A scientist has done his background research and has designed an experiment to test a popular scientific theory. Which of the following should he do next?

Answer:

Hi there, I will help you

Explanation:

It houses glucose, which plants use for food. The presence of starch in a leaf is reliable evidence of photosynthesis. That's because starch formation requires photosynthesis.

Explanation:

An enlarged spleen can be caused by infections, cirrhosis and other liver diseases, blood diseases characterized by abnormal blood cells, problems with the lymph system, or other conditions. Other causes of an enlarged spleen include: Inflammatory diseases such as sarcoidosis, lupus, and rheumatoid arthritis.

Answer: Lysine is a polymer I believe. Hope this helps.

Answer:

Phosphorus is an essential nutrient for animals and plants. It plays a critical role in cell development and is a key component of molecules that store energy, such as ATP (adenosine triphosphate), DNA and lipids (fats and oils). Insufficient phosphorus in the soil can result in a decreased crop yield.

Explanation:

Answer:

Thus, phosphorous is crucial to living organisms because ATP is crucial. Phosphorus is also important because it makes up our DNA. Phosphate is part of the so-called ladder legs which Adenine, Thymine, Guanine, and Cytosine bind to see. It holds this same job in RNA.

Explanation:

Answer:

Vibration of individual particle will increase

Explanation:

This is due to the fact that whenever any substance of matter is increased in temperature, the atoms begins to move away from each other. Take for instance an ice cube for example, when an ice cube (a solid) is heated it becomes water, (a liquid). Proving that when a substance is heated, no matter the density of the material, the individual particles, or atoms, begins to spread apart.

Answer:

muscle cell is produced fast

Answer:

2

Explanation:

red blood cells

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Answer:

___________________________________________________________

Electrons, which continuously move in wire, are called Electric Current. For solid conductors, electric current refers to directional negative-to-positive electrons from one atom to the next. Liquid conductors and gas conductors, electric current refers to electrons and protons flow in the opposite direction.

___________________________________________________________

Answer:

The flow of moving electrons.

Explanation:

I just took the quiz.

D) All of the above

Explanation:

Genetic engineering "allow scientists to create their own mutations in the organisms" by "manipulating the genetic code in attempt to improve a species" which is virtually the same as"altering genetic material".

Answer:

true

Explanation:

Answer:

an apple causes antibiotic resistance

Answer:

C: Lightning

Explanation:

Because  bulk of nitrogen fixation is done by free living or symbiotic bacteria.

Answer:

Atom, molecule, cell, tissue, organ, organ system, and organism.

Explanation:

Atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism are the body's major organizational levels.

Atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism are the major levels of organization that may be found in the body. These levels range in complexity from the simplest to the most sophisticated.

Cellular level is key. A cell is the smallest self-replicating unit of life. All cells share a few cells, despite differences in design and capacity. Cells contain nucleic acids (DNA and RNA), cytoplasm, and a lipid-based film. Cells have organelles in their cytoplasm that perform distinct functions.

Tissues are clusters of related cells that function together. Connective tissues provide organs shape and structure. Muscle cells contract to allow movement. Epithelial tissues cover organs, skin, and the stomach. Specialized cells in nervous tissue, the spinal cord, and the brain transform information using electrochemical impulses.

Organs are structures made of tissues that perform biological activities. Organs have tissues. Organs combine tissues to perform a certain purpose. Size and complexity of organs vary tremendously. Organs include the heart, lungs, and brain. The next level, organism level, is formed of different organs to maintain the body.

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Answer: Attenuation

Explanation: Natural attenuation: in this method, the natural physical, chemical, and biological processes in soil and water gradually break down contamination or pollutants into harmless components. It helps reduce contamination concentration and soil and water to acceptable levels. Examples of natural attenuation processes include

- dilution or dispersal of pollutants in moving water

- volatilization or reduction of pollutants into vapor

- absorption or attachment of balloons to soil or vegetation

These processes are accomplish naturally. Little or no human intervention is necessary.

Answer:

In the natural attenuation method, the natural physical, chemical, and biological processes in soil and water gradually break down pollutants.

Explanation:

Answer:

diffusion

Explanation:

photosynthesis? girl idek i need points

Answer:

photosynthesis allows plants to grow. they convert solar energy from the sun into sugars used for staying healthy.

Explanation:

hope this helped, have a nice day ♥

Answer:

Morula.

Explanation:

A zygote is the product resulting from fertilization. During the journey of the zygote through the fallopian tubes, until its implantation in the uterus, it divides many times, thus going through different phases. From the 16 cells it is called a morula, this stage represents the set of cells from the division of the fertilized ovum, in the first stages of embryonic development. It represents an intermediate phase between the zygote and the blastocyst. The morula stage is characterized by the fact that the replicating cells are all the same size, and there is no differentiation of organs.

Crossing over is when the alleles cross over and pair up, resulting in the genotype for an offspring.

When it comes to genetics and genomics, the term "crossing over" describes the DNA exchange that takes place between paired homologous chromosomes (one from each parent) during the formation of egg and sperm cells (meiosis).

This mechanism leads to novel allele combinations in the gametes (egg or sperm) generated, ensuring genetic variety in any baby born.

Crossing over is a cellular process that happens during meiosis when chromosomes of the same type are lined up. When two chromosomes — one from the mother and one from the father — line up, parts of the chromosome can be switched.

Therefore, Crossing over is when the alleles cross over and pair up, resulting in the genotype for an offspring.

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Answer:

The answer is option A "4 chamber stomach = behavioral and chewing cud = internal structural"

Explanation:

Goats and other ruminants do not digest food directly as they eat their food and the reason is that ruminants do not have the enzymes that are necessary for breaking down the food directly as they eat so digestion in ruminants and particularly Goats has to undergo processes or procedures before the final digestion takes place.

All the processes in digestion for ruminant animals takes place in their four chambered stomachs which are the Rumen, Reticulum, Omasum and Abomassum.

In the four chambered stomach of Goat, the type of adaptation is behavioral and chewing cud which is the internal structure.

Answer:

Duralumin is an aluminium alloy.

Explanation:

Duralumin is a kind of mineral.

There isn't a single chemical composition for duralumin because it is an alloy of copper, magnesium, manganese, as well as aluminum that can change based on its intended application. 4.4 percent copper, 1.5 percent magnesium, 0.6 percent manganese, and 93.5 percent aluminum make up a typical alloy.

A mineral would be an inorganic solid that forms in nature and have an organized atomic structure and a known chemical composition. Even while it may seem like a mouthful, if you break it down, it becomes clearer. Minerals have been created naturally. They are not human-made. They have inorganic, minerals.

Another of the earliest varieties of age-hardenable aluminum alloys goes by the brand name Duralumin. The word is a mix of aluminum and Dürener.

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Answer:

A

Explanation:

Algae, grass, and sunflowers all produce their own food since they can't consume anything.

i feel like its B. sorry if im wrong

Explanation:

The interior of the lungs is made up of spongy tissues containing many capillaries and around 30 million tiny sacs known as alveoli.

The alveoli are cup-shaped structures found at the end of the terminal bronchioles and surrounded by capillaries.

Answer:

It's spongy and air filled sort of.

Explanation:

The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchi then divide into smaller and smaller branches (bronchioles), finally becoming microscopic.

Answer:

B: population density

Explanation:

edg '22

The equation total # of people in an area is used to calculate population density. Thus option B is correct.

Population density is defined as the proportion of a population's members per square meter or cubic meter on average.

It can also be defined as collections of individuals from the same species that coexist in a given area.

There are basically three types of population density.

The average person count per unit of area or volume can also be known as population density.

The factor that affect population density are

Thus, the equation total # of people in an area is used to calculate population density. Thus option B is correct.

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Answer:

Graded potentials are brought about by external stimuli (in sensory neurons) or by neurotransmitters released in synapses, where they cause graded potentials in the post-synaptic cell. Action potentials are triggered by membrane depolarization to threshold.

Answer:

homeostasis

Explanation:

the last phosphate bond is broken.

that's called a macroergic bond between the 3rd and 2nd phosphate groups

Energy is released from ATP when a fourth phosphate is added to the molecule the last phosphate bond is broken.

ATP, sometimes referred to as adenosine triphosphate, is a chemical that transports energy inside of cells. It is produced as a byproduct of photophosphorylation, which adds a phosphate group to a molecule using light energy, cellular respiration, and fermentation. It serves as the primary energy currency of the cell.

All forms of life utilize ATP. In addition to being used as an energy source, it is also integrated into deoxyribonucleic acid (DNA) during DNA synthesis and utilized in signal transduction pathways for cell communication.

Therefore, Energy is released from ATP when a fourth phosphate is added to the molecule the last phosphate bond is broken.

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Answer:

Photosynthesis occurs in plants

Explanation:

I got this correct.

Answer:

Rr and rr

Explanation:

The genotypes of the parents would be heterozygous red (Rr) and true-breeding white (rr).

Since the allele for the red flower color (R) is dominant over that of the white flower color (r), for a cross to produce both red and white flower color plants, the red parent must be heterozygous (Rr) and the white parent true-breeding (rr).

       Rr    x    rr

   Rr    Rr    rr    rr

Rr = red

rr = white

If the red parents is true-breeding

        RR    x    rr

      Rr    Rr   Rr    Rr

All their offspring would be red without any white flower color.

Hence, the genotypes of the parent are Rr and rr.

The statement “ A single-celled organism uses mitosis to create two identical copies of itself” best describes asexual reproduction

The statement which best describes the mode of asexual reproduction is that a single-celled organism uses mitosis to create two identical copies of itself. Thus, the correct option for this question is D.

Asexual reproduction may be characterized as a mode of reproduction in which a new offspring is produced by a single parent. This type of reproduction does not involve the fusion of gametes or a change in the number of chromosomes.

Asexual reproduction is homologous to the process of mitosis. This is because both of them involve the production of two identical daughter cells from a parental cell.

While meiosis produces four daughter cells which are genetically unique to the parent cells. It is the characteristic feature of sexual reproduction that is opposite to an asexual one.

Therefore, the correct option for this question is D.

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Answer:

No

Explanation:

There are different ways or methods of protecting crops from pest and disease infestation. Two of those ways as mentioned in this question are the chemical control and biological control. Biological control of crop protection involves the use of natural enemies of crop pests, which happens to be living or biotic organisms while chemical control entails the use of pesticides and herbicides to control crop pests and diseases.

Among these two methods, the chemical control is more effective because it yields instantaneous results and gets rid of pests and diseases faster. However, in terms of sustainability, the biological control method is more eco-friendly. Hence, based on this question, biological is not more effective than chemical control of crop protection.