Animals, Plants, and Fungi are multicellular, meaning that they have more than one cell in their body. Each cell also has a nucleus in it, a property which the other two kingdoms, Bacteria and Eubacteria don't have.
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What was done to overcome the problem of the MSL landing?
1. A pulley system was created
2. A parachute was used
3. A tether and roper were used
4.More airbags were used
The spacecraft descended on a parachute, then during the final seconds before landing, the final landing system was a tether and rope!
2. A parachute was usedWhat is MSL?Mars Science Laboratory is a designation of a NASA space probe, launched on November 26, 2011, carrying inside a robot named Curiosity, a rover similar to the Spirit and Opportunity vehicles, used in the Mars Exploration Rover space mission for the planet exploration.
To solve the problem, engineers designed the kit to cut the parachute and use rockets for the final part of the landing sequence. About 60 feet (18 m) above the surface, the MSL's "sky crane" was deployed. The landing assembly hung the rover below the rockets using a 6 m rope.
With this information, we can conclude that A parachute was used to overcome the problem of the MSL landing
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For a patient with respiratory acidosis chronic compensation by the body will include?
For a patient with respiratory acidosis chronic compensation by the body will include protein buffering.
What is protein?Protein is defined as the large macromolecules and biomolecules that are made up of long chains of amino acid. There is various function of protein such as DNA replication, speeding up chemical reaction, and helps to maintain the structure of cell.
The main function of protein is to maintain the structure and function of organs, repair muscle, and muscles. Diet contain high protein is recommended for the purpose of losing weight, reducing fat, or increasing fat.
There are several types of protein such as structural protein, transport proteins, antibodies, contractile proteins, hormonal proteins, and enzymes.
Therefore, For a patient with respiratory acidosis chronic compensation by the body will include protein buffering.
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Sometimes prokaryotic cells are surrounded by a gelatinous, sticky substance. what is this structure called?
This structure is called glycocalyx.
Glycocalyx- The cell is surrounded by a thick gel-like meshwork called the glycocalyx, which acts as a physical barrier for anything attempting to enter. For instance, it's been shown that the glycocalyx is essential for guarding against pathogens getting inside cells.
Cell- The smallest unit in biology that can sustain life on its own and makes up all living things as well as the body's tissues.
Tissue- A collection of cells with similar structures and functions is referred to as a tissue. The intercellular matrix, a nonliving substance, fills the gaps between the cells. There could be a lot of this in certain tissues and not much in others.
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The phosphotransferase system is classified as a form of active transport because:________
The phosphotransferase system is classified as a form of active transport Because ATP is hydrolyzed and changes the solute's structure as it enters the cell, the phosphotransferase system is categorized as an example of active transport.
What is ATP?
Adenosine 5′-triphosphate, generally known as ATP and typically written without the 5′-, is an essential "energy molecule" found in all living organisms. In particular, it is a coenzyme that transfers energy to cells by releasing its phosphate groups when it interacts with enzymes like ATP triphosphatase. The molecule is composed of an adenine bicyclic system, a furanose ring, and a triphosphate chain.
In 1929, two research teams claimed the discovery of ATP. At Harvard Medical School, Cyrus H. Fiske and Yellapragada Subbarow isolated it from mammalian muscle and liver (Boston).
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Binding of neurotransmitters to receptors opens or closes _______-gated ion channels, leading to a local potential (aka postsynaptic potential).
Binding of neurotransmitter to receptors open or closes ligand ion gated calcium channels leading to a local potential.
What do calcium channels do in neurons ?Calcium channels mediate numerous important physiological processes, and are abundant in many in many types of cells . In neurons, Voltage gated Ca+2 channels are expressed in plasma membrane compartment and they are involved in regulating cell excitability ,gene transcription and synaptic transmission.
Ligand gated channels are composed of 3-4 protein subunits that form a pore.
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The binding of a molecule to a cell-surface receptor may result in the activation of another molecule within the cell which, in turn, causes an alteration in cell function. What is this molecule within the cell called?.
Adjacent cells cling to one another with the aid of cell adhesion molecules, which are present on the cell surface. When a chemical binds to a cell-surface receptor, it may stimulate another molecule inside the cell to become active, which changes how the cell functions.
What function does a cell serve?From bacteria to humans, cells give all living things their structure and functionality. They are regarded as the tiniest form of life by scientists. The cell membrane, the nucleus, and the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibres and hundreds or even thousands of tiny, unique structures known as organelles can be found in the cytoplasm.
The biological machinery that creates the proteins, chemicals, and signals necessary for every process in our body is housed within cells.
The interior of the cell is divided into many organelles that are each surrounded by a distinct membrane. The genetic material required for cell growth and reproduction is stored in the nucleus, a primary organelle. Each cell has a single nucleus and cytoplasmic organelles that are membrane-bound.
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Proteins called ________ surround/associate with dna to help organize it. these proteins can be modified to alter gene expression.
Proteins called histones to surround/associate with DNA to help organize it. these proteins can be modified to alter gene expression.
What is DNA?All known animals and many viruses contain genetic information in the form of a polymer called DNA, which is made up of two polynucleotide chains that wrap around each other to create a double helix. Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four major classes of macromolecules required by all known life forms, along with proteins, lipids, and complex carbohydrates (polysaccharides). Because both strands of DNA are made up of simpler monomer units called nucleotides, they are called polynucleotides. Each nucleotide consists of a phosphate group, a deoxyribose sugar, and one of four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).To learn more about DNA, refer to the following link:
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What is the unit of analysis that can be inferred from the following hypothesis? hypothesis: with the introduction of dna evidence, guilty pleas have increased over time.
Guilty plead is the unit of analysis that can be inferred from the following hypothesis.
How do you analyze DNA evidence?The overall method entails: the separation of DNA from a sample of evidence containing DNA of unknown origin; and, typically subsequently, the separation of DNA from a sample (such as blood) from a known individual; the processing of the DNA so that test results may be produced.
How has DNA analysis been used in criminal cases?The analysis of biological evidence from the crime scene and comparison with criminal profiles in DNA databases can be used to identify the perpetrator in situations when a suspect has not yet been named. DNA databases can be used to connect crime scene evidence to other crime scenes.
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Static charges can cause explosions and fires wherever there are flammable materials.
True
False
Answer:
true
Explanation:
because Under certain circumstances, a discharge of static electricity can create the spark that starts a fire or triggers an explosion.
The most important cell in the acute inflammatory response is an actively phagocytic cell called the ____________.
The most important cell in the acute inflammatory response is an actively phagocytic cell called the polymorphonuclear leukocyte.
What is a polymorphonuclear leukocyte?A polymorphonuclear leukocyte is a specialized immune cell that acts to eliminate and/or remove pathogenic agents by triggering inflammatory immune responses in the human body.
In conclusion, the most important cell in the acute inflammatory response is an actively phagocytic cell called polymorphonuclear leukocytes, which are neutrophils.
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The right ventricle contracts next, which forces blood up through the ____________ valve, which is also known as the pulmonary valve.
The right ventricle contracts next, which forces blood up through the pulmonary semilunar valve, which is also known as the pulmonary valve. One of the four valves that regulate blood flow in the heart is the pulmonary valve. It is situated between the artery that supplies blood to the lungs and the lower right heart chamber.
The pulmonary valve typically functions as a one-way door from the right ventricle of the heart to the lungs. The pulmonary valve allows blood to go from the right ventricle to the pulmonary artery, where it picks up oxygen before entering the lungs and carrying it to the rest of your body.
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The american alligator is considered a keystone species in the everglades system because its presence leads to an increase in the:_______
The American alligator is a keystone species because its presence leads to an increase in the abundance/diversity of fish, the bioavailability of the aquatic environment, as well as in wading birds.
What is a keystone species?A keystone species is a given species in an ecosystem whose presence is fundamental to maintaining the biodiversity and features of such environment.
In conclusion, the American alligator is considered a keystone species in the everglades system because its presence leads to an increase in the abundance/diversity of fish, the bioavailability of the aquatic environment, as well as abundance/diversity in wading birds.
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A drop of blood is added into a solution and found that red blood cells will hemolyse. what solution it might be?
apply the concept based on the results observed in the lab experiment.
The solution might be hypotonic.
When a drop of blood is added in the hypotonic solution, it may hemolyse Or bursting of cell take place, this is because the solvent comes inside the cell due to lower concentration of solute and it becomes hemolysed.
There are three types of solutions.
Hypertonic condition of the solution occurs when the concentration of solute outside is higher than that inside the cell. Hypotonic condition of the solution occurs, when the concentration of solute outside is lower than that inside the cell. Isotonic condition of solution occurs when concentration of dissolved solute outside is equal to the concentration of solute inside the cell.To learn more about hypertonic and hypotonic solution, refer this link.
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The surfaces of the inner, terrestrial planets of our solar system are composed of ________.
The surfaces of the inner, terrestrial planets of our solar system are composed of volcanoes, craters, canyons, and mountains.
The interstitial planets are made up of rocks, silicates, minerals, carbon or in case of earth water as well. Generally the planets have an inner core made up of iron which is further surrounded by a mantle.
Our earth is the only planet in the universe which is found to have water at its surface while the planet Mars also has polar ice caps which are permanent just like our earth. The inner terrestrial planets consist of mercury, Venus, earth, and Mars.
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What is the difference between heredity and mutation
here is the answer
Explanation:
Once an acquired mutation is transmitted along throughout generations, it becomes hereditary.
The best description of the bonds that form polypeptides and the difference between polypeptides and proteins is.
A) That a covalent link forms between the carboxyl and amino groups, and that a protein can be made up of multiple polypeptides.
What is polypeptide and its function?Polypeptides are created by joining several amino acids together to form polypeptides. The bonding of two or more polypeptides results in the formation of proteins, which are then folded into the appropriate shape.
In terms of structure, polypeptides resemble the specific amino acid groups they belong to, with the exception that covalent, or electron-sharing, bonds join them. The basic components of the polypeptide are amino acids.
Each of the 20 distinct amino acids has a unique structure. You can obtain a sense of how certain amino acids will interact with other amino acids by understanding the structure of the amino acids required for the protein you are creating.
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Thinking of the two major cell types in the world? cells contain organelles, such as the golgi apparatus and mitochondria. however, these organelles are not found in cells.
Prokaryotic cells and eukaryotic cells are two different types of cells. Although prokaryotic and eukaryotic cells have different shapes (see prokaryote, eukaryote), they are quite similar in terms of their molecular make-up and functions. The chief molecules in cells are nucleic acids, proteins, and polysaccharides.
Organelles without membranes: Non-membrane-bound cell organelles include the cell wall, ribosomes, and cytoskeleton. They are found both in the bacterial cell and the eukaryotic cell". A cell's nucleus and organelles like mitochondria and vacuoles make up the cytoplasm. Organelles like the golgi apparatus, ribosome, and mitochondria are found in the majority of cells." There is a genuine nucleus. Cytoplasm is absent from the majority of cellular organelles, however it is present in prokaryotic cells. Eukaryotic cells have cytoplasm and organelles, both of which are present. There is a mitochondria present, which is a cell's powerhouse. A collection of flattened stacked pouches known as cisternae make up the Golgi apparatus, also known as the Golgi complex or Golgi body, an organelle that is membrane-bound and occurs in eukaryotic cells (cells with clearly defined nuclei).
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Which layer of skin is least protected by melanin?
a. stratum basale
b. stratum granulosum
c. stratum spinosum
d. stratum corneum
Stratum corneum is least protected by melanin.
What is melanin ?
Your body contains melanin, which is responsible for the colour of your hair, eyes, and skin. The more melanin you create, the darker your eyes, hair and skin will be. Your body's melanin content is influenced by a number of variables, including your genes and how much sun exposure your ancestors received.
The barrier that keeps undesired things from entering the body and excessive water loss from occurring is now widely acknowledged to be the stratum corneum (SC), the skin's outermost layer and interface with the outside world. The main developments in our understanding of this tough membrane are summarized in this study.
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A manner of studying human development that stresses the fluctuations that occur constantly throughout life is referred to as the?
A manner of studying human development that stresses the fluctuations that occur constantly throughout life is referred to as the dynamic systems theory.
Human Development- The examination of the chronological events or developments that take place from fertilization to the emergence of the zygote, to the development of the human during pregnancy, from birth through adolescence, and into adulthood.
Zygote- A zygote is the result of the fusion of an egg cell and a sperm cell, sometimes referred to as a fertilized ovum/Egg. In the days after conception, the zygote quickly divides from a single cell at first.
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Air passages such as your trachea (windpipe), which may contain air your body can't use, are known as?
The term "dead air spaces" refers to air passages like your trachea (windpipe) that may contain air your body can't use.
What does trachea mean?Your larynx, or voice box, and your lungs are connected by a long, U-shaped tube called your trachea. The windpipe is another name for the trachea. It is an essential component of your respiratory system. Air enters your lungs through your larynx when you breathe in.
What are the trachea's four purposes?Tracheal ActivityThe airway from the mouth or nose to the lungs should be made strong and secure.Prevent foreign things from entering the respiratory system.control the air entering the lungs' temperature and humidity levels.To know more about Trachea visit:
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Explain how diffusion provides a steady supply of oxygen and eliminates carbon dioxide for a cell undergoing cellular respiration.
Answer:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
What happens when a virus attacks a cell?
Answer:
the cell gets infected with the virus I think
Explanation:
it will as the virus will spread to the cell so the cell also turns into a virus
Which example illustrates that individuals' lives are not entirely shaped by social structures?
To illustrates that individuals' lives are not entirely shaped by social structures. Oprah Winfrey was born into poverty but rose to become one of the wealthiest people in America.
What are social structures?The social structure. social structure is important from a sociological perspective because it influences how we behave. It can refer to a group's typical patterns, such as the relationships between men and women or students and teachers. Class Social. according to income, level of education, and standing in the field. Status.
Gender roles, the incest taboo, religious and healing rituals, mythology, marriage, language, art, dance, music, cooking, games, jokes, sports, birth and death because they involve ritual ceremonies as an accompaniment, etc. are examples of elements that may be considered cultural universals.
People learn how to function effectively in a society through a process known as socialisation.
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Which additional model component is necessary to explain how geranium plant leaves produce carbohydrates?
Magnesium is a further model component necessary to explain how geranium plant leaves produce carbohydrates.
What is geranium?
Geranium is a genus of 422 species of flowering annual, biennial, and perennial plants that are commonly referred to as the cranesbills. they're found throughout the temperate regions of the world and the mountains of the tropics, but mostly within the eastern part of the Mediterranean region. The long, palmately cleft leaves are broadly circular in form
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Anything that can perform life processes by itself is a/an
Answer:
an organism
Explanation:
Anything that can perform life processes by itself is an organism. An organism made of a single cell is called a unicellular organism.
mutation and recombination are the only processes that can increase genetic variation because they are also the only processes that:
Mutation and recombination are the only processes that can increase genetic variation because they are also the only processes that: can produce new alleles.
Recombination is the process or rearrangement of the genes due to crossing over. Crossing over is an event that only occurs during meiosis. This process is essential to produce genetic variations and diversity. In meiosis, this recombination occurs between homologous chromosomes.
Alleles are the alternative forms of a gene. Usually there is only one alternative form but multiple allelic conditions are also possible. The allelic forms occupy similar locus on the two sister-chromatids of the chromosomes.
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ASAP Please Help
The rate of photosynthesis can be measured as the volume of oxygen released by a
plant per minute. The number of bubbles of gas released per minute from waterweed is
counted.
a. The gas collected in this experiment is not pure oxygen. Suggest a reason for this.
Answer:
The gas will be released.
Explanation:
In this experiment the solution used is sodium bicarbonate to increase the CO2 content for photosynthesis process.
So the gas released will not be only pure oxygen but also CO2 which is provided by the sodium bicarbonate solution.
Organic deposits are rarely found in areas of extreme wetness or extreme cold.
true/ false
The correct answer for this question is False
Microbial degradation is aggressively destroying important cultural and environmental records that have been stored in archaeological deposits for millennia across the Arctic. Because it is not practicable to examine the many sites in this distant corner of the planet, new approaches for detecting and assessing potential degradation are urgently needed.
Organic-rich sedimentary rock deposits are collectively referred to as fossil fuels because they are made up of undamaged organic tissue of plants and animals preserved in depositional environments with low levels of free oxygen. Fossil fuels are the primary energy sources in the industrial world, and their unequal distribution in time (exclusively Phanerozoic) and space (more than half of proven petroleum reserves are in the Persian Gulf region of the Middle East) has a significant impact on global political and economic stability.
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______ are threadlike structures made up of strands of deoxyribonucleic acid (dna).
According to the research, the correct option is Chromosomes. Chromosomes are threadlike structures made up of strands of deoxyribonucleic acid (dna).
What are Chromosomes?They are filaments or condensed rings of deoxyribonucleic acid that store a large part of the genetic information and appear in a constant number in the cells of each plant or animal species.
In this sense, it is a condensed threadlike structure of DNA featuring the same genes located at the same sites (known as loci).
Therefore, we can conclude that according to the research, the correct option is Chromosomes. Chromosomes are threadlike structures made up of strands of deoxyribonucleic acid (dna).
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PRETTY PRETTY PLEASEEEEEE HELP
What does the term "homeostasis" mean?
Question 2 options:
respond to their environment
maintain a stable internal environment
made up of units called cells
based on a universal genetic code
Answer:
Homeostasis has become the central unifying concept of physiology and is defined as a self-regulating process by which an organism can maintain internal stability while adjusting to changing external conditions.
Explanation:
so the answer is, maintain a stable internal environment
