In the seventeenth century, Francesco Redi performed experiments using raw meat placed in jars.
• Half of the jars were covered, and half were left open,
• Redi noticed that the meat in the sealed jars did not have maggots, but the meat in the open jars did have maggots.
Redi concluded that only flies could make more flies,
.
Which part of the cell theory corresponds to Redi's findings?

Answer:

False please mark me brainlest.

Explanation:

The type of cell that possess cell wall is plant cell. The correct option is A.

A cell wall is a structural layer located just exterior the cell membrane that surrounds certain types of cells.

It can be tough, flexible, along with being rigid at times. It basically aids structural support as well as protection to the cell, as well as acting as a filtering mechanism.

The cell wall is made up of a network of cellulose microfibrils and cross-linking glycans embedded in a matrix of pectin polysaccharides that is highly cross-linked. Lignin can be found in secondary cell walls.

Plant cell walls, as the interface between adjacent cells, frequently play important roles in intercellular communication.

Plant cell walls play an important role in plant-microbe interactions, including defense responses against potential pathogens, due to their surface location.

Thus, the correct option is A.

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Your question seems incomplete, the missing options are:

Answer:

b

Explanation:

Answer:

B

Explanation:

ganyan rin sagot ko sa module ko

When a gas obeys Boyle's law, the temperature is held constant. The correct option is C.

Boyle's law is given by Charles Boyle. It is a gas law that states the pressure decrease with the increase in the volume and the temperature remain constant. In other words, the pressure exerted on gas is inversely proportional to the volume of the gas.

The law shows the relationship between pressure and volume, with the temperature remaining constant. There are three gas laws which are given by different scientists. These laws show the relationship between two variables and the third remains constant. These variables are temperature, volume, and pressure.

Thus, the correct option is C. temperature regarding the gas obeys Boyle's law, and it remains constant.

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Answer:

Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface. Sedimentary rocks often have distinctive layering or bedding. Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles to settle in place. Sedimentary rocks are made when sand, mud and pebbles get laid down in layers. Over time, these layers are squashed under more and more layers. Eventually, the layers are lithified – turned to rock. Sedimentary rocks can be formed in deserts, lakes, rivers and seas .

Answer:

40

Explanation:

they're usually the same

Answer:

Approximately 4.6 billion years ago

Explanation:

The nitrogen bases will only bond with one specific nitrogen base such as A - T and G - C. This is known as:

Complimentary Base Pairing

Answer:

a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants it consists mainly of cellulose.

Explanation:

i hope this helps!

Answer:

True

Explanation:

I also like your profile picture

The lymphatic system consists of  lymphatic vessels and ducts, lymph nodes, and spleen. The immune systems consist of bone marrow. Hence, statement true.

The system that helps to fight infections and diseases with the help complex system of tissues, cells, organs is called as immune system.

In humans, immunity is of 3 types including:

Bone marrow and the thymus are primary parts of the immune system. Bone marrow play significant role in production of blood cells including B and T lymphocytes. In also includes organs of lymph system such as lymph node, thymus, spleen, tonsils, lymph node, and lymph vessels.

Therefore, The statement above is true.  

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Assuming this is a true/false question, the answer would be false.

According to the law of conservation of energy, energy is neither created nor destroyed; it simply changes forms.

Unless you are saying that some energy would be lost as heat, This is true.

Answer:

ae you trying to find the meaning?

Explanation:

The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside. The only way to use energy is to transform energy from one form to another.

ex: the cue ball is shot at a stationary 8 ball. The cue ball has energy. When the cue ball hits the 8 ball, the energy transfers from the cue ball to the 8 ball, sending the 8 ball into motion. The cue ball loses energy because the energy it had has been transferred to the 8 ball, so the cue ball slows down.

The question to the above information is;

What is the best use of an atomic model to explain the charge of the particles in Thomson's beams?

Answer;

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to remove.

Explanation;

-Atoms are comprised of a nucleus consisting of protons (red) and neutrons (blue). The number of orbiting electrons is the same as the number of protons and is termed the "atomic number" of the element.

J.J. Thomson discovered the electron. Atoms are neutral overall, therefore in Thomson’s ‘plum pudding model’:

Answer:

Its C on edge

Explanation:

Answer: a

Explanation:

birth rate

Answer:

Anaerobes carry on cellular respiration in the absence of oxygen, whereas aerobes carry on cellular respiration in the presence of oxygen.        

Explanation:

Many of the cell processes needed need some energy to occur. Cellular respiration is the process by which cells degrade organic compounds and turn them into energy. Cellular respiration follows two ways, which depend on the presence or absence of oxygen, and both of them begin with the process of glycolysis, which occurs in the cytoplasm and does not need oxygen to occur.

Aerobic Respiration

Anaerobic Respiration

Answer:Without minerals we would not have electricity, food, or shelter. Minerals make today's technology-based life possible, but that's something many of us take for granted.

Explanation:Soil, rocks, and minerals provide essential metals and other materials for agriculture, manufacturing, and building. 7.7. Earth scientists and engineers develop new technologies to extract resources while reducing the pollution, waste, and ecosystem degradation caused by extraction.

Explanation:

It is profit making practice but it causes increased level of pathogens.

It has increased the level of chemicals in our land and water.

It has increased levels of greenhouse gases in air.

Answer:

The no. of heterozygous carriers = 0.0392

Explanation:

From the given information:

The incidence of this recessive disorder i.e. q² = 1/2500

q² = 0.0004

q = 0.02

From Hardy Weinberg's Equilibrium.

p + q = 1; &

p² + 2pq + q² = 1

∴

p + 0.02 = 1

p = 1 - 0.02

p = 0.98

So, the numbers of heterozygous carrier 2pq is:

= 2 × 0.98 × 0.02

= 0.0392

Answer: The answer is A

Explanation:

Society was positively impacted by increased insect control in crops, but it was negatively impacted by harmful chemicals. Hence option A is correct.

DDT is defined as the 1940s saw the development of the first synthetic modern pesticide. It aided in the prevention of illnesses like typhus and malaria. Researchers classify DDT as an endocrine-disrupting chemical, or an EDC, because there is evidence that it alters and disrupts hormones crucial for healthy health, including reproductive health, as well as neurological and immunological processes.

Even while scientists began to raise concerns about such risks in the middle of the 1940s, it wasn't until the publication of Rachel Carson's book Silent Spring in 1962 that the use of the chemical became the subject of broad public concern. DDT, often known as dichlorodiphenyltrichloroethane, is a pesticide used in farming. DDT usage was outlawed in the US in 1972. DDT is still used in several non-American nations to keep mosquitoes that cause malaria at bay.

Thus, society was positively impacted by increased insect control in crops, but it was negatively impacted by harmful chemicals. Hence option A is correct.

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Answer:

True

Explanation:

Answer:

Parenchyma cells have thin primary walls and usually remain alive after they become mature while Sclerenchyma cells have thick lignified secondary walls and often die when mature.

Parenchyma forms the "filler" tissue in the soft parts of plants while  Sclerenchyma provides the main structural support to a plant.

Parenchyma cells are usually loosely packed with large intercellular space while Sclerenchyma cells has no intercellular spaces between the cells.

Answer:

eight million

Explanation:

Eight million different ways can the 23 homologous pairs in a human germ cell.

One of a pair of chromosomes with the same gene sequence, locations, chromosomal length, and centromere placement is referred to as a homologous chromosome. One paternal and one maternal chromosome make up a homologous pair.

A somatic cell of a human has a total of 46 chromosomes in its nucleus. The father inherits half of them (22 autosomes Plus X or Y chromosome), while the mother inherits the other half (22 autosomes + X chromosome).

A female typically has 23 homologous chromosomes, compared to a male's 22. This is due to the fact that men' X and Y sex chromosomes are not identical. During meiosis, homologous chromosomal pairing is crucial.

Therefore, Eight million different ways can the 23 homologous pairs in a human germ cell.

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Answer:

solar energy

please mark me brainliest..

have a good day

Answer:

SOLAR ENERGY

Explanation:

PLEASE MARK ME AS BRAINLIEST

Answer:

Explanition:

The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow.