Answers
Answer:
Scientific law.
Explanation:
A scientific law is a statement that the scientific community elaborates on after observing a natural phenomenon and performing several experiments concerning certain phenomena. Scientific laws aim to explain the reasons why something happens and what may cause it to predict it in the future.
Related Questions
A scientific theory can come from
Answers
Answer:
A scientific theory can come from observations, experiments, and evidence gathered through research. It is a well-substantiated explanation of some aspect of the natural world based on empirical evidence and has been repeatedly tested and confirmed through observations and experiments. The scientific method is typically used to develop and test scientific theories. It involves making observations, asking questions, formulating hypotheses, testing them through experiments, and analyzing the results to conclude.
Explanation:
A scientific theory can come from observations, experiments, and data analysis. It is based on a body of evidence and has predictive power.
Explanation:A scientific theory can come from observations, experiments, and data analysis. It is a well-substantiated explanation of some aspect of the natural world that is based on a body of evidence. Theories in science are supported by empirical evidence and have predictive power.
For example, the theory of evolution in biology is supported by evidence from the fossil record, genetics, comparative anatomy, and other fields. It explains the diversity of life on Earth and makes predictions about the relationships between different species.
In physics, the theory of relativity explains the relationship between space, time, and gravity. It has been tested through experiments and observations, demonstrating its accuracy.
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How do plant cells make store and transport proteins?
Answers
Whereas the majority of proteins pass through the Golgi on their way to other cell destinations,
How are proteins transported in plant cells?In plant cells, the Golgi gear is the key organelle for polysaccharide and glycolipid synthesis, protein glycosylation, and protein classification towards various cellular sections either by vesicular shuttles or through the maturation of cisternae from the cis‐ to the trans‐face, a digit of membrane proteins reside in the dissimilar Golgi.
Plants move proteins inside these cells. This procedure, known as protein transport, is the footing for a complex biological response mechanism. During every second of a plant cell's life, a host of protein transports take place.
So we can conclude that There are many storage proteins in plant tissues that gather into protein storage compartments.
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Help me lolll pls pls pls pls pls pls pls pls pls
Answers
Answer:
Plants are amazing organisms! In a process called photosynthesis, they take sunlight energy from the sun,carbon dioxide gas from the air, and water from the ground and make glucose (food energy)! They also make oxygen during this process. Plants can either immediately use the glucose they make to power their cells or sto… use.
Explanation:
I couldn't read some of the text due to the picture, but this should be right. I hope this helps! :)
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Answers
Answer: false
Explanation:
Archaea and bacteria both are prokaryotes and reproduce through binary fission, which results in offspring that are genetically identical to parents.
Answer:
I believe the answer is false.
Explanation:
Prokaryotes (Archaea and Bacteria) reproduce asexually through binary fission, in which the parent organism divides in two to produce two genetically identical daughter organisms.
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what is biology ? definition of biology
Answers
Answer:
The study of living organisms divided into many specialized fields that cover their morphology physiology anatomy behavior origin and distribution
TMV Assembly Each of these statements is an experimental observation concerning the reassembly of tobacco mosaic virus (TMV) virions from TMV RNA and coat protein subunits. In each case, carefully state a reasonable conclusion that can be drawn from the experimental finding.
a. When RNA from a specific strain of TMV is mixed with coat protein from the same strain, infectious virions are formed.
b. When RNA from strain A of TMV is mixed with coat protein from strain B, the reassembled virions are infectious, giving rise to strain A virus particles in the infected tobacco cells.
c. Isolated coat protein monomers can polymerize into a virus-like helix in the absence of RNA.
d. In infected plant cells, the TMV virions that form contain only TMV RNA and never any of the various kinds of cellular RNAs present in the host cell.
e. Regardless of the ratio of RNA to coat protein in the starting mixture, the reassembled virions always contain RNA and coat protein in the ratio of three nucleotides of RNA per coat protein monomer.
Answers
Answer:
Explanation:
tobacco mossaic virus is aa RNA containing virus enclosed in aaprotein coat. in above sttaed experiment when TMV cause infection in tobacco plant is leaves get infected due to replication of virus in its cells. RNA is first converted into complementary DNA and form a double stranded nucliec acid structure. it syntheaize its protein to make new coats and to wrap the newly synthesized RNA, and make a completely infected new virus which we called virion. in any case the number of coats are equal to RNA so that to prepare new viruse. n
Why does a cat comes near when show it milk and runs away when you show it stick ?
Answers
Cats have evolved certain behaviors that are influenced by their natural instincts and experiences.
When a cat sees milk, it may be attracted to it because it contains nutrients that are important for its survival, and the cat may associate the presence of milk with positive experiences. This can include nursing from its mother as a kitten or catching and consuming prey that contains milk or milk products.
On the other hand, when a cat sees a stick, it may perceive it as a threat or danger, and may associate it with negative experiences, such as being hit or attacked by a predator. This can trigger the cat's natural instinct to flee or hide from potential danger, as a survival mechanism.
Overall, a cat's behavior is influenced by its instincts, past experiences, and environmental cues. It may approach things that it perceives as positive or beneficial, and avoid or flee from things that it perceives as dangerous or threatening.
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look at photo or pdf down there please
Answers
Answer:
Pituitary: part of the brain that helps to regulate the endocrine system
thyroid: regulates metabolism
thymus: helps children develop a strong immune
hypothalamus: regulates growth, water balance, and blood pressure
Explanation:
Answer:
Pituitary: part of the brain that helps to regulate the endocrine system
thyroid: regulates metabolism
thymus: helps children develop a strong immune
hypothalamus: regulates growth, water balance, and blood pressure
Explanation:
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The human respiratory system intakes oxygen which is transported to all parts of the body by the circulatory system. Then, the circulatory system returns deoxygenated blood to the respiratory system.
At what level of organization does this interaction occur?
A.
organism
B.
organelle
C.
organ
D.
cell
Answers
Answer:
The answer is A. organism
A ________ narrator can see and describe every character's thoughts.
A
first person
B
second person
C
third person, limited
D
third person, omniscient
Answers
Which of the following is a correct statement regarding cells produced through meiosis?
O They are haploid and genetically diverse
O They are diploid and genetically diverse
O They are haploid and genetically identical
O They are diploid and genetically identical
Answers
Answer:
they are haploid and genetically diverse
Explanation:
meiosis produces 4 daughter cells from a single parent cell, the daughter cells are haploid because they contain half the amount of chromosomes as the parent cell, the cells produced through meiosis are not identical like mitosis, they are genetically diverse (which is what causes certain traits to be carried on from one parent cell and other from the other parent cell)
Answer:
They are haploid and genetically diverse.
Explanation:
Question # 2
Multiple Choice
Why are yeast grouped with fungi?
Yeast and fungi are similar because they both contain chlorophyll.
Yeast and fungi are similar because they both are microscopic.
Yeast and fungi are similar because they both photosynthesize.
Yeast and fungi are similar because they are both unicellular.
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Answer:
Yeast and fungi are similar because they both are microscopic
In the pillbug experiment, how many pill bugs did you need
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10 pillbugs were needed in the Pillbug experiment to get good information. Thus, option (c) is the correct answer.
Pillbugs are categorized as terrestrial isopods and are in the crustacea family. Pill bugs are simple to acquire, to maintain, odourless and easy to handle. They make the perfect experimental subject.
The Pillbug experiment by McGraw Hill aims to understand how pillbugs behave in both damp and dry settings. The study is conducted by watching their behavior, taking into account how often they circle and spin.
The purpose of the Pillbug experiment is to determine if pillbugs, often known as roly-polys, prefer light or darkness. They are cold-blooded, slow-moving organisms whose surroundings regulate their body temperatures.
The complete question is:
In the Pillbug experiment, how many Pillbugs did you need to use to get good information for the experiment?
A. 100
B. 1
C. 10
D. 4
E. 5
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Non segmentation allows for evolutionary innovation in body form. True or false
Answers
Answer:
True
Explanation:
5. Write descriptions of what makes a person strong
courageous. Determine whether such strength is emotional,
spiritual, or physical; and if you can acquire it or are you born
with it?
Answers
Answer:
the strength is got from the food we eat
Explanation:
sometimes it can be spiritual or physical because u can acquire strength through others
PLEASE HELP
How do “endothermic” animals cool off?
Question 8 options:
They convert the food they eat into cool energy.
They sweat or pant to lose heat by water evaporation.
They move to colder climates.
They move around a lot to stimulate their circulation.
Answers
Answer:
B. They sweat or pant to lose heat by water evaporation.
Explanation:
The steps to purifying DNA are listed below. Place them in order.
Burst cells open to release DNA
Isolate concentrated DNA
Collect cheek cells
Separate DNA from proteins and debris
Answers
Answer:
Explanation:
1. Collect cheek cells
2. Burst cells open to release DNA
3. Isolate concentrated DNA
4. Separate DNA from proteins and debris
what is the function of brain hxhtojuqat
Answers
Answer: buuu
Explanation:
Complete the following sentence.
The animal (_____) industry provides nearly 2 million American jobs.
Answers
Answer:
livestock
Explanation:
Answer:
agriculture
Explanation:
Edge Animal systems
12. Researchers have spent decades and several millions of dollars studying diabetes among the Pima and Tohono O’odham tribes. Why hasn’t their research yielded a genetic explanation for the high rates of the disease?
Answers
Answer:
A link between cardiometabolic risk factors and race and ethnicity have been studied. It has been found that the rates of cardiometabolic risk factors are higher among ethnic minority populations such as African Americans, Hispanic Americans, and Native Americans.
What condition is necessary for a genetic change that occurs in one individual to be spread to other individuals?
A. a common gene pool
B. a common phenotype
C. a similar habitat
D. a similar niche
Answers
Answer:
a
Explanation:
A common gene pool is a need for a genetic alteration that occurs in one person to be passed on to other people. The aggregate genetic makeup of a species or group is referred to as its gene pool.
What is the scenario with the genetic change in the population ?The whole of the population's alleles, or genetic variations, that may be transmitted from parents to children through reproduction. If two people share a gene pool, a genetic alteration experienced by one person can transmit to the other person.
This is so that the person who had the genetic change's progeny won't inherit the altered gene. It is not essential for a genetic modification to be passed on to other people for them to have a common phenotype. The traits or outward appearance of a phenotype of an organism, which is based on its genotype (the organism's genetic make-up). Although an organism's genotype can affect its phenotype, there isn't always a clear connection between the two.
Consequently, a shared phenotype is not a need for a genetic mutation to be passed on to other people. Similar environment and niche requirements are not essential for a genetic mutation to propagate to other people, either.
A niche is the function that an organism plays in its environment, whereas a habitat is the actual setting in which an organism lives. Although changes in habitat or niche can have an impact on an organism's genetic composition, they are not prerequisites for a genetic mutation to propagate to other people.
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Chemical reactions involve breaking Chemical
Answers
Answer: true
Explanation: Chemical reactions involve breaking chemical bonds between reactant molecules (particles) and forming new bonds between atoms in product particles (molecules). The number of atoms before and after the chemical change is the same but the number of molecules will change.
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The most important factor(s) which limit the number of animals that can live in a biome is/are:
Answers
Most organisms are adapted to live within a particular range of temperatures and will not survive at temperatures too far above or below their range. Precipitation limits the organisms that can be found in a biome because all organisms need water, and the bigger the animal, the more water it needs.
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c3ll therory state that all living things are composed of cells, and are the basic units of life. Why do scientists refer to it as cell theory instead of cell hypothesis?
A Since we haven't checked every organism for ourselves, we cannot call it hypothesis.
B It explains what happens in cells, so it cannot be a hypothesis.
C All of the evidence collected supports the idea of why we believe this
D It is an idea that is held by more than just one scientist
PLZ help i will give you Brainliest
Answers
Explanation:
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What was Dolly’s greatest legacy
Answers
Answer:
Scientists are reflecting on the impact of Dolly the Sheep, some 25 years after she became the first mammal to be cloned from an adult cell.The pioneering research that led to Dolly's creation paved the way for ongoing discoveries using stem cells and gene editing.What are the 3 basic cellular structures that every cell needs? What's their individual function and why are each of the 3 basic cellular structures needed?
Answers
The three basic cellular structures that every cell needs are the cell membrane, the cytoplasm, and the genetic material. The cell membrane functions to regulate what enters and exits the cell, the cytoplasm provides a medium for cell organelles to function in, and the genetic material contains the instructions for cell function and replication.
Cell Membrane: The cell membrane is a thin, flexible barrier that encloses the cell and separates its internal environment from the external environment. It is made up of a phospholipid bilayer and is selectively permeable, meaning it regulates what substances enter and exit the cell.
Cytoplasm: The cytoplasm is a gel-like substance that fills the inside of the cell and contains various cell organelles, such as mitochondria, ribosomes, and the endoplasmic reticulum. The cytoplasm is important because it provides a medium for the organelles to function in and facilitates the movement of materials within the cell.
Genetic Material: The genetic material of the cell is the DNA that contains the instructions for cell function and replication. In prokaryotic cells, the genetic material is found in the cytoplasm, while in eukaryotic cells, it is found in the nucleus.
In summary, every cell needs a cell membrane to regulate what enters and exits the cell, cytoplasm to provide a medium for cell organelles to function in, and genetic material to contain the instructions for cell function and replication.
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If a boy receives type A allele from his mother and type B allele from his father, he will have ________________________ Blood.
Answers
Answer: B allele from his father
Explanation: He will get B allele from his father because males are dominant and females are resilient
what is vacuole?.....
Answers
Answer:
Vacuole, in biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. ... The large central vacuoles often found in plant cells enable them to attain a large size without accumulating the bulk that would make metabolism difficult.
The participants of the experiment performed two different activities, sitting and running. The graph below shows the carbon dioxide concentrations collected during the experiment. Label the lines on the graph with the correct activity (sitting and running).
Answers
The participants participate in two different activities: sitting and running, and out of these two categories, the participants who are involved in the running will produce more carbon dioxide than the sitting.
What is the function of carbon dioxide in the human body?In cellular respiration, the cell takes in oxygen and glucose, and the result is carbon dioxide and energy. When more energy is required then more carbon dioxide is released by different metabolism pathways, such as glycolysis, the Krebs cycle, and others, release this carbon dioxide.
Hence, the participants participate in two different activities: sitting and running, and out of these two categories, the participants who are involved in the running will produce more carbon dioxide than the sitting.
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Fruit flies have 8 chromosomes. During mitosis, one cell with 8 chromosomes divided to form 2 cells each with 8 chromosomes.
Do this would mean 8 chromosomes divided by 2 becomes: 8+8 chromosomes. Can you describe three events and their associated cycle phases that make this mathematical impossibility biologically possible. (Think about the chromosomes and DNA strands in the cell)
Answers
During DNA replication (S phase), the chromosomes are duplicated, resulting in 16 sister chromatids. During metaphase, the sister chromatids align along the equatorial plane of the cell. During anaphase, the sister chromatids separate and move towards opposite poles of the cell, ensuring that each new cell receives a complete set of 8 chromosomes.
During mitosis, the process by which cells divide, the division of chromosomes occurs in a way that maintains the correct number of chromosomes in each resulting cell. The scenario you mentioned, where one cell with 8 chromosomes divides to form two cells each with 8 chromosomes, is possible due to three key events and their associated cell cycle phases:
DNA Replication (S Phase): Before mitosis begins, the DNA in the cell undergoes replication during the S phase of the cell cycle. This means that each chromosome replicates, resulting in two identical copies called sister chromatids. So, in the initial cell with 8 chromosomes, during S phase, each chromosome is duplicated, resulting in a total of 16 chromatids.
Chromosome Alignment and Separation (Metaphase and Anaphase): During metaphase, the replicated chromosomes align along the equatorial plane of the cell. The sister chromatids are connected at a region called the centromere. In anaphase, the centromeres split, and the sister chromatids separate, becoming individual chromosomes. The spindle fibers pull the separated chromosomes towards opposite poles of the cell.
Cytokinesis: After the chromosomes have separated, cytokinesis occurs, where the cell membrane pinches inward, dividing the cytoplasm into two distinct cells. Each new cell receives a set of chromosomes, resulting in two daughter cells, each with the same number of chromosomes as the original cell (8 chromosomes each).
Overall, through the processes of DNA replication, chromosome alignment and separation, and cytokinesis, the division of chromosomes during mitosis ensures that the resulting daughter cells maintain the correct number of chromosomes.
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