explain how crossing over during meiosis can result in breaking the linkage between alleles (but not genes!)?

The lab is where Dr. Benzing is working. He has demonstrated that EPSPs increase the spontaneous firing rate's frequency.

At a compound neural connection, an activity potential triggers the presynaptic neuron to deliver synapses. These molecules alter the likelihood of the postsynaptic cell firing an action potential by binding to its receptors.

Synapses are delivered through exocytosis of synaptic vesicles (Katz, 1969). The synaptic vesicle exocytosis that takes place within a presynaptic terminal occurs precisely in opposition to postsynaptic receptors and occurs less than a millisecond after the arrival of an action potential.

At the turn of the 20th century, additional significant discoveries in the field of chemical synaptic transmission were made. The first was Elliot's discovery of adrenaline's presumed neurotransmitter action, which was presented in 1904 and published in 1905.

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The complementary strand of mrna or the corresponding nucleotide sequence is present on the coding strand. No complementary sequence exists on the template strand.

The DNA strand from which the mRNA has been produced would be known as the template strand. The DNA strand just opposite the template strand has been known as the coding, or non-template, strand, and it has the same sequence as mRNA except T to U substitutions.

The template strand, one of the two exposed DNA strands, acts as a model for transcription.

The RNA product is essentially identical to the non template (or coding) strand of DNA and has the complementary to the template strand.

Therefore, AUG CCU AUU GAU GGC CCA UAA GUU is the complementary strand of mRNA.

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The cornea allows light stimuli to enter the eye, which then travels through the pupil and lens before being focussed onto the retina, where the brain can detect and process it.

The order of light stimuli entering the eye is:

Cornea: The cornea is the clear, outer layer of the eye that helps to focus incoming light.

Pupil: The pupil is the black, circular opening in the center of the iris that controls the amount of light entering the eye.

Lens: The lens is a clear, flexible structure behind the pupil that further focuses the light onto the retina.

Retina: The retina is the light-sensitive layer at the back of the eye that contains photoreceptor cells called rods and cones. These cells detect the light and send signals to the brain through the optic nerve.

Optic Nerve: The optic nerve is a bundle of nerve fibers that transmits the signals from the retina to the brain, where they are interpreted as visual information.

the light stimuli enters the eye through the cornea, passes through the pupil and lens, and then is focused onto the retina where it is detected and interpreted by the brain.

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Answer:

a partnerd relashinship

Explanation:

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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The amino acids present in the peptide structure are:

Amino acids are organic compounds that form the building blocks of the macromolecular structures called proteins.

Amino acids are liked to each other by peptide bonds to form the primary structure of proteins.

Peptide bonds are formed between the carboxy-terminal of one amino acid and the N-terminal of another amino acid. A water molecule is removed when peptide bonds are formed between two amino acids.

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There are five aquatic biome which are Freshwater Biome, Freshwater wetlands Biome, Marine Biome, Coral reef Biome.

The aquatic biome is divided into two regions, first is freshwater and the second is marine regions. Fresh water consist of lakes and rivers which is less salt concentrated while the marine region consist of estuaries and oceans that are more salt concentrated. Marine or aquatic biome is found in 5 main oceans, the Pacific, the Atlantic, the Indian, the Arctic and the Southern ocean.

So we can conclude that: There are five aquatic biome which are Freshwater Biome, Freshwater wetlands Biome, Marine Biome, Coral reef Biome.

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Answer:

The cells that make up the phloem are adapted to their function: Sieve tubes - specialised for transport and have no nuclei

Explanation:

I hope this is right

Vascular tissue is made up of the plant's primary transport systems, xylem and phloem. They are found in vascular bundles in all plant organs, crossing roots, stems, and leaves.

Xylem is in charge of transporting water and dissolved ions from the roots up through the plant. The vascular tissue that transports and distributes organic nutrients is known as phloem. Clubmosses, horsetails, ferns, gymnosperms (including conifers), and angiosperms are examples of vascular plants (flowering plants). Tracheophyta, Tracheobionta, and Equisetopsida sensu lato are some of the scientific names for the group.

The phloem serves as both a signaling system and a structural component of the plant. This tissue is made up of three cell types: sieve elements, parenchyma, and sclerenchyma.

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Answer:

because they consider the the difference of chemical components

Scientists divide Earth's core into outer and inner core because ; ( A ) They exist in different states of matter

The inner core of the earth is very hot and is composed mainly of Iron, it is as big as the size of the moon and is solid in nature. while the outer core which is liquid in nature is composed of iron and nickel and surrounds the Earth's inner core, acting as a boundary between the inner core the Earth's mantle.

Therefore the main reason why scientists divide the Earth core into outer and inner core is due to the difference in state of the inner and outer earth core, and not its chemical composition because they both contain Iron.

Hence we can conclude that Scientists divide Earth's core into outer and inner core because, They exist in different states of matter.

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The vagus nerve, also referred to as the 10th cranial nerve, is the primary pathway via which the parasympathetic fibres of the autonomic nervous system innervate the heart. The medulla oblongata is where the vagus nerve is born.

The SA and AV nodes in the heart are primarily innervated by the parasympathetic nervous system. Vagal efferents also innervate the atrial muscle, but they sparingly innervate the ventricular myocardium.

Sympathetic and vagal fibres innervate the heart. Although there can be a large overlap in the anatomical distribution, the right vagus nerve primarily innervates the SA node whereas the left vagus nerve innervates the AV node.

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The probability of a male offspring having hemophilia is 0.5 or 50%.

The probability of a female offspring being a carrier of hemophilia is 0.5 or 50%.

Since the woman is a carrier of the hemophilia gene, she must have one normal X chromosome (X^N) and one hemophilia X chromosome (X^H). The man has two normal X chromosomes (X^NX^N).

The Punnett square for their cross would look like:

 | X^N    | X^H

--|--------|------

Y | X^NX^N | X^HY

--|--------|------

Y | X^NX^N | X^HY

The possible genotypes of their offspring are X^NX^N, X^NX^H, and X^HY.

The male offspring will have hemophilia if he inherits the X^H chromosome from his mother. Since the mother is a carrier and has one X^H and one X^N chromosome, there is a 50% chance of passing on the X^H chromosome to her son.

The female offspring will be a carrier of hemophilia if she inherits one X^H chromosome from her mother. There is a 50% chance of the mother passing on the X^H chromosome to her daughter, and a 50% chance of the daughter inheriting the X^N chromosome from her father.

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Electrolytes are substances that, when dissolved in water, conduct electricity. A variety of biological functions depend on electrolytes. They  acquire a natural positive or negative electrical charge.

What is intracellular or extracellular ions?

Electrolytes are classified as both  intracellular fluid and the extracellular fluid include electrolytes chemicals. The main cation and anion in extracellular fluid, respectively, are sodium and chloride.

Sodium is one of the most crucial electrolytes in the extracellular fluid because it is an active cation. It is in charge of regulating the cell's membrane potential, as well as maintaining the extracellular fluid volume.

All body tissues require the mineral potassium, which is a necessary component. Because it carries a little electrical charge that activates numerous cell and nerve activities, it is also referred to as an  extracellular anion.

Therefore, electrolytes are classified as intracellular or extracellular.

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The most common infectious genus in the world which only lives inside the cells of insects is the baculovirus genus.

What is a genus?

A genus is a taxonomic category that groups species according to their phylogeny or evolutionary origin. A family of species with similar characteristics is a genus.

A genus name is composed of one or more words, with the first word capitalized and the second word (if there is one) in lowercase.

The most common infectious genus in the world which only lives inside the cells of insects is the baculovirus genus.

What are baculoviruses?

Baculoviruses are large DNA viruses that cause diseases in insects. They are arthropod-specific and infect only invertebrates, mostly insects and some crustaceans. Baculoviruses only live inside the cells of insects and do not infect humans, animals, or plants. Because of their insect specificity, baculoviruses are regarded as safe and effective biopesticides.

What are the characteristics of baculoviruses?

Baculoviruses have a unique life cycle that includes two different forms of virions (enveloped and non-enveloped) and two types of virion occlusion bodies (polyhedra and granules). Baculoviruses have been used for decades as biopesticides in agriculture, forestry, and horticulture to control insect pests in crops and forests.

Baculovirus expression vectors are also used for protein expression in research and biotechnology.

Thus,  the answer is baculovirus genus.

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Answer:

True

Explanation:

Ocean water holds heat and

helps keep coastal countries,

like Britain, from getting too

cold in the winter.

Answer:

i think is true.

Explanation:

sorry if is wrong but am pertty sure its right.

Answer:

The correct answer is -

50% chances of Tt

50% chances of TT

Explanation:

In the given question it is given that there is a cross-pollination between a female (TT) and a male (Tt), which means female has two dominant copies of a trait in her genotype while the male is a heterozygous, the gametes of these genotypes will be:

gametes: T, t and T, T

then cross will be:

     T       T

T   TT    TT

t     Tt     Tt

Thus, the given result shows 1/2 TT and the rest 1/2 Tt by this Punnett square.

Lipids are the type of macromolecule that has members that are primarily hydrophobic.

Lipids are a type of macromolecule characterized by molecules that are primarily hydrophobic.

These molecules include fats, oils, waxes, and sterols, and they are essential components of cell membranes and biological processes.

Lipids are also important sources of energy and help to insulate and protect the body. Lipids are made up of two main components: a glycerol backbone and fatty acids, which are organic molecules composed of carbon and hydrogen.

Lipids are typically not soluble in water, but can be broken down by certain enzymes and digested by the body.

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Answer:

What can be awnsered by science are question 1,3, and 4 (Going top from bottom). The rest cannot be answered by science. ((I'm not 100% but I'm pretty confident)))

The student can conclude that the distances birds travel is independent of their size (SC.5.N.1.1). The data collected does not show a clear relationship between the size of the bird and the distance traveled.

The conclusion the student can make based on the data in the table is that the distance traveled by the birds is not directly related to their size. This can be seen by the fact that the smallest bird in the table (size 9) traveled the least distance (1 km), while the second smallest bird (size 25) traveled a distance of 276 km.

The other two birds, with sizes of 45 and 100, traveled distances of 1,909 km and 2,356 km respectively. Therefore, the conclusion is that the distances birds travel are independent of their size.

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Answer:

B. The polar phosphate head.

This "head" connects the tail into the plasma membrane.

Its most important function is it attracts water or is considered a water-loving part of the membrane that draws water in, then the other parts allow diffusion and osmosis to happen.

Hope this helps have a great day! ♣

Answer:

mitochondrion

Explanation:

The molecular clock is a technique  which utilize the mutation rate of biomolecules  so as to deduce the time in prehistory when two or more life forms diverged. the limitation is that they more "erratic" than previously thought, useless to keep accurate evolutionary time.

The molecular clock hypothesis  serves as one that focus on the DNA and protein sequences  ad the way it evolve at a rate  which can be seen to be relatively constant over time  with respect to the diverse organisms.

The molecular clock  can be regarded as the figurative term  which usesbthe  mutation rate of biomolecules to determine the time in prehistory when two or more life forms diverged hpowever the nucleotide sequences serves as the biological data.

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Answer:

1) they would need a host or vessel to stay on and feed of of their body

2) they would need some for of reproduction in the host ( mitosis whatever the algae my use )

3) they would need to wisely choose there hosts and of what they feed on so there host doesn’t die quickly

I don’t know if this is what your looking for but these are 3 things that algae would need to live

According to the diagram the earth is an open system. Because energy flows freely into and out of systems, all systems respond to inputs and, as a result, have outputs. For example, water and chemicals, as well as energy enter and leave the boundaries of a watershed system. Outputs from one part of the system are inputs for another part. This linked output-input connection is often called ‘feedback’.

Answer:

1. To convey that the conversation may occur in both directions and not just one, they employed double-headed arrows.

2. The arrows stand in for the substance and energy that make up the earth's plants and animals.

3.  Isolated systems cannot share energy or matter, but the Earth gets energy from the Sun and little matter. The Precambrian preceded life in the Cambrian Period. Petrified animals increased during the Precambrian, and life on Earth began in the early Archean.

Explanation:

hope this helps :)