Answer:
Tissue
Explanation:
The spleen and the thymus work together to fight infection. These organs together make up immune system.
What is immune system?The immune system defends the organism's body against external invaders. Toxins and germs such as bacteria, viruses, and fungi are examples of these (chemicals made by microbes).
The immune system is made up of various organs, cells, and proteins that collaborate.
The thymus and bone marrow, lymph nodes and vessels, spleen, and skin are all vital to the immune system's proper functioning.
The spleen filters and stores blood, as well as producing white blood cells to fight infection or disease.
The thymus gland is located in the upper chest, beneath the breast bone. It is responsible for the maturation of a specific type of white blood cell that fights off foreign organisms.
Thus, immune system encompasses spleen and thymus.
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Which of the following are types of Archaea?
Answer:
Your question was a bit vague... but Crenarchaeota, Euryarchaeota, Korarchaeota, Thaumarchaeota and Nanoarchaeota are the four types of Archaea.
Hope this helps!
Which of the following is an aspect of consciousness that is a key to self-control?
a. Countertransference
b. Selective attention
C. Centration
d. Cognitive dissonance
Answer:
a. countertransference
The variable that causes a change in another?
Answer:
Dependent Variable
Explanation: The dependent variable is the variable to be explained (the ‘effect”) and the independent variable is the variable expected to account for (the “cause” of) the dependent variable. Like Cause and Effect.
What's an invasive species?
A. A native species that begins to displace other local species
B. A species that invades an area because it has run out of space in the neighboring area
C. A species that's naturally expanding its range
D. A species that's introduced to a place where it's not native and then becomes widespread and competes with local species for the available resources
I believe the answer would be D
3. What basic concept of biology includes the idea
that new cells can be produced only by the divi
sion of existing cells?
Answer:
It would be the cell theory
Cell theory is the basic concept of biology includes the idea that new cells can be produced only by the division of existing cells.
What is cell theory?In biology, cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
A component of the cell theory is that all living things are composed of one or more cells. A component of the cell theory is that the cell is the basic unit of life. A component of the cell theory is that all new cells arise from existing cells.
All known living things are made up of cells. The cell is structural & functional unit of all living things. All cells come from pre-existing cells by division. (Spontaneous Generation does not occur).
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A solar panel collects sunlight and converts it to
heat or electrical energy. How is a solar panel
similar to chloroplasts?
Answer:
chloroplasts use photosynthesis to make food from the sun to survive.
Explanation:
they use the sun's energy as a kind of "go-go juice"
Which of the following best describes the formation of the bond shown in Figure 1 ?
А
An ionic bond is formed between a carbon atom of one amino acid and the nitrogen atom of the other amino acid,
B
An ionic bond is formed when the negative charge of an OH group is balanced by the positive charge of a hydrogen ion.
с
A covalent bond is formed between a carbon atom and a nitrogen atom along with the formation of H2O
D
A covalent bond is formed that replaces the hydrogen bond between the OH group and the H atom,
A covalent bond is formed between a carbon atom and a nitrogen atom along with the formation of H2O.
HOW PEPTIDE BOND FORMS:
Peptide bond is a bond that forms when two amino acids comes together. It involves the fusion of the amino group of one amino acid (NH2) and carboxyl group of another (COOH) with the release of water (H2O). Peptide bond is a type of covalent bond because it involves sharing of electrons between a carbon atom (C) and a nitrogen atom (N).Therefore, in the reaction shown in the image attached, a covalent bond is formed between a carbon atom and a nitrogen atom along with the formation of H2O.
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You are studying natural selection in a population of small marine invertebrates called isopods that live on pink corals. In this population, isopod body color is controlled by one gene with alternate alleles A and a. Isopods can be red (AA), pink (Aa), or white (aa); body size is controlled by another gene with alternate alleles B and b, and they can be large (BB or Bb) or small (bb). A new predator arrives on the reef that is extremely good at preying on isopods that are large and stand out against the corals on which they live (i.e., red or white individuals). Over time, which genetic individuals would you predict would become more abundant in the population with each subsequent generation?
Answer:
Aa, bb
Explanation:
Recall that this question calls our attention to the theory of evolution as postulated by Charles Darwin. Species that are well adapted to their environment are more likely to survive, reproduce and pass on these favourable characteristics to their offspring.
In this case, the coral reefs are pink and pink Isopod species with small bodies are likely to escape the predators. Hence the genetic combination Aa(pink body) and bb(small body) are more likely to survive and reproduce.
True or false? An ecosystem includes all living things (producers, consumers, decomposers) in an area and their nonliving environment
Answer:
True
Explanation:
Answer:true
Explanation:
What happens when ionic compounds dissolve in water?
a) Cations and anions are released into the solution
b) They split up H2O molecules into H and O
c) They stick to the wall of the beaker
d) They are transformed into non-metals
Taking into account the definition of ionic compound, the correct answer is option a): Cations and anions are released into the solution.
First, you have to know that an ion is an electrically charged particle.
Ionic bondSo, the ionic bond consists of the electrostatic attraction between ions with charges of opposite sign. This type of bond occurs between the chemical combination of a metal and a nonmetal.
Ionic compoundFinally, an ionic compound is made up of positive and negative ions, held together by electrostatic forces of attraction. Atoms of metallic elements tend to lose one or more electrons when combined with non-metallic atoms, and non-metallic atoms tend to gain one or more electrons.
As a result of this transfer of electrons, the metallic atom becomes a positive ion (called a cation) and the non-metallic atom becomes a negative ion (called an anion).
In other words, an ionic compound is a chemical compound made up of two substances with a significant difference in their electronegativities. It is formed preferably between metals and non-metals.
Ionic compounds dissolve in waterSo when ionic compounds dissolve in water, they separate into cations and anions, electrolytic dissociation occurs. This is because water becomes a conductor of electricity.
In summary, the correct answer is option a): Cations and anions are released into the solution.
Learn more:
https://brainly.com/question/21886996?referrer=searchResultshttps://brainly.com/question/20435320?referrer=searchResultshttps://brainly.com/question/9851456?referrer=searchResultshttps://brainly.com/question/7337039?referrer=searchResultsHe ar malignt tumors diferent from benign tumors?
Answer:
A tumor is an abnormal lump or growth of cells. When the cells in the tumor are normal, it is benign. Something just went wrong, and they overgrew and produced a lump. When the cells are abnormal and can grow uncontrollably, they are cancerous cells, and the tumor is malignant.
Explanation:
How much eroded sediment is carried to the oceans of the world each year.
25 million pounds
100 million pounds
25 billion tons
Answer:
25 billon
Explanation:
doing same thing.
Answer:
C
Explanation:
What two body parts must be cleaned before food preparation
Answer:
hand and arms
Explanation:
Wet hands with running water, (at least 1000F)
Apply soap.
Vigorously scrub lathered fingers, fingertips, and between fingers. And scrub hands & arms for at least 10-15 seconds.
Rinse under clean running water.
Dry clean hands/arms.
Hands and arms must be cleaned before food preparation. Thus option B is correct.
what is personal hygiene for food preparation ?Good personal hygiene can prevent food poisoning.
Bacteria that cause food poisoning can be found in anyone, even healthy people. If you touch your nose, mouth, hair or clothes before touching the food, you can transfer germs from yourself to the food.
Washing your hands well can reduce the risk of contaminating food with bacteria.
Wash your hands with warm water and soap, and don't forget the backs of your hands and wrists, between your fingers and under your nails.
Dry hands well immediately after washing. Always dry your hands with a clean towel or disposable paper or under a dryer.
Therefore, we must keep our hands and arms clean before food preparation. Thus, option B is correct.
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Your question is incomplete, but most probably full question was,
What two body parts must be cleaned before food preparation?
A. Hands and face
B. Hands and arms
C. Arms and face
D. Arms and ears
Place the following steps of endomembrane system function in the correct order.
1. Golgi apparatus receives transport vesicles from the RER.
2. Ribosomes on the RER synthesize proteins.
3. Proteins are packaged into transport vesicles.
4. Modified proteins may be secreted from the cell by exocytosis.
5. Proteins are modified by the Golgi apparatus.
A. 2, 4, 3, 1, 5
B. 3, 2, 1, 4, 5
C. 1, 2, 3, 5, 4
D. 2, 3, 1, 5, 4
Answer:
D
Explanation:
The correct option here would be D.
The endomembrane system refers to a group of membrane-based organelles whose primary function is to synergistically work together to modify, package, and transport lipids and proteins. The system includes organelles such as the lysosome, the nuclear envelope, the endoplasmic reticulum, and the Golgi apparatus.
For an endomembrane system function involving a protein, the protein would first of all need to be synthesized by the ribosome - the free ones or the ones attached to the rough endoplasmic reticulum. Thereafter, the synthesized protein would then be folded or packaged into transportable vesicles. The vesicles are then received by the Golgi apparatus which further modifies the proteins before transporting them accordingly.
Hence, the correct order of a typical endomembrane system function would be:
Ribosomes on the RER synthesize proteins.Proteins are packaged into transport vesicles.Golgi apparatus receives transport vesicles from the RER.Proteins are modified by the Golgi apparatus.Modified proteins may be secreted from the cell by exocytosis.Protein synthesis involves transcription and translation. Once the protein is synthesized, it suffers a few modifications in the RER and the Golgi complex, before leaving to its final destiny. The correct option is D. ⇒ 2, 3, 1, 5, 4
Protein synthesis and modificationTranscription ⇒ mRNA syntheisThe first step before protein synthesis begins is to synthesize messenger RNA, mRNA.
This is the coping process of the DNA section for the desired protein, and it happens in the nucleus.
Translation: Cytoplasm stageTranslation takes place when the formed mRNA moves to the cytoplasm through the nucleus membrane pores, and meets a ribosome.
Ribosomes are organelles composed by the association of proteins with rRNA and tRNA. They can be found in the rough endoplasmic reticulum or floating in the cytosol.
While the ribosome reads mRNA strain from its 5´ extreme to 3´, tRNA adds the correct amino acids to build the polypeptide.
Endoplasmic Reticulum StageSome proteins are destined for membrane or exportation. Their synthesis starts in the cytoplasm but finishes in the Rough endoplasmic reticulum.
When the ribosome and the growing molecule reach the RER, the synthesizing protein keeps enlarging forward the reticulum lumen.
When the new polypeptide synthesis is complete, it is released into the reticulum lumen.
The endoplasmic reticulum is in charge of protein folding, maturation, and transport, especially those destined for secretion. It produces the latest protein modifications after transduction and initiates the glycosylation process.
The new proteins get packaged into vesicles that carry them to the Golgi complex.
Golgi complex stageOnce the protein synthesis in the endoplasmic reticulum is over, these molecules are packaged into vesicles and sent to the Golgi complex.
In the Golgi complex, proteins suffer their final association with carbohydrates and lipids to originate glycoproteins and glycolipids.
Destiny stageGlycoproteins and glycolipids are packaged again into new vesicles that drive them to their final destiny.
Proteins destined for exportation are packaged and sent from the Golgi complex to the cell membrane into vesicles.
When the secretory vesicle reaches the target, its membrane fuses with the cell membrane, releasing its content to the extracellular space. This secreting process is known as exocytosis.
According to this resume about protein synthesis, we can say that the correct order is option D. ⇒ 2, 3, 1, 5, 4
2. Ribosomes on the RER synthesize proteins.
3. Proteins are packaged into transport vesicles.
1. Golgi apparatus receives transport vesicles from the RER.
5. Proteins are modified by the Golgi apparatus.
4. Modified proteins may be secreted from the cell by exocytosis.
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14)The lower jaw articulates with the temporal bone at the ?
Answer:
Entre ambas se encuentra la escotadura sigmoides. El cóndilo en estado fresco se encuentra recubierto por fibrocartílago y se articula con la fosa mandibular (o cavidad glenoidea) del hueso temporal, constituyendo la articulación temporomandibular o ATM, situada por delante del conducto auditivo externo.
Explanation:
Villi____?
A: are found in the large intestine
B: release bile into the small intestine
C: pass digested food into the blood
D: allow blood to enter the small intestine
Please help me I will try to give branliest, and give more points than usual.
Do not answer if you do not know.
Answer:
B.
Explanation:
release bile into the small intestine
Answer:
D
Explanation:
RELEASE BILE INTO SMALL INTESTINE
IS INVORRECT
In what way are all living organisms on Earth Similar?
Answer:
They are all made from a code based on unsaturated fatty acids. They are all assembled from a nucleic acid code.
Explanation:
they reproduce to prevent extinction
they breathe
they move from one place to another
they carry out respiration to provide energy for daily activities
they feed
they react to changes in the environment
A(n) ___ lens has a center that is thicker than its edge.
Answer:
convexHope this helps
1. Why are viruses considered nonliving but bacteria are considered living? Give two reasons. (1 point)
Answer:
-Viruses cannot replicate.
-Viruses do not need to consume energy to survive or regulate its own temperature.
Explanation:
<3
Viruses are not able to replicate or carry out any of the functions of living cells on their own. They rely on the machinery of the host cell in order to replicate and produce new viruses, and they are not able to carry out functions such as metabolism, growth, or reproduction on their own.
Why viruses are considered non-living?Viruses are much simpler in structure than bacteria and other living cells. They do not have a true cell structure or any of the characteristic cell organelles found in living cells, such as a nucleus, mitochondria, or endoplasmic reticulum. Instead, they are composed of a small piece of genetic material (either DNA or RNA) surrounded by a protein coat.Learn more about viruses, here:
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______ is a disease that results in bowed legs and other bone deformation
Answer: Rickets
Explanation:
Rickets is a bone disease caused by children it says in studies but yes it is rickets
Solve this question?
Answer:
Tissue level
Explanation:
]
In these chemical compounds, C is for carbon, O is for oxygen, N is for nitrogen, and K is for potassium.
Which chemical compound is most likely inorganic?
O H₂O
OCH1
Answer:
the firt one.
Explanation:
it lacks the thing that makes organic things.
In the model of the cycle of energy above, what is job of the sun?
Answer:
the job of the sun is to give light and energy to plants for photosynthesis which plants turn the light energy to chemical energy then give the chemical energy to animals and then it starts all over again and again.
Explanation:
There was a crisis situation . You have two patients , on have A blood . Both patients are in critical condition blood . You have one pint of A- blood and one pinto which patient and why ? (Hint : which patient is more antigen before or after the transfusion ? ) male and one female who each one needs one pint of would you give to have an exposure to Rh O blood more likely to have an
Answer:
Explanation below
Explanation:
There are different form or type of blood group. These include blood group A, B, AB and O.
The blood group AB is usually known as the universal recipient while the blood group O is the universal donor.
A universal donor can donate blood to all other blood groups, while the Universal recipient can receive blood from all other blood groups.
In this case, two patients, one with blood group A and the other with blood group AB, with only one available group A type pint for transfusion. The best thing to do in this case is to give the blood to group A patient and get any other blood group pint of blood for the group AB patient. This is because the blood group AB patient can receive blood from any of the blood groups.
Which of the following is NOT one of the three cellular structures? Cell (plasma) membrane Cytoplasm Cytokinesis Organelles
Answer:
cytokinesis is your answer
Which is FALSE? First exclude the four correct answers. Which is FALSE? First exclude the four correct answers. The leaves are only a small part of the plant and must produce enough energy-rich sugars to support all non-green parts like roots or flowers. Only when overall photosynthetic activity is greater than overall respiration activity of the whole plant can the plant accumulate biomass and grow. Sugar produced in photosynthesis must support the plant’s energy needs both day and night. Leaves perform more photosynthesis than respiration because they don’t have mitochondria. In trees that drop their leaves over the winter, some sugar produced in one year is stored in stems or roots and fuels the production of new leaves in the next year.
Answer:
1 .The leaves are only a small part of the plant and must produce enough energy-rich sugars to support all non-green parts like roots or flowers --TRUE.
2.Only when overall photosynthetic activity is greater than overall respiration activity of the whole plant can the plant accumulate biomass and grow--TRUE.
3.Sugar produced in photosynthesis must support the plant’s energy needs both day and night TRUE.
4. In trees that drop their leaves over the winter, some sugar produced in one year is stored in stems or roots and fuels the production of new leaves in the next year TRUE.
The statement that is FALSE is
Leaves perform more photosynthesis than respiration because they don’t have mitochondria.
Explanation:
The statement that is FALSE is
Leaves perform more photosynthesis than respiration because they don’t have mitochondria and it is false because leaves contain both mitochondria and chloroplast.
The plants leaves have chloroplast, an organelles that house the chlorophyll which help its to photosynthesized. Plants also require ATP to carry out cellular activities and need oxygen to breakdown sugars produced from photosynthesis to produce ATP, because of this, they need mitochondria to achieve this and that is why they have mitochondria.
In the night, when there is no sunlight, plants perform respiration, they use oxygen to break the sugars they produced in order to produce ATP.
Which of the following is not found in the plasma membrane
Answer:
E
Explanation:
Hope this helps
In this section write a short paragraph about photosynthesis using the following words in a meaningful way ; Photosynthesis, water, roots, glucose, leaves, sunlight, carbon dioxide, stomata
Answer:
Photosythesis is the process of which plants make oxygen and also gulcose. This process happens when the plants uses their roots to taken in water in the ground and also anchor themselves in the ground. The stomata in the leaves take in carbon dioxide and the sunlight and using theses materials the plants create glucose and oxygen we breath.
Where does the oxygen needed for aerobic respiration come from?
Why is caffeine used for heart rate experiments
