Fill The Blank? the sugar used as the baseline for the sweetness scale is ______.

Answer:

A

Explanation:

Deposists of sediments causes river delta, that is carried by a river as the flow exits its mouth and enters slower-moving or stationary water such as ocean, sea, and lakes.

Answer:

The gene, or sequence of DNA, ultimately determines the unique sequence of amino acids in each peptide chain. A change in nucleotide sequence of the gene's coding region may lead to a different amino acid being added to the growing polypeptide chain, causing a change in protein structure and therefore function.

Explanation:

Answer: Phospholipid bilayers are critical components of cell membranes. The lipid bilayer acts as a barrier to the passage of molecules and ions into and out of the cell. However, an important function of the cell membrane is to allow selective passage of certain substances into and out of cells.

Explanation:

Answer:

other living things cannot use the nitrogen in plants.

Explanation:

Other living things cannot use atmospheric nitrogen directly, so bacteria are needed to convert it into forms that can be used by plants and eventually by other organisms higher up in the food chain. Hence option A is correct.

Bacteria are essential to the nitrogen cycle because they have the ability to convert nitrogen gas (N2) from the atmosphere into a form that plants and other organisms can use, such as ammonium (NH4+) and nitrate (NO3-).

This process is called nitrogen fixation and is performed by various types of bacteria, such as Rhizobium and Azotobacter, that live in the soil or in symbiosis with plants.

In addition to nitrogen fixation, bacteria also play a critical role in the other steps of the nitrogen cycle. For example, nitrifying bacteria convert ammonium into nitrate, which can then be absorbed by plants.

Denitrifying bacteria, on the other hand, convert nitrate back into nitrogen gas, which returns to the atmosphere.

Hence option A, Other living things cannot use atmospheric nitrogen is correct.

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Because various electrophoretic bands exist in lanes 3, 4, 5, and 6, all 4 individuals have different genotypes, hence D is the correct choice (A and B statements are correct).

Two bands are provided between 600 and 440 in Individual 3. (heterozygous). Individual 4 provides two bands, one is 600 and the other is around 500 (heterozygous).

A single band from individual 5 is around 550. (homozygous). Three bands are produced by Individual 6 during electrophoresis (heterozygous), every genotype contributes a separate band to the electrophoresis.

Therefore,  three individuals are heterozygous, one is homozygous at the d1s80, the fragment in lane 2 is different by 10 repeat units.

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Your question is incomplete, but most probably your full question was,

A. the four individuals having the d1s80 genotype

B. three individuals are heterozygous, one is homozygous at the d1s80

C. the fragment in lane 2 is different by 10 repeat units.

D. A and B but not C.

E. A, B, and C.

The image of the agarose gel is attached.

Answer:

Which fossils are found in different layers of sedimentary rock?

Explanation:

Thats the answer i hope it helped! :)

Answer:

Which fossils are found in different layers of sedimentary rock?

Explanation:

Which fossils are found in different layers of sedimentary rock?

Answer: c i think and b

Explanation:

Answer:

C

(experience)

Answer:

C

Explanation:

The nucleus is a membrane-bound organelle found in the eukaryotic cells of organisms. It is typically located near the center of the cell and contains genetic material in the form of DNA. Skin cells that are circular in shape include the cells of the epidermis called "keratinocytes."

The nucleus is a vital organelle found in eukaryotic cells, including plant and animal cells. It is usually located near the center of the cell and is surrounded by a double-layered nuclear membrane. The nucleus houses the genetic material of the cell, which is organized into structures called chromosomes. These chromosomes contain DNA molecules that carry the instructions for cell growth, development, and reproduction. The nucleus plays a crucial role in controlling gene expression and regulating cellular activities. Regarding skin cells, one type of skin cell that is circular in shape is the keratinocyte. Keratinocytes are the primary cells found in the epidermis, the outermost layer of the skin. They are responsible for producing keratin, a tough fibrous protein that gives skin its strength and elasticity. Keratinocytes are typically round or polygonal in shape and form multiple layers in the epidermis to provide a protective barrier for the underlying tissues.

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Answer:

The force of friction between the two surfaces will increase if the two surfaces are pressed harder against each other. Heavy box will press the floor surface harder as compared to the lighter box. That means the force of friction will be more between the heavier box and surface than between the lighter box and surface. Thus, larger force will be needed to push the heavier box than to push the lighter one.

In a glass of water, the most common ion found is the hydroxide ion (OH-) and the hydrogen ion (H+).

These ions are formed when water molecules dissociate through a process called self-ionization or autoionization.

In a glass of water, several ions can be found, originating from the dissociation of water molecules. The main ions present are hydrogen ions (H+) and hydroxide ions (OH-), resulting from the self-ionization of water.

Water molecules can break apart spontaneously into equal concentrations of H+ and OH- ions through a process called autoionization. This occurs when a water molecule donates a proton (H+) to another water molecule, forming H3O+ (hydronium ion) and OH-.

Additionally, other ions might be present in a glass of water depending on its source. For example, tap water can contain various dissolved ions like calcium (Ca2+), magnesium (Mg2+), sodium (Na+), chloride (Cl-), and bicarbonate (HCO3-). These ions come from minerals and other substances present in the water source, such as groundwater or surface water.

It's worth noting that the specific ion composition of water can vary depending on factors like location, treatment processes, and water source. However, the fundamental ions present in water are H+ and OH- resulting from the autoionization of water molecules.

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1. (i) The waterweed will grow best in beaker A (in normal daylight).

(ii) The waterweed in the box changed from dark green to pale yellow.    This happened because the black box blocked the light due to which the waterweed was not able to carry out the process photosynthesis.

2. There were not much plants growing below the surface in the school pond with lots of water lilies in it as the excessive growth of water lilies inhibited the penetration of light in the pond.

3. (i) The waterweed will grow better in beaker E containing pond water and fertilizer.

(ii) Fertilizers contain minerals which help the plants to grow.

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Positive experiences, such as the exposure to rich in learning the opportunities, and the negative influences, such as the malnutrition or environmental toxins, can change the chemistry that encodes genes in the brain cells — a change that can also be temporary or the permanent. This process is called as epigenetic modification.

Broadly the speaking, environmental toxins are the substances and the organisms that negatively affect the health. They include the poisonous chemicals and the chemical compounds, the physical materials that the disrupt biological processes, and the organisms that cause the disease. The effects of the exposure to the environmental toxins are the countless.

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Because of how Earth orbits the sun, the appearance of the stars in the sky varies throughout different seasons.

The bright appearance of multiple stars in the night sky fluctuates throughout the year due to how the earth circles the sun. Since planet revolves around sun, varied stars may be seen at different times and durations in a year, which changes how night sky appears to a human. For instance: The constellation Cygnus may be viewed in northern hemisphere both high in the summer sky and closer to the horizon during winters.

This is because the apparent location of the stars in the sky changes as a result of the tilt of the Earth. Further, which stars are visible might vary depending on where the sun is in the sky. Because sun sets longer during the summer, certain stars might not be seen until later in the evening. Whereas, as sun sets sooner during winters, more stars are visible earlier in the evening.

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The reason you observe different patterns of stars in space during different seasons is because Earth circles, or orbits, around the sun. This means, at different times of the year, Earth will be in a different position around the sun and, therefore, facing different stars. The patterns of stars you see at night depends on where Earth is positioned around the sun. Scientists know that Earth orbits the sun because we can view different star patterns during different seasons. Let's say you observe a pattern of stars shining bright in a specific location during a warm summer night. If you were to go back to that location on a cold winter night, you would not see that same pattern of stars. This is because, as Earth orbits around the sun, it faces different patterns of stars.

Stars are the most widely recognized astronomical objects, and represent the most fundamental building blocks of galaxies. The age, distribution, and composition of the stars in a galaxy trace the history, dynamics, and evolution of that galaxy. Moreover, stars are responsible for the manufacture and distribution of heavy elements such as carbon, nitrogen, and oxygen, and their characteristics are intimately tied to the characteristics of the planetary systems that may coalesce about them. Consequently, the study of the birth, life, and death of stars is central to the field of astronomy.

85–90% of all intervertebral disc herniations happen at the disc between L4 and L5 or L5 and S1, making the lower back particularly susceptible.

An issue with one of the rubbery cushions (discs) that lie in the spaces between the vertebrae that make up your spine is referred to as a herniated disc.

A spinal disc has a tougher, rubbery exterior covering a soft, jelly-like interior (nucleus) (annulus). A herniated disc, also known as a slipped disc or a ruptured disc, happens when a portion of the nucleus pushes through a tear in the annulus. Although a herniated disc can develop anywhere along the spine, it most frequently does so in the lower back. A herniated disc may cause pain, numbness, or weakness in an arm or leg, depending on where it is located. Many people with herniated discs don't experience any symptoms.

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Mistletoe is a type of parasitic plant that belongs to the family Santalaceae. One positive effect of mistletoes on ecosystems is their role in providing food and habitat for various bird species.

Mistletoes are parasitic plants that grow on the branches of other trees. While they can have negative effects on the host tree, such as reduced growth and weakened structure, they also bring certain benefits to the ecosystems where they grow. One of these benefits is their significance as a food source for birds. Mistletoe berries contain a sticky pulp that is rich in sugars, providing a valuable food resource for many bird species, especially during the winter months when other food sources may be scarce. Birds play an essential role in seed dispersal for mistletoes, as they consume the berries and excrete the undigested seeds onto the branches of other trees, contributing to the dispersal and establishment of mistletoe plants in new locations.

Moreover, mistletoes can also provide nesting sites and shelter for birds. The dense foliage of mistletoe plants offers protection and cover for birds, particularly smaller species, helping to create suitable habitat conditions within the forest ecosystem. By providing food resources and nesting opportunities, mistletoes contribute to the overall biodiversity and ecological balance of the ecosystems in which they grow.

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During a third-trimester ultrasound, what would a doctor expect to observe the first heartbeat in a fetus.

The method of prenatal development occurs in 3 stages.

The first 2nd weeks after conceiving are called as the germinal stage, the 3rd through the 8th week is called as the embryonic stage, and the time from the 9thweek tillbirth is called as the fetal period.

Thus, option "D" is correct, as other parts develop at a later stage.

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Answer: B)response to noise and light

Explanation: This was the correct answer for me on my quiz, but u might be using a different website........hope this helps tho! (the quiz was on endgenuity)

In aerobic respiration, the electrons removed from glucose are passed through a series of molecules, and at the very end, they are transferred to oxygen (O2).

Oxygen  is the final electron acceptor. This process results in the formation of water (H2O) and ATP (adenosine triphosphate) which is the energy currency of the cell.In short, the correct option is "oxygen."Note: In anaerobic respiration, the electrons removed from glucose are transferred to an inorganic molecule like sulfur, nitrate, or carbon dioxide instead of oxygen.

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Answer:

Energy from the Sun heats the atmosphere. ... Some of the sunlight that reaches Earth's surface is absorbed. The energy from this light heats the substance that absorbs it. The sand can become warm or even hot as it absorbs some of the sunlight that hits it.

Explanation:

Answer:

Fertilization of the chick egg occurs in the oviduct, before the albumen and the shell are secreted upon it. The egg is telolecithal (like that of the fish), with a small disc of cytoplasm sitting atop a large yolk. Like fish eggs, the yolky eggs of birds undergo discoidal meroblastic cleavage.

Explanation:

embryo , foetus zygote chicks

pls make me brainliest

Answer: zygote embryo fetus chicks i believe

Explanation:

big brain

The set of symbols which correctly describes the sex of each piglet is  "F" for female and "M" for male.

A piglet is a young pig, typically less than 12 weeks old. They are also known as piglings or shoats. Piglets are known for their playful and curious nature and are often raised for meat production or as pets.

They are born in litters and can have a range of coat colors and patterns, depending on their breed. Piglets are dependent on their mother's milk for the first few weeks of life and then gradually transition to solid food.

One possible way to represent the sex of each piglet is to use the symbols "F" for female and "M" for male. With this notation, we can represent the sex of each piglet in the following set:

{M, M, M, F, F, F}

This set contains three "M" symbols for the male piglets and three "F" symbols for the female piglets, in the order of their birth.

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Answer:

a process used by plants to convert sunlight to energy

Explanation:

1. any substance that kills germs

ans. germicide

2. drugs that attack specific bacteria

ans. antibiotics

3. substance that attacks fungi

ans. antifungal agents

4. chemical that destroyed pathogens inside the body

ans. anti-infective

Answer:

Explanation:

Three-dimensional folding of a protein is due to interactions among the R groups of the amino acids. Cysteine has a sulfhydryl group, which may form a disulfide bridge with another part of the polypeptide chain. Valine has no sulfhydryl group and is nonpolar, which will affect how the polypeptide will fold.

Answer:

The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients, oxygen, carbon dioxide, hormones

Answer: 27

Explanation:

Cobalt is a chemical element with the symbol Co and atomic number 27. Like nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron.

Answer:

The Correct Answer is A.) 27 Protons

Explanation:

Hope This Helps!

Answer:

The nucleus of living cells contains the genetic material that determines the entire structure and function of that cell.

Explanation: