Which is a component of cell theory?

a.All living things grow into cells.
b.All living things are made of cells.
c.Cells come from nonliving matter.
d.Cells come from non-cells.

The answer is sodium perchlorate is used as an alternative to phenol extraction.

What is DNA extraction?

Deoxyribonucleic acid (DNA) is extracted from the cells or viruses where it ordinarily lives.

Why it is used for?

In many diagnostic procedures, DNA extraction is frequently the first step. These procedures are used to diagnose diseases and genetic problems as well as to find germs and viruses in the environment.

DNA has been extracted from crude lysates of yeast, a number of bacterial species, and bacteriophages using sodium perchlorate, sodium dodecyl sulfate, and chloroform as an alternative to phenol extraction.

To learn more about DNA extraction from the given link

https://brainly.com/question/20782240

#SPJ4

A mutation occurs when a change in the structure of a gene takes place, resulting in a variant of this gene, so this creates genetic variation.

Genetic recombination occurs when a gene suffers a sequence of breaks and rejoining of chromosomes or chromosome segments. This also creates a variant of this gene, so this creates genetic variation as well.

Sexual reproduction demands two gamete cells to fuse, creating a new cell that is a combination of those two cells. This creates a cell with a different genetic material, so this also creates genetic variation.

Therefore, the correct answer is D. all of the above

Answer:

Hey!

Your answer is definitely POPULATION!

Explanation:

HOPE THIS HELPS!!

Answer:

I need points but I hope you get the correct answer

Explanation:

:)

The things that you are required in order to survive the thermosphere may include heavy clothes, food, water, oxygen, heating absorbing artificial components, freeze, cold apparatus, etc.

Survival may be characterized as the act or fact of living or continuing longer than another person or thing. It is a struggle to avoid physical extermination and focus on ideal fitness as well as reproduction.

If you have to live in the thermosphere where the temperature is of the utmost high, you would be very cold because there aren’t enough gas molecules to transfer the heat to you. This also means there aren’t enough molecules for sound waves to travel through.

Therefore, the things that you are required in order to survive the thermosphere may include heavy clothes, food, water, oxygen, heating absorbing artificial components, freeze, cold apparatus, etc.

To learn more about Thermosphere, refer to the link:

https://brainly.com/question/12224909

#SPJ1

Answer:

radiation reeeeeeeeeeeeeeeeeeeeeeeeeeee

Explanation:

it is heat going through space, not liquid or some substance

Answer:

The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.

On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.

The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.

Answer:

fine particles (silt and clay) are moved to areas of still water (off-shore settings). the majority of these particles are made up of clay minerals, which are weathering products of feldspars and ferro-magnesian minerals.

Answer:

You call them minerals

Explanation:

Answer:

RNA polymerase is the main transcription enzyme. Transcription begins when RNA polymerase binds to a promoter sequence near the beginning of a gene (directly or through helper proteins). RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule.

Explanation:

please mark me as brainliest

Explanation:

RNA polymerase I is located in the nucleolus, a specialized nuclear substructure in which ribosomal RNA (rRNA) is transcribed, processed, and assembled into ribosomes

Statements a, b, e, and f are true, while statements c and d are partially true. Understanding the structure and function of chromosomes is fundamental to comprehending various aspects of genetics and cell biology.

a. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.

This statement is true. Chromosomes consist of DNA molecules that are tightly wound around histone proteins. This compact packaging allows the long DNA molecules to fit within the limited space of the cell nucleus.

b. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.

This statement is true. Genes are specific segments of DNA that are located on chromosomes. They contain the instructions for the synthesis of functional products such as proteins or RNA molecules.

c. Homologous chromosomes contain the same genes and the same allele combination.

This statement is partially true. Homologous chromosomes are chromosome pairs that carry the same genes, but they may not necessarily have the same allele combination. Alleles are different forms or variants of a gene, and they can differ between homologous chromosomes.

d. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosome are made, and each of these copies is called a sister chromatid.

This statement is partially true. DNA replication does occur prior to the cell cycle, and during replication, copies of each chromosome are made. However, the copies are not called sister chromatids at this stage. Sister chromatids are formed when the replicated chromosomes remain attached to each other until they separate during cell division.

e. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.

This statement is true. After DNA replication, the two sister chromatids that make up a replicated chromosome are indeed identical copies of each other. They contain the same genetic information, including the same alleles.

f. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.

This statement is partially true. The ultimate purpose of sexual reproduction is to pass on a copy of an organism's genes to the next generation. However, the statement specifically mentions passing on genes to the next generation of cells within the body, which is not entirely accurate.

know more about genetics here:

https://brainly.com/question/12111570

#SPJ8

The Question was Incomplete, Find the full content below :

Which of the following statements concerning chromosomes is/are true?

a. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.

b. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.

c. Homologous chromosomes contain the same genes and the same allele combination.

d. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosome are made and each of these copies are called sister chromatids.

e. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.

f. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.

Answer:

Explanation:

It's the neculre thingy commected and contorling the other cells

The butterfly begins its life as a larva or a caterpillar. A caterpillar molts as it grows. When it reaches its full size, it forms into pupa and undergoes metamorphosis where the butterfly begins to form. A grasshopper however, is an insect that undergoes incomplete metamorphosis where it hatches from an egg and goes through the three nymphal stages. Each of the nymphal stage shows a smaller version of the insect and becomes larger as it grows. The third stage will show the adult form of the grasshopper.

Answer:

I'm not sure if I'm answering this correctly but if it's the way I believe it is then,

Sucrose- glucose & fructose.

Starch - amylose & amylopectin.

Explanation:

Sorry if this isn't correct. Good luck lol

Amino acid building blocks make up proteins. Thus, the right response to the question is (c).

A complex collection of molecules known as a ribosome is used by cells to assemble proteins. The ribosome puts amino acids in the correct order and connects them with peptide bonds. A polypeptide chain—a lengthy collection of amino acids—is produced by this procedure, known as translation.

Amino acids make up the chemical substances known as proteins. Up to four levels of structure can be found in proteins. Different proteins each have a complicated structure that gives them special characteristics. Proteins called enzymes speed up biological processes in cells. Proteins known as antibodies hunt down and kill infections.

To learn more about proteins visit:

brainly.com/question/29776206

#SPJ1

Answer:

In genetics, a trait is considered dominant when it is expressed in the phenotype of a heterozygous individual, meaning that it only requires one copy of the dominant allele to be expressed. On the other hand, a recessive trait is only expressed when both copies of the allele are present in the individual's genotype.

To provide the best evidence that a trait is dominant, we would need to observe the trait in the phenotype of all individuals who carry at least one copy of the dominant allele. This means that if an individual has one dominant allele and one recessive allele, they should still show the dominant trait in their phenotype.

In practice, this could be demonstrated through a series of crosses between individuals with known genotypes. If the offspring of a cross between a homozygous dominant individual and a heterozygous individual all show the dominant trait, this would be strong evidence that the trait is dominant. Similarly, if the offspring of a cross between two heterozygous individuals show the dominant trait in a 3:1 ratio, this would also support the idea that the trait is dominant.

In general, the best evidence for a dominant trait would be consistent expression of the trait in the phenotype of individuals who carry at least one copy of the dominant allele. This can be observed through controlled breeding experiments and statistical analysis of the resulting offspring.

Introducing the Organ System Campaign - advocating for the health and well-being of your body's organ systems!

Our goal is simple - to raise awareness about the importance of taking care of all your body's organ systems. Each organ system plays a vital role in keeping your body functioning properly, and neglecting any one of them can have serious consequences for your overall health.

From the circulatory system, which pumps blood and oxygen to your organs and tissues, to the respiratory system, which brings in oxygen and expels carbon dioxide, to the digestive system, which breaks down food and absorbs nutrients, every system is crucial.

Our campaign will focus on educating people about healthy habits, such as eating a balanced diet, staying hydrated, getting enough exercise, and getting regular check-ups with your doctor. We want to empower individuals to take control of their health and make choices that benefit their body's organ systems.

Join us in the fight for healthy organ systems - because a healthy body is a happy body!

for similar questions on Organ System Campaign

https://brainly.com/question/23472121

#SPJ11

Answer:

Waves, wind, water, Earthquakes, volcanoes, tsunamis and landslides and reshape the Earth's land surface which occurs naturally.

The art or practice of graphic delineation in detail usually on maps or charts of natural and man-made features of a place or region especially in a way to show their relative positions and elevations.

Answer:

A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.

Explanation:

Hope it helps:)

Answer: Relative dating is used to determine a fossil's approximate age by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.

Explanation:

Carbon dating is used by geologists to identify the age of the fossil. It gives the estimation of the age.

Carbon dating is a method of age determination. Radioactive isotopes such as carbon-14 are used for age determination which decays over a period of time by atmospheric nitrogen.

Atmospheric radioactive carbon(C-14) and carbon -12 are passed to green plants by the carbon cycle. Plants pass to animals by the food chain, hence it is an integral part of the chain. After the death of an organism, absorption of the C-14 stops. The half-life of C-14 is 5,730 years after which it starts decaying.

As the C-14 decays at a constant rate, it becomes easy for scientists to determine when the organism died by measuring the radioactive C-14 residues.

Therefore, Carbon dating helps in the determination of the age of organisms or rocks by residual analysis of carbon-14.

Learn more about carbon dating, here:

https://brainly.com/question/22184593

#SPJ2

The liver is a vital organ as it secretes one of the most important enzyme- Bile.

Bile aids in digestion by breaking down fats in the small intestine and carrying waste away, making specific proteins for blood plasma. Cholesterol and unique proteins are produced to assist the body in transporting fats. The liver's special ability to produce bile is essential to the organism's existence. Recent advances in the understanding of the mechanism underlying bile production have laid the groundwork for improved diagnosis and management of cholestatic diseases.

Hepatocytes produce bile, an intricate aqueous secretion that is altered distally by absorptive and secretory transport systems in the bile duct epithelium. After that, bile either travels directly to the intestinal lumen or is concentrated in the gallbladder. A number of endogenous solid elements, such as bile salts, bilirubin phospholipid, cholesterol, amino acids, steroids, enzymes, porphyrins, vitamins, and heavy metals, as well as exogenous medicines, xenobiotics, and environmental pollutants, are dissolved in bile's approximately 95% water content.

To know more about bile and its functions visit:

https://brainly.com/question/4560861

#SPJ4

About 200 minerals make up the rocks.

The chemical composition and atomic structure of minerals are distinctive. Numerous physical characteristics of minerals, including as hardness, lustre, streak, and cleavage, can be used to quickly identify them. For instance, the mineral quartz is quite hard and not as readily scratched as the mineral talc, which is quite soft and easily scratched.

One of the most effective ways to categorize and differentiate between various minerals is by careful examination of crystal forms.

A crystalline solid is composed of constituent atoms, molecules, or ions arranged in an orderly repeating pattern that extends across all three spatial dimensions.

Therefore, About 200 minerals make up the rocks.

To learn more about minerals, refer to the link:

https://brainly.com/question/18078524

#SPJ2

Answer:

so? what is the question in here? BTW dominant one is capital.

The weight of the sugar and water solution will not change because a physical change occured.

A physical change in chemistry refers to the change affecting the form of a chemical substance, but not its chemical composition.

Unlike a chemical change, a physical change does not alter the chemical bonds or composition of the substances involved.

According to this question, sugar and water are weighed separately before combining them. After they are combined, the weight will equate to the sum of both substances because no chemical reaction occured.

Learn more about physical change at: https://brainly.com/question/17931044

#SPJ1

Answer: The answer is D.

Explanation: MARK ME BRAINLIEST FRIEND!!!

Mammals do not lay eggs, the breath air and give live birth, as well as breastfeed their children, so the answer will be that they do not lay eggs

HOPE THIS HELPS & GOOD LUCK !!!

Answer:

the awnser is lay eggs

Explanation:

all mammals have nipples for feeding their yound and every mammal obviously breathes air

Answer:

wavelength i think

Explanation: