotic division. The ascus is formed from the fusion of two haploid nuclei, one from each parent, to form a diploid nucleus. This diploid nucleus then undergoes meiosis, resulting in the formation of haploid ascospores. These ascospores are the reproductive units that can be dispersed and give rise to new haploid individuals. Therefore, among the given options, the ascus is the structure that is haploid, as it contains the haploid ascospores. The basidium is a structure found in basidiomycetes, and the ascocarp is the fruiting body of an ascomycete, both of which are not haploid structures.
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the lowest level of a stimulus needed for the nervous system to detect a change half the time is called the .
Answers
The lowest level of a stimulus needed for the nervous system to detect a change half the time is called the "absolute threshold."
The absolute threshold is a key concept in sensory and perceptual psychology. It refers to the minimum intensity of a stimulus that can be detected by an individual's nervous system 50% of the time. In other words, it is the point at which a stimulus is strong enough to be perceived but not so strong that it is consistently detected.
The determination of an absolute threshold varies for different senses and individuals, as it depends on factors such as age, experience, and sensitivity of the sensory organs. To measure the absolute threshold, a series of trials are conducted, in which the stimulus intensity is gradually increased or decreased until it is detected by the participant in half the time.
Understanding the concept of absolute threshold is important in various applications, such as designing products that are easily noticeable by users, setting safety standards, and conducting research in sensory and perceptual psychology. By knowing the absolute threshold, we can better understand how our sensory systems function and process information from the environment.
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Which solution would be better to implement? Justify your awnser
Answers
Answer:
??
Explanation:
There isn't any particular question how are we supposed to justify our answer!
Humans develop malaria after the injection of Plasmodium ____________________ into the bloodstream by an infected female Anopheles mosquito when she takes a blood meal.
Answers
Answer: sporozites
Explanation:
Malaria involves cyclical infection of humans by infected female Anopheles mosquitoes. In humans.
this mosquitos are parasites and they grow first in the liver cells and multiply, after which they grow in the red cells of the blood. When
Gametocytes a form of blood stage parasite is taken in during blood feeding by a female Anopheles mosquito they multiply by mating in the mosquito gut after which they form a sporozites after 10-18days. This sporozites moves to their salivary gland such that when they feed on human blood the sporozite plasmodium is injected into human body from where they move to the liver and begin their life cycle.
What is the third step in cellular respiration? (1 point)
the Krebs cycle
the electron transport chain
glycolysis
the citric acid cycle
Answers
On the inner membrane of the mitochondrion, electron transport, the third and final stage of cellular respiration, takes place. Down an electron-transport chain, electrons are moved from one molecule to the next. Thus, option B is correct.
What is the significance of electron transport chain?
Cellular respiration depends on the electron transport chain (ETC). It ends with: The majority of the ATP molecules, which are produced during oxidative phosphorylation.
The electron transport chain, another name for the oxidative phosphorylation process, is made up of four protein complexes that combine redox activities to create an electrochemical gradient.
That results in the production of ATP. Both photosynthesis and cellular respiration take place in mitochondria.
Therefore, electron transport chain is the third and final step of cellular respiration.
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YO WHO WANTS 20 POINTS TELL ME WHAT"S YOUR ANSWER DO YALL THINK DINOSAURS ARE BIRDS OR REPTILES
Answers
Answer:
both
Explanation:?
what structural level of a protein does the bromelain enzyme destroy?
Answers
Bromelain is a proteolytic enzyme found in pineapple that has the ability to break down proteins. It primarily targets the structural level of a protein known as the tertiary structure.
The structure of a protein can be described at different levels: primary, secondary, tertiary, and quaternary. The primary structure refers to the linear sequence of amino acids in the protein chain, while the secondary structure involves the folding of the protein chain into alpha-helices and beta-sheets. The tertiary structure is the three-dimensional arrangement of the secondary structure elements, giving the protein its overall shape and stability. The quaternary structure applies to proteins with multiple subunits. Bromelain acts on the tertiary structure of proteins by cleaving the peptide bonds that hold the amino acids together. This results in the disruption of the protein's three-dimensional structure, leading to its denaturation and loss of function. By targeting the tertiary structure, bromelain can effectively break down proteins into smaller peptides and amino acids, facilitating their digestion and absorption in the gastrointestinal tract. It is often used as a meat tenderizer or in the production of dietary supplements for its proteolytic activity.
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What type of coloring is found predominantly on female cats?.
Answers
Calico is the type of coloring that is found predominantly on female cats. Calico is a type of coloring which is found mainly in female cats.
It is also sometimes referred to as tricolor because it includes three colors: white, black, and orange. These colors can occur in any combination, but it is typically a mixture of white with black and orange patches. The calico coloring in cats is caused by a sex-linked gene, which is located on the X chromosome.
Females have two X chromosomes, while males have one X and one Y chromosome. Because the calico gene is sex-linked, females have a higher chance of inheriting this coloration. Male calico cats are extremely rare, as they must have two X chromosomes and one Y chromosome to inherit the calico gene.Therefore, calico coloring is found predominantly on female cats.
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Which organ works in the digestive AND excretory systems? *
Pancreas
Liver
Small intestine
EsophagusWhich body systems need water to function properly?
Answers
2. Kidney
The compound Iron (II) sulphate consists of A.Iron and sulphur B. Iron and
silicon C. Iron and silver D. Iron and tin
Answers
Answer:
A. Iron and sulphur
Explanation:
It also contains oxygen
\({ \bf{formula}} : { \sf{FeSO_{4}}}\)
In pea plants there is a dominant allele (A) for green pods and a recessive allele (a) for yellow pods. Suppose a heterozygous plant is crossed with a plant that has yellow pods. Complete the sentences about this monohybrid cross with the correct terms.
The phenotype of the heterozygous plant is
The genotype of the heterozygous plant is
The genotype of the plant with yellow pods is
The genotype of the gametes produced by the heterozygous plant is
The genotype of the gametes produced by the plant with yellow pods is
The expected frequency of F_1 plants with yellow pods is
The expected frequency of F_1 plants with the genotype AA is
Aa
75% A and 25% a
25%
50% A 50% a
0%
green pods
75% AA and 25% Aa
AA
yellow pods
75%
aa
50%
100% A
100% a
Answers
Answer and Explanation:
The phenotype of the heterozygous plant is green podsThe genotype of the heterozygous plant is AaThe genotype of the plant with yellow pods is aaThe genotype of the gametes produced by the heterozygous plant is 50% A 50% aThe genotype of the gametes produced by the plant with yellow pods is 100% a The expected frequency of F_1 plants with yellow pods is 50%The expected frequency of F_1 plants with the genotype AA is 0%Cross) a heterozygous plant is crossed with a plant that has yellow pods
Parental) Aa x aa
Phenotype) Green pods Yellow pods
Gametes) A a a a
50% 50% 100%
Punnet Square) A a
a Aa aa
a Aa aa
F1) 2/4 = 1/2 = 50% Aa, Plant with Green pods
2/4 = 1/2 = 50% aa, Plant with Yellow pods
In the given case, the correct terms are:
The phenotype of the heterozygous plant is green pods The genotype of the heterozygous plant is Aa The genotype of the plant with yellow pods is aa The genotype of the gametes produced by the heterozygous plant is 50% A 50% a The genotype of the gametes produced by the plant with yellow pods is 100% a The expected frequency of F_1 plants with yellow pods is 50% The expected frequency of F_1 plants with the genotype AA is 0%It is given that A gives green color which is dominant and a gives yellow pods which is a recessive trait. So in heterozygous conditions, only the dominant character will express itself therefore green color pods
The phenotype of heterozygous plants is Green podsIn heterozygous conditions, the alleles of a genotype are different. Therefore one allele is A and the other is a
The genotype of the heterozygous plant is AaThe yellow color of pods is a recessive trait and recessive trait if expressed only in the same alleles conditions that mean it is given by allele a. Therefore, the genotype of yellow pods is aa
The genotype of the plants with yellow pods is aaThe alleles in the heterozygous conditions are A and a so half of the gametes will have A and the other half have a
The genotype of gamete produced by heterozygous plants are 50% A and 50% aThe yellow pods are obtained by genotype aa. All the gametes are a
The genotype of gametes produced by the plants with yellow pods is 100% aCross:
A a
a Aa aa
a Aa aa
In the cross, there are 2 genotypes produced as aa out of four. So 2/4 × 100 will give 50%
The expected frequency of F1 plants with yellow pods is 50%There are no genotypes obtained as AA in the cross. Therefore, 0 out of 4 offspring will give 0%
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What are three organs that could be part of a mollusk respiratory system?
Answers
2. Mantle cavity
3. Pulmonary sac
at the end of termination, do the small and large ribosomal subunits separate from one another, and the polypeptide is released?
Answers
At the end of termination, the small and large ribosomal subunits separate from one another, and the polypeptide is released.
Thus, the correct answer is "Yes, they do".
Terminаtion happens when trаnslаtion ends when the ribosome reаches а STOP codon (UАА, UАG or UGА). There аre no tRNА molecules with аnticodons for stop codons, insteаd protein releаse fаctors recognize these codons when they аrrive аt the А site. Binding of а releаse protein cаuses the polypeptide (protein) to be releаsed from the ribosome. The ribosome subunits dissociаte (split) from eаch other аnd cаn be reаssembled lаter for аnother round of protein synthesis.
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Which two human activities are believed to be the greatest contributors to global warming?
A) nonnative species introduction and the burning of fossil fuels
B) deforestation and the burning of fossil fuels
C) deforestation and nonnative species introduction
D) non-sustainable harvesting and nonnative species introduction
Answers
Answer:
B) deforestation and the burning of fossil fuels
Explanation:
If we keep on going at the rate we're going then we're gonna end.
Answer:
bbbbbbbbbbbbbbbbbbbbb
Explanation:
Pls solve. will mark brainliest for correct answer and good explanation.
Answers
Answer:
C. Out of the leaf by diffusion.
Explanation:
Osmosis: Osmosis is the movement of solvent particles across a semipermeable membrane from a dilute solution into a concentrated solution. The solvent moves to dilute the concentrated solution and equalize the concentration on both sides of the membrane.
Examples of Osmosis: Examples include red blood cells swelling up when exposed to freshwater and plant root hairs taking up water. To see an easy demonstration of osmosis, soak gummy candies in water. The gel of the candies acts as a semipermeable membrane.
Diffusion: Diffusion is the movement of particles from an area of higher concentration to lower concentration. The overall effect is to equalize concentration throughout the medium.
Examples of Diffusion: Examples of diffusion include the scent of perfume filling a whole room and the movement of small molecules across a cell membrane. One of the simplest demonstrations of diffusion is adding a drop of food coloring to water. Although other transport processes do occur, diffusion is the key player.
Based on the above information, your answer is most likely
C. Out of the leaf by diffusion.
Key words and phrases:
osmosis, diffusion, particles, transport, molecules, solvent, semipermeable, membrane, concentration, medium, dilute solution, concentrated solution, solvent, solution
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artificial opening between the urinary bladder and aspects of the large intestine a. bph (benign prostatic hyperplasia) - normal kidney that fails to ascend into the abdomen but remains in the pelvis b. urinary incontinence - age-associated enlargement of the prostate gland c. ectopic kidney - large stone that grows and completely fills the renal pelvis d. vesicocolonic fistula - fusion of the kidneys during development of the fetus e. staghorn kidney stone - constant or frequent involuntary passage of urine f. horseshoe kidney
Answers
Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.
During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.
Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.
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Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.
During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.The term "Vesicocolonic fistula" refers to an artificial opening between the urine bladder and portions of the large intestine. A vesicocolonic fistula is a connection between the urine bladder and the large intestine that is abnormal. This can be caused by a number of causes, including prior surgery.
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What is the reservoir of Treponema pallidum?
A) Laboratory mice
B) Armadillos
C) Herbivorous animals
D) Humans
E) Soil
Answers
The reservoir of Treponema pallidum is humans.
Treponema pallidum is a species of spiral-shaped, motile bacterium with endoflagella that causes the Sexually Transmitted Disease (STD) syphilis. It is the causative agent of syphilis and belongs to the phylum Spirochaetes, which contains numerous related bacterial species.
However, to answer the question directly, humans are the reservoir for Treponema pallidum. This bacterium can thrive and grow only in humans. Sexual contact is the most common mode of transmission, but the organism can also be disseminated from mother to fetus during pregnancy, childbirth or delivery. Treponema pallidum is most commonly present in areas with high population density and inadequate health-care facilities. Sexual activity is the primary means of spreading the disease, although it can also be spread through nonsexual contact with infected blood or tissues. The bacterium cannot survive for long durations outside the human body and cannot be found in soil, herbivorous animals, laboratory mice or armadillos.
Therefore, the correct answer is Option D) Humans.
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2. Which of the following is evidence used to support cell theory? (Choose all that apply)
Cells from different organisms have similar parts.
All living and nonliving things are made of cells.
I Animals are made from cells, but plants are not.
All plants and animals are made of cells.
Answers
which group of non-prokaryotic organisms studied in microbiology typically have two life cycle stages: trophozoite and cyst? select one: a. fungi b. protozoa c. parasitic helminths d. viruses
Answers
The group of non-prokaryotic organisms studied in microbiology that typically have two life cycle stages: trophozoite and cyst are protozoa. The correct option is B
What is protozoa ?
Unicellular eukaryotic organisms known as protozoa can be either parasitic or free-living. They are categorized according to how they move, with amoebas, ciliates, flagellates, and sporozoans serving as some typical examples.
The protozoan is in its active, feeding, and reproducing stage during the trophozoite stage, whereas the cyst stage is a latent, resting state that enables the organism to withstand challenging circumstances like dryness, freezing, or nutrition deprivation.
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WHAT problem was the electric toothbrush supposed to solve?
Answers
Answer:
Brushing too hard can erode the enamel on your teeth and cause gum recession. Many electric toothbrushes can solve this problem, too. They have pressure sensors that warn you if you're pressing too hard. That way, you can develop a proper touch that will remove plaque, but not damage your teeth and gums.
Explanation:
Electric toothbrush bristles vibrate or rotate to help you remove plaque buildup from your teeth and gums. The vibration allows for more micro-movements every time you move your toothbrush across your teeth
Repeat the process again when one parent is heterozygous black and the other is
homozygous brown.
Genotypes:
% homozygous black fur (BB)
% heterozygous black fur (Bb)
% homozygous brown fur (bb)
Phenotypes:
% black fur
% brown fur
Answers
Answer:
genotypes:
0% homozygous black fur (BB)
50% heterozygous black fur (Bb)
50% homozygous brown fur (bb)
phenotypes:
50% black fur
50% brown fur
Explanation:
B b
b . Bb bb
b . Bb bb
Balance the following equations
Answers
Answer:
Steps for balancing a chemical equation :
Write the chemical equation for the reaction.Count the number of atoms of each element present on the reactant and product side.Adjust the coefficients of the equation such that the number of atoms of each element is equal on both sides.Check the equation to ensure that it is now balanced.Double check your work to make sure the equation is balanced and correct.Please see the attached picture! Hope this helps! Enjoy Learning<3
The available blood supply is just one pint each of
A+, AB-, B-, and O+. Which pint must each of the four patients receive?
Patient 1:A+,AB-,B-,O+
Patient 2: A+,AB-,B-,O+
Patient 3: A+,AB-,B-,O+
Patient 4: A+,AB-,B-,O+
Answers
The O+ blood group is a universal donor and can donate to any other blood group that is rhesus positive.
What is universal donor?A universal donor is a blood group which is able to donate blood to every other blood group. This is possible because of the lack of an antigen which will react with an antibody to form agglutination.
The O+ blood group is a universal donor and can donate to any other blood group that is rhesus positive.
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Answer: IN THE PICTURE BELOW
Explanation: JUST TOOK THE TEST
please answer this , it's very important
Answers
2. condensation
3. precipitation
4. interception
5. infiltration
6. percolation
7. transpiration
8. runoff
9. storage
in the splicing step of gene expression, ______ are spliced out, and ________ are stitched together.
Answers
In the splicing step of gene expression, introns are spliced out, and exons are stitched together.
What is gene expression?Gene expression refers to the process of protein synthesis that begins with a gene in DNA and finishes with a functional protein. The genetic code is translated to make protein during gene expression. Gene expression is a complex process that requires many different molecules, including RNA polymerases, transcription factors, and other regulatory proteins.
In eukaryotic cells, pre-mRNA is modified before it exits the nucleus. RNA splicing is a crucial aspect of pre-mRNA processing, in which non-coding introns are excised and exons are joined to produce mature mRNA molecules. The splicing process is carried out by a complex machinery consisting of small nuclear ribonucleoprotein particles (snRNPs).
The snRNPs in spliceosomes recognize introns and bring together the flanking exons for precise excision. Intron removal is followed by the ligation of exons, which results in the formation of a mature mRNA molecule that can be exported from the nucleus to the cytoplasm, where it can be translated into a functional protein.
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Identify and describe something that has a particular structure.
Answers
Answer:
The red blood cell?
Explanation:
Because the red blood cell is known to have a specific structure, it exhibits a round appearance. Its structure will only change when the body suffers from a lack that alters its form or structure.
What's the red blood cell?
"A type of blood cell that is made in the bone marrow and found in the blood. Red blood cells contain a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body."
-National Cancer Institute (.gov)
Which of the following is NOT a true statement about organs?
A) An organ represents a higher level of structure than the tissues composing it.
B) An organ consists of several tissues.
C) An organ can carry out only the functions of its component tissues.
D) An organ consists of many cells.
Answers
which would not be able to pass through the filtration membrane of a functional nephron?
Answers
Answer:
membrane of the kidneys are d. proteins.
Explanation:
can someone help as soon as possible!
Answers
Answer:
Option 3
Explanation:
The sperm and egg cell have 23 chromosomes whereas the parent has 46
The sperm and the egg cell's structure and genetic make-up is different from each other.