Suppose that a gene originally identified in nematodes (roundworms) is found to be homologous with a gene that can cause developmental abnormalities in humans. Would it be possible to use fruit flies as a model organism to study this gene

Answer:

1.  Diffusion

2. Osmosis

3. Diffusion

4. Facilitated Diffusion

5. Osmosis

6. Diffusion

Explanation:

Facilitated Diffusion- Move molecules across the cell membrane in a passive transportation with  membrane protein.

Osmosis- Move water molecules from high concentration to low concentration.

Diffusion- Evenly spread molecules from high concentration to low concentration.

1. Gases move across the room with ease without energy.

2. Water enter skin cells allowing cells to grow and wrinkle without energy.

3. Gases move with ease without energy.

4. Glucose requires energy to transfer.

5. Water leaves throat when concentration outside of throat is less that that inside the trough so water moves outwards.

6. Oxygen is uses passive diffusion does not require energy and will with ease move in and through a cell.

If additional H₂CO₃ is added to the reaction at equilibrium, it would drive the equilibrium dynamics to the left, favoring the formation of more products.

This is because the addition of more product would cause the reaction to shift in the direction that uses up the excess product, in order to re-establish equilibrium. As a result, the amounts of CO₂ and H₂O would increase, while the amount of H₂CO₃ would decrease. It is important to note that equilibrium is a dynamic process, where the forward and reverse reactions are occurring simultaneously at equal rates, leading to a constant concentration of reactants and products.

Therefore, adding more H₂CO₃ would not disrupt the equilibrium itself, but rather alter the concentrations of the reactants and products at equilibrium. Overall, the addition of more H₂CO₃ would drive the equilibrium dynamics to the left and increase the amounts of CO₂ and H₂O.

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The hypothesis of ecological restrictions regarding the latitudinal gradient in species richness.

According to the biological species idea, a species is any collection of people that coexists in one or more populations and has the potential to interbreed in order to give birth to healthy, fertile offspring.

According to the morphospecies theory, a species can be recognized by its morphological characteristics and distinguished from other species by its physical characteristics. The morphological species notion is what is meant by this.

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Answer:

The transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization. It can be transferred by things that feed from what has pollen. Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.

Answer:

Meiosis

Explanation:

The process that could occur in maple trees to decrease the chromosome number in pollen cells from 52 to 26 is called meiosis.

Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the formation of haploid cells with half the number of chromosomes of the original cell. In meiosis I, the chromosomes are replicated and then lined up in homologous pairs, and then are separated into different nuclei during meiosis II, resulting in four haploid cells, each with half the number of chromosomes as the original cell.

So in the case of maple trees the process of meiosis would reduce the number of chromosomes from 52 to 26 in the pollen cells.

Answer:

carbon, hydrogen, and oxygen

Explanation:

Answer:

The elephant is a herbivores animal and feeds on plant material that consist of cellulose. Collagen is a type of protein  that is absent in plant material and only found in skin, tendons, bones and muscles. The elephant also requires collagen to replace or repair their skin cell in every 2 weeks.

As elephants are unable to consume meat that contains collagen, they get collagen or protein from the plant material only with the help of bacteria or enzymes present in its guts. The bacteria having enzymes that helps in the breakdown of cellulose and access the proteins, fat or sugar present in the plant cell.

Elephants get collagen and other proteins from the vegetables they consume.

We can arrive at this answer because:

When cellulose is digested and vitamin C is used in the body, collagen production is stimulated.

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In active transport, ATP provides its fuel with the help of an enzyme called ATPase. The molecule moves from low to high concentration.

Active transport is a type of diffusion in which there is a movement of molecules that takes place from the region of their lower concentration to the region of their higher concentration across the membrane with the help of energy pumps.

Active transport occurs in the cells of both plants and animals. In animals, it occurs at the site of axon membranes whereas in plants it takes place at the epidermal roots that are embedded in the soil. Sodium-potassium is the most common ATP pump in biological systems.

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Answer:

For part A this is how you solve it:

Final mass-Initial mass=x. Then divide x/initial mass to get final percentage

32.12-29.15=2.97. 2.97/29.15= 10.19%

29.41-28.45=0.96. 0.96/28.46= 3.37%

Etc.

Right now I’m working on the rest lmk if you need more help and explanation.

The highest  surface wind speed occur when there is a :

4-millibar air-pressure difference between 2 nearby location.

The wind blowing close to the Earth's surface is known as surface wind. An anemometer or wind vane is used to measure the speed or direction of the wind at a standard height of 10 meters above the ground in an area where the instrument's distance from any obstructions is at least 10 times the height of the obstructions.

Typically, a wind vane and a cup or propeller anemometer are used to measure surface wind. The wind direction and speed may be guessed if a measuring device isn't working properly or if one isn't available.

General surface wind patterns are produced throughout the surface of the globe by the north-to-south flow of air masses and the Coriolis effect's deflection.

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Answer:

1. B

2.B

3. C

4. B

5. C

Explanation:

The term for decimal numbers that designate the same portion of a whole or point on a number line is: the fraction

Examples of fractions include 2/5 and 5/1.

Answer ; 43/14 = 3.07

The accepted method for representing both integer and non-integer numbers is the decimal numeral system. It is the expansion of the Hindu-Arabic numeral system to non-integer values. Decimal notation is the term used to describe the method of representing numbers in the decimal system.

To convert a number from decimal to percent, multiply it by 100, then add the percent symbol. By multiplying the decimal number by 100 and adding%, you can convert a decimal to a percentage. By moving the decimal point two places to the right and adding a percent sign, you may quickly convert a number from decimal to percent.

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Answer:

419.2 (+/- 3.2) million years ago

Explanation:

419.2 (+/- 3.2) million years ago

Answer:

Emigration is the first option, death rate is the last option, birth rate is the second option, and immigration is the third option.

Answer:the answer is 8

Explanation:

2(x+4)= 8

4x+3-2x+5 also = 8

The given statement "the prefrontal cortex is largely responsible for the so-called ""executive"" functions" is True. Because, the prefrontal cortex is in fact substantially in charge of what are referred to as "executive" activities.

Planning, decision-making, problem-solving, thinking, attention, and working memory are just a few of the higher cognitive tasks that the prefrontal cortex, found in the frontal lobes of the brain, is essential for. Because they include the management and regulation of other cognitive processes, these activities are sometimes referred to as executive functions. The prefrontal cortex aids in goal-setting, result prediction, inhibition of improper behaviours, focus maintenance, and adaptation to changing conditions. Executive function deficiencies can result from injury to or malfunction of the prefrontal cortex and affect a person's capacity for critical thought, wise decision-making, and goal-directed behaviour.

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Answer:

Although secreted by the pancreas, glucagon directly impacts the liver as it works to control blood sugar levels. Specifically, glucagon prevents blood glucose levels from dropping to a dangerous point by stimulating the conversion of stored glycogen to glucose in the liver.

Explanation:

:) (i'm not supposed to tell you the answer but i can help you)

Answer:

Good question! Hamburgers actually get their name from Hamburg, Germany, home of a cut of beef called the Hamburg steak that eventually evolved into what we now consider hamburgers

Answer:

here's a step by step on how sedimentary rock is formed

Explanation:

Sedimentary rocks are the product of

1) weathering of preexisting rocks,

2) transport of the weathering products, 3) deposition of the material, followed by 4) compaction

5) cementation of the sediment to form a rock.

Answer:

Sedimentary Rocks and Processes Weathering (making the sediment by breaking down or dissolving preexisting rocks or living organisms) Erosion (picking up the sediment by water, wind, or glaciers) Transportation (moving the sediment by water, wind, or glaciers) Deposition (depositing the sediment) ...

Explanation:

Onian I need ur help with my latest question,

ur smart can u help me?

Answer:

Traits acquired during an organism's lifetime cannot be passed

Explanation:

The law of use and disuse of organs as postulated by Jean Lamarck was wrong due to the fact that environmentally acquired characters cannot be passed to offspring.

Changes to organisms that are not the level of the gene cannot be passed to the offspring. For example, a wrestler that got big muscles due to constant work out cannot pass big muscles to his offspring. The offspring will need to work out in order to have big muscles. This is because big muscles in the wrestler is environmentally acquired.

Only changes that happen to the genome of an organism (mutation) can be passed to offspring.

Answer:

Explanation:don't

In a simple reflex action, chemicals are released at two synapses, one between a sensory neuron and a relay neuron, and one between a relay neuron and a motor neuron.

A simple reflex action is a rapid, automatic response to a stimulus that occurs without conscious thought or decision-making. It involves the transmission of nerve impulses through a reflex arc connecting a sensory receptor to an effector, such as a muscle.

The reflex arc consists of a sensory neuron, a relay neuron, and a motor neuron. When a sensory receptor detected a stimulus, the sensory neuron is activated. The sensory neuron at the first synapse releases neurotransmitters that bind to receptors on the dendrites of a relay neuron. The relay neuron is located entirely within the central nervous system and connects the sensory and motor neurons.

Once the relay neuron receives the nerve impulse, a signal is sent to the motor neuron and if the stimulus is strong enough, neurotransmitters are also released at the second synapse by the relay neuron, between the relay neuron and the motor neuron.

Therefore, chemicals are released at two synapses, one between a sensory neuron and a relay neuron, and one between a relay neuron and a motor neuron.

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Not only is the biota important, but the abiotic factors in the ocean are also important because both groups work together. The abiotic factors in the ocean help the ocean to 'work'. For example, phytoplankton (autotrophs) need light, nutrients, CO2 (dissolved gases) to photosynthesize.

Answer:

Biotic factors include plants, animals, and microbes; important abiotic factors include the amount of sunlight in the ecosystem, the amount of oxygen and nutrients dissolved in the water, proximity to land, depth, and temperature. Sunlight is one the most important abiotic factors for marine ecosystems.

Explanation:

The tom cat's joints have rubbed together so much that they are causing pain, which is known as osteoarthritis.

Answer:

Covering Mouth/Nose

Explanation:

Covering your mouth and nose. The germs spread primarily from your eyes and nose, so coughing and sneezing on objects that are used by a wide multitude of people will obviously affect them as well. Usually masks are used, but if you're careful there will be no need.

Answer:

This question is incomplete, the complete question is as follows:

- In horses, black coloring (B) is dominant, and chestnut coloring (b) is recessive. A homzygous black horse crosses with a chestnut horse.

What percentage of offspring are expected to be chestnut?

The answer is 0%

Explanation:

This question involves a gene coding for color in horses. The allele for black coloring (B) is dominant over the allele for chestnut coloring (b) is recessive.

According to this question, if a homzygous black horse (BB) crosses with a chestnut horse (bb), the following gamete will be produced by each parent;

BB - B only

bb - b only

Using these gametes in a punnet square, the following proportion of offsprings will be produced:

Bb, Bb, Bb, Bb

All of these offsprings are phenotypically black colored although heterozygous in genotype. Hence, 0%  of offspring are expected to be chestnut.

Answer:

its 0% love

Explanation:

Answer: a larva is the active immature form of an insect

Explanation:

(b)The strength of the signal inside the cell decreases over a distance

Depolarizing current from an action potential travels very rapidly through the cytoplasm of axons, insulated by myelin until reaching the next node of Ranvier. At each node, the membrane depolarizes above the threshold voltage, and the influx of sodium ions again initiates the action potential through Nav

And those generated by stimuli and sensory receptors are also called receptor potentials. A graded potential like this one, that moves the membrane potential to a less negative number, or closer to zero, is called a depolarization, because now the membrane is less polarised. It has less charge separation.

That is, neurons have a resting membrane potential (or simply, resting potential) of about −30 mV start text, m, V, end text to −90 mV start function, m, V, end text. Because there is a potential difference across the cell membrane, the membrane is said to be polarised.

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The  determine whether gene b, c, or d is in a different linkage group without additional information since all three genes show recombination frequencies suggesting that they are either on different linkage groups or widely separated on the same linkage group.

Based on the provided dataset from the two-point crosses, we can analyze the recombination frequencies between different gene loci to determine their linkage relationships.

In this case, we are examining four genes labeled as a, b, c, and d in a new species of avocado.

A two-point cross involves the analysis of recombination events between two genes at a time.

The recombination frequency represents the proportion of offspring that exhibit a recombination event between the two genes, indicating the distance between them on a genetic map.

Higher recombination frequencies suggest a greater physical distance between genes, while lower frequencies indicate genes that are closer together.

Let's examine the given recombination frequencies:

The recombination frequency between gene loci a and b is 30%. This suggests that these two genes are relatively close to each other on the same linkage group, but not as closely linked as genes c and d.

The recombination frequency between gene loci a and c is 50%. This high recombination frequency indicates that genes a and c are located on different linkage groups or are very far apart on the same linkage group.

The recombination frequency between gene loci a and d is 10%. This low recombination frequency suggests that genes a and d are closely linked and located near each other on the same linkage group.

The recombination frequency between gene loci b and c is 50%. Similar to the case of genes a and c, this high recombination frequency implies that genes b and c are either located on different linkage groups or are widely separated on the same linkage group.

The recombination frequency between gene loci b and d is 20%. This suggests that genes b and d are closer together compared to genes a and d, but they are not as closely linked as genes a and b.

The recombination frequency between gene loci c and d is 50%. As observed previously, this high recombination frequency indicates that genes c and d are either on different linkage groups or are distantly located on the same linkage group.

Based on the analysis of these recombination frequencies, it can be concluded that the genes a, b, c, and d are not all in the same linkage group.

Gene a is likely in a different linkage group from the others because it shows distinct recombination frequencies with all the other genes.

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Answer: D 22%

Explanation:

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