What is the purpose of cellular respiration?
A To get rid of carbon dioxide
B To get take in oxygen
To take in sugar
D) To convert food to energy

Ions need membrane transport proteins to help them cross the

plasma membrane   B. because of their charge.

The plasma membrane is a selectively permeable barrier that separates the cell's internal environment from the external environment. The membrane is composed of a lipid bilayer that is impermeable to most ions and polar molecules.

Ions are charged particles that cannot freely pass through the hydrophobic interior of the lipid bilayer. Therefore, they require specialized transport proteins to facilitate their movement across the membrane. These transport proteins allow ions to pass through the membrane via a variety of mechanisms, such as channels, carriers, or pumps.

The transport proteins are specific to the type of ion they transport, and they often require energy in the form of ATP to move the ions against their concentration gradient. Without these transport proteins, the movement of ions across the membrane would be severely limited, which could have significant effects on cellular function and homeostasis.

In summary, membrane transport proteins are necessary for ions to cross the plasma membrane due to their charge, as the hydrophobic interior of the lipid bilayer is impermeable to charged particles.

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Answer: A Columnar diagram that shows the rock formations of a locality or region and that is arranged to indicate their relations to the subdivisions of geologic time

Explanation:

A nonsense mutation in the gene that codes for hexokinase will most likely to affect the expression of this gene by causing early termination during the elongation cycle of translation.

In the field of science, a nonsense mutation can be described as a kind of mutation that causes a stop codon to occur at a place where there still needs to be another amino acid.

As a result of nonsense mutation, the proteins that will be formed will be shorter and dependent on where the stop codon is added in the sequence.

Hence, if a nonsense mutation occurs in the hexokinase enzyme then this means that the translation process will terminate early. The hexokinase formed will be shorter and unfinished.

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The absorption spectrum of a pigment is a graphical representation of the wavelengths of light that a pigment can absorb.

Pigments, such as chlorophyll or hemoglobin, are molecules that can absorb light energy and use it to carry out specific functions within cells.

When a pigment is exposed to a range of wavelengths of light, some of these wavelengths are absorbed by the pigment and others are transmitted or reflected. The absorption spectrum of a pigment is determined by measuring the amount of light that is absorbed by the pigment at each wavelength. The resulting graph shows the wavelengths of light that are absorbed by the pigment, as well as the intensity of absorption at each wavelength. The absorption spectrum of a pigment is important because it can provide information about the pigment's structure, function, and interactions with other molecules. For example, the absorption spectrum of chlorophyll shows that it absorbs strongly in the blue and red regions of the visible spectrum, but poorly in the green region. This is why plants appear green to us, as green light is not absorbed but rather is reflected by the chlorophyll.

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Answer:

Catabolic Reactions

Explanation:

they breakdown ATP

Answer:

C. Lystrosaurus and Glossopteris

Explanation:

Answer:

C

Explanation:

Answer:

-25+5x

Explanation:

hey if you need more help like this use M a t h w a y  its  helpful !

Answer:

5x-25

Explanation:

You have to add the numbers with the same variable. Add 1/4, 7/4, and 3 together because they have the same variable of x. Don't do anything to the -25 because it doesn't share the same variable, leaving you with 5x-25

Answer:

Both parents are heterozygous for the traits and exhibit the dominant phenotype → AaBb

Explanation:

Available data:

Genotypes                        Phenotypes

Cross:

Parentals) A-B-   x   A-B-

Note: the - symbol represents either a dominant or recessive allele.

F1)  child with continuous hairline and long fingers → aabb

Each parent provided one allele for each trait to the child. So the child inherited one recessive allele a and one recessive allele b from EACH parent. The fact that both parents could provide one recessive allele to the child for each character, indicates that both parents are heterozygous for the trait. It is the only way of having a child who expresses the double recessive trait.

Answer:

C) the atmosphere

Explanation:

just took the quiz

1. True 2. True 3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the  Option a. Rigor

True - A critical review of the literature is necessary in nearly all research projects. It helps researchers understand the existing knowledge and gaps in the field, identify relevant theories and methodologies, and build upon previous studies.

True - Objectivity and parsimony are both related to the rigor of an investigation. Objectivity refers to the impartiality and lack of bias in conducting and interpreting the research, while parsimony refers to the principle of simplicity in explaining phenomena or choosing the most straightforward explanation. Both objectivity and parsimony contribute to the rigor of a scientific investigation.

a. Rigor - Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the rigor of the investigation. Rigor refers to the thoroughness, precision, and reliability of the research process, including the theoretical underpinnings and the robustness of the methods employed.

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The correct question is:

1. A critical review of the literature is necessary in nearly all research projects.

True

False

2. Objectivity and parsimony are both related to the rigor of an investigation?

True

False

3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the of the investigation What must be filled on the line?

a. Rigor

b. Precision and confidence.

c. Objectivity

d. Parsimony..

One of the most significant differences between the nervous system and endocrine system is that the nervous system uses electrical impulses to send messages through neurons while endocrine glands use hormones to send messages to the target cells through the bloodstream.

The nervous system and the endocrine system is different because of the use of method for sending messages to the cell.

How are the nervous system and the endocrine system different?

The main difference between the nervous system and endocrine system is that the nervous system uses electrical impulses to send messages throughout the body while on the other hand, endocrine glands use hormones to send messages to the cells through the bloodstream.

So we can conclude that the nervous system and the endocrine system is different because of the use of method for sending messages to the cell.

Well, the big difference is that the nervous system uses electrical impulses to send messages through the neurons; whereas the endocrine system uses hormones to send messages to the cells its targeting through the bloodstream.

If an embolus breaks off in a systemic vein in the leg, it would be able to pass through the artery of lungs.

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Organelle I is the ribosome, which is responsible for protein synthesis. Organelle III is the mitochondrion, which is involved in energy transformation and energy production through cellular respiration.

Organelle I, which is labeled as the ribosome, is responsible for protein synthesis. Ribosomes are involved in the process of translation, where they read the mRNA (messenger RNA) and assemble amino acids into polypeptide chains, ultimately forming proteins.

Organelle III, which is not specified in the question, cannot be identified based on the provided information. However, if we assume it refers to mitochondria (as labeled with Roman numeral VI), then its function is energy production.

Mitochondria are the powerhouses of the cell and are involved in cellular respiration, a process that generates ATP (adenosine triphosphate), the primary energy currency of the cell.

Therefore, the correct functions for organelle I (ribosome) are protein synthesis, and for organelle III (mitochondria) are energy production.

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left one going up is evaporation. top one is condensation. the one next to that is precipitation. then I forgot the other too, sorry.

Water evaporates from bodies of water such as the ocean, rivers, etc., condensation occurs in clouds, and the water flows back to the ocean via rain; this cycle is known as the water cycle.

The water cycle consists of four main stages: evaporation, condensation, precipitation, and collection. In evaporation, water changes from a liquid to a gas or vapor, then rises into the atmosphere, where it cools and begins to condense into tiny droplets, forming clouds known as condensation. Precipitation occurs when water falls from the clouds to the ground and is collected by rivers, lakes, and other bodies of water.

Hence, water evaporates from bodies of water such as the ocean, rivers, etc., condensation occurs in clouds, and the water flows back to the ocean via rain.

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I think that would be B:  Prairie dogs are an important source of food for many other species.

hope this helps. and please correct me if I'm wrong ^^

The mandible (D) is the bone that does not contain air sinuses.

Bones are hard mineral structures that make up the skeleton of vertebrates. They offer both the framework for the body and protection for delicate internal organs such as the brain, spinal cord, and heart.

The air-filled spaces in the bones of the skull are known as air sinuses. The sinuses that are found within the facial bones are referred to as the paranasal sinuses. The sinuses have a number of functions, including decreasing the overall weight of the skull, humidifying and heating the air entering the body, and resonating during speech to amplify the sound.

Based on the given options, the answer would be option D) the mandible. The mandible is a facial bone, but it does not contain air sinuses. The other three bones listed - the frontal bone, the ethmoid, and the maxilla - all include air sinuses.

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The cis to trans conversion of retinal when photopigments respond to light is called isomerization.

What is isomerization?Isomerization is a chemical process that converts one isomer into another without altering the overall atomic composition. Isomerization may be a physical process such as changing the position of a molecule within a crystal lattice or a chemical process in which the chemical structure of a molecule is rearranged. It is generally referred to as a chemical reaction involving a structural modification that occurs spontaneously or catalytically.

Isomerization is a natural process that occurs in a variety of biological systems, including retinal when photopigments react to light. When retinal absorbs light, the retinal molecule undergoes a cis-to-trans isomerization. The conformation of the molecule alters from a bent, unstable conformation to a straight, more rigid one, resulting in the activation of an ion channel in the cell membrane. This, in turn, results in the generation of a visual signal that is sent to the brain, and the sensation of light is perceived.

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The color of light(s) that are the best for plants to grow indoors are violet-blue light with a 400 – 520 nanometer range (Option E). They are best for chlorophyll absorption and photosynthesis. The option that supports the answer above is: "The absorption spectrum of plants shows those colors as the most effective" (Option B).

This spectrum is made up of light frequencies communicated with dark bands when electrons absorb energy in the ground state in order to reach higher energy levels. When atoms absorb energy, they form this sort of spectrum.

An absorption spectrum is made up of the frequencies of light transferred with dark bands when electrons in the ground state absorb energy to attain higher energy states.

The absorption spectrum of chlorophylls comprises wavelengths of blue and orange-red light, as evidenced by maxima at 450-475 nm and 650-675 nm, respectively.

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Answer:

depressive illness, anxiety disorder, obsessive compulsive disorder, anorexia etc.....

Explanation:

it's easy to understand just need to focus

Answer || The central nervous system and the peripheral nervous system.

The nervous system is a complex system that is made up of nerves and nerve centers in different organisms that carries messages to and from the brain and the spinal cord to send them into various parts of the body.

It is primarily divided into :

1 ) CNS that is central nervous system ( made up of brain and spinal cord). The CNS is responsible for the voluntary functions of the body.

2 ) PNS that is peripheral nervous system ( possess cranial and spinal nerves arising from brain and spinal cord respectively). It controls the involuntary functions of the body.

Point mutations, deletions, and insertions can all affect the resulting protein in different ways, ranging from subtle changes in structure and function to complete loss of function.

A point mutation is a change in a single nucleotide in the DNA sequence. This can result in a change in the amino acid that is incorporated into the protein during translation. Depending on the location and nature of the amino acid substitution, the protein's structure and function can be affected.

Deletions involve the removal of one or more nucleotides from the DNA sequence. If the deletion occurs in a coding region of the gene, it can result in a frameshift mutation, where the reading frame of the mRNA is altered, causing a completely different sequence of amino acids to be incorporated into the protein.

Insertions involve the addition of one or more nucleotides into the DNA sequence. Similar to deletions, insertions can cause a frameshift mutation if they occur in a coding region of the gene. This can result in a completely different sequence of amino acids being incorporated into the protein, leading to a truncated or nonfunctional protein.

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Answer:

Daughter chromosomes move toward opposite poles of the cell.

Explanation:

Prophase is the beginning of cell division. At this stage, the CHROMATIN from which the chromosomes are formed thickens and twists spirally and CHROMOSOMES are formed which become visible under a microscope.

CENTRIOLS are organelles whose main role is to form a dividing spindle during cell division, now they separate and move towards the poles of the cell.

When they reach the poles, the threads of the dividing spindle are formed between them. Chromosomes are attached to these threads.

The three main components of the cardiovascular system are the heart, blood vessels, and the blood.

The heart is responsible for pumping blood throughout the body, which is necessary to transport oxygen, nutrients, and other important substances to the cells in the body.

The blood vessels in the cardiovascular system can be divided into three main types: arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart and toward the body's tissues, while veins carry deoxygenated blood back to the heart. Capillaries are small, thin-walled vessels that allow for the exchange of nutrients, oxygen, and waste products between the blood and the body's cells.

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Answer:

The blood

Explanation:

I got the answer right on a test.

Answer:Living organisms are dependent on other living organisms to survive

Explanation:

1. Based on the Punnett square, the number of short-haired offspring and long-haired offspring can be determined by counting the respective combinations of alleles.

2. There is a possibility of pure breed (homozygous) short-haired offspring in the cross if both parent organisms contribute the short-haired allele.

1. Based on the Punnett square, we can determine the potential number of short-haired and long-haired offspring. Let's assume that "S" represents the dominant allele for short hair and "s" represents the recessive allele for long hair. If both parents are heterozygous (Ss), the Punnett square would look like this:

S        s

S SS Ss

s Ss ss

From the Punnett square, we can see that there are three possible genotypes: SS, Ss, and ss. The SS and Ss genotypes correspond to short-haired offspring, while the ss genotype corresponds to long-haired offspring.

Therefore, based on the Punnett square, 75% of the offspring (3 out of 4) may be short-haired, while 25% of the offspring (1 out of 4) may be long-haired.

2. There will not be a pure breed (homozygous) short-haired offspring in this cross. A pure breed (homozygous) short-haired offspring would have the genotype SS. However, in the given cross, both parents are heterozygous (Ss). This means that each parent carries one copy of the dominant allele (S) and one copy of the recessive allele (s).

When the parents are crossed, the possible genotypes of the offspring are SS, Ss, and ss. As we can see from the Punnett square, the genotype SS is not possible as there is no parent that contributes the recessive allele (s) to create a homozygous short-haired offspring.

Therefore, all the short-haired offspring in this cross will be heterozygous (Ss), carrying one copy of the dominant allele (S) and one copy of the recessive allele (s).

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Answer:

try a mechanical digestion

Explanation: