Pls answer this question i need help
pls i cant wait for more than 5 mins

Answer:

D: Neutral mutation. It says the eyesight remains normal. Therefore it cannot be harmful. Changing eye color has no effect on the ability to find food. Eye color is just an appearance.

Explanation:

Answer:

c

Explanation:

Answer:

punnett the organism with the genotype sBbLl

After garbage is placed on the surface of old dump, the substance from the garbage seep through the soil and reach groundwater (option A).

Garbage is useless or disposable material; waste material of any kind.

A dump is a place where waste or garbage is left; a ground or place for dumping ashes, refuse, etc.; a disposal site.

According to this question, when garbage is placed on the surface of an old dump, the substances from the garbage seep through the soil and reach groundwater.

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A lab report can be defined as a summary of the outcomes of an investigation (in this case homeostasis).

The purpose of research is to try to answer to a proposed explanation (hypothesis) about a particular issue from the real world.

In this case, our working hypothesis may be associated with the internal state of equilibrium (homeostasis) of organisms.

In conclusion, a lab report is a summary of the outcomes of an investigation (in this case homeostasis).

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The question was incomplete as the diagram was missing, however, the correct diagram is attached with the answer -

Answer:

The correct answer is - scale

Explanation:

The thermometer used to measure temperature by comparison of the object or the parameter of the temperature to measure, with a calibrated pattern that is called scale.

A Thermometer has two scales on both left and right side: degrees Celsius on the left and degrees Fahrenheit on the right.

As given in diagram label with "A'' in a circle on the left side is The degrees of the scale.

Answer:

A - scale

Explanation:

Well I suggest BIOLOGY!!!!!

Answer:

pathogen a pathogen is an organism that causes disease

Explanation:

At the end of meiosis II and cytokinesis, haploid cells contain chromosomes that each consist of two sister chromatids. Meiosis II is the second division of meiosis and it follows meiosis I. During meiosis II, the two sister chromatids of each chromosome are separated from each other, resulting in the production of haploid daughter cells.

The process of meiosis involves two rounds of cell division, each consisting of different stages. In meiosis I, the homologous chromosomes pair up and exchange genetic material in a process called crossing over. The chromosomes are then separated, resulting in the production of two haploid daughter cells that each contain a mix of genetic material from both parents.

In meiosis II, the sister chromatids of each chromosome are separated from each other. This results in the production of four haploid daughter cells, each containing a single set of chromosomes that each consist of two sister chromatids. These haploid daughter cells can then go on to participate in sexual reproduction, combining with another haploid cell to form a new, genetically diverse individual.

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At the end of Telophase I and cytokinesis, haploid cells contain chromosomes that each consist of two sister chromatids. At the end of Telophase II and cytokinesis, haploid cells contain chromosomes that each exist independently.

The question is asking about the specific stages in meiosis where haploid cells contain chromosomes that each consist of two sister chromatids. At the end of Telophase I and cytokinesis, haploid cells contain chromosomes that each consist of two sister chromatids. This happens because during Telophase I, chromosome pairs reach the poles of the cell, and the cytoplasm divides. Each resulting haploid cell, therefore, has the half number of chromosomes, and each chromosome consists of two sister chromatids. On the other hand, at the end of Telophase II and cytokinesis, haploid cells contain chromosomes that each exist independently, not as sister chromatids, because during Anaphase II, the sister chromatids separate.

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Answer:

Effects that are found at a divergent boundary between oceanic plates include: a submarine mountain range such as the Mid-Atlantic Ridge; volcanic activity in the form of fissure eruptions; shallow earthquake activity; creation of new seafloor and a widening ocean basin.

Answer: Option B)

Im 100% sure its the answer!

Answer:

Explanation:

the answer is 1% but it is not one of the answers on here

Answer:

Photosystems are functional and structural units of protein complexes involved in photosynthesis. Together they carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons.

Explanation:

i tink this is helpful dor you

Answer:

population is decreasing

Explanation:

Answer:

Explanation:

Gravity: You can feel its effects and it is associated with mass, yet it doesn't consist of matter. Memories: Like emotions, these are non-matter. Dreams: Again, you can't weigh them on a balance or enclose them in a container. Magnetism: Forces, in general, are not matter.

most matter is a mixture: It is composed of two or more types of matter that can be present in varying amounts and can be separated by physical means. Heterogeneous mixtures vary in composition from point to point; homogeneous mixtures have the same composition from point to point.

A substance is simply a pure form of matter. In other words, a substance is a matter that contains only one type of atom or molecule. Pure substances can be further divided into two sub-categories: elements and compounds.

Note that a compound: consists of atoms of two or more different elements bound together, can be broken down into a simpler type of matter (elements) by chemical means (but not by physical means), has properties that are different from its component elements, and.

No, sunlight is not a matter because it does not occupy space. Sunlight is a form of electromagnetic radiation and is made of small particles called photons.

symmetric encryption is indeed simpler and much faster than asymmetric encryption. However, asymmetric encryption offers advantages in terms of key distribution and security.

symmetric encryption and asymmetric encryption are two different methods used in cryptography. Symmetric encryption uses a single key to both encrypt and decrypt data, while asymmetric encryption uses a pair of keys, a public key for encryption and a private key for decryption.

In terms of simplicity, symmetric encryption is indeed simpler than asymmetric encryption. With symmetric encryption, the same key is used for both encryption and decryption, making it easier to implement and understand. On the other hand, asymmetric encryption involves more complex algorithms and key management.

When it comes to speed, symmetric encryption is generally faster than asymmetric encryption. This is because symmetric encryption algorithms are designed to process data quickly, while asymmetric encryption algorithms are more computationally intensive.

However, it's important to note that symmetric encryption has a limitation in terms of key distribution. Since the same key is used for encryption and decryption, the key needs to be securely shared between the sender and the recipient. Asymmetric encryption solves this problem by using a public key for encryption, which can be freely shared, and a private key for decryption, which is kept secret.

Overall, while symmetric encryption is simpler and faster, asymmetric encryption offers advantages in terms of key distribution and security.

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About 71% of the sunlight that reaches the Earth is absorbed by the surface of the earth and atmosphere.

The capacity to make different forms of light visible to human sight makes light energy a sort of kinetic energy. Light is referred to as electromagnetic radiation that is produced by hot things like the sun, lasers, and lightbulbs.

Photons, which are tiny energy packets, are present in light. Photons are created when the atoms of an item undergo a heating process; this is how photons are created. The heat excites the electrons, which leads to their producing more energy. A photon is produced when the energy is released, and as the substance heats up, more photons are produced.

Therefore, 71% of the sunlight that reaches the Earth is absorbed by the surface of the earth and atmosphere.

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I do not agree with the student's claim that "ALL DNA codes for proteins." My claim is that not all DNA codes for proteins, and there is evidence and reasoning to support this claim.
One piece of evidence is the existence of non-coding DNA, which makes up a large portion of the human genome. Non-coding DNA does not code for proteins, but it plays important roles in regulating gene expression and maintaining chromosome structure.
Another piece of evidence is the fact that only a small portion of the human genome codes for proteins. According to the National Human Genome Research Institute, only about 1.5% of the human genome codes for proteins, while the remaining 98.5% is made up of non-coding DNA.
My reasoning for this claim is based on the evidence mentioned above. If all DNA coded for proteins, then there would not be any non-coding DNA and the entire human genome would be made up of protein-coding DNA. However, this is not the case, as evidenced by the existence of non-coding DNA and the fact that only a small portion of the human genome codes for proteins.
Therefore, I do not agree with the student's claim that "ALL DNA codes for proteins."

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Heterosporous plants are the ones that produces two different type of spores. Spores can be different in shape and size and that's the name heterosporous. It produces two different shaped spores to differentiate between male and female gametophytes

plz mark me brainliest ok !!!!!!

Kinesis describes the movement patterns of this insect.

Kinesis, animals slow down in favorable environments and speed up in unfavorable ones. In this way the animal spends more time in a favorable environment.

In kinesis, an organism changes its movements in a directionless way. Example : Accelerate or decelerate - depending on the information. Woodlice, for example, move faster in response to temperatures higher or lower than their preferred range. Kinesis has been shown to be beneficial both in patch assimilation and in altering food distribution. Kinesis can slow species invasion and spread through the Alley effect.

An example of kinesis is the movement of cells or organisms as a result of exposure to certain stimuli such as light, temperature or chemicals.

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Complete question:

An insect moves randomly at different speeds depending if it is in a favorable environment or not. Which of the following describe this insect's movement pattern?

Kinesis

Taxis

Answer:

Spleen: This largest lymphatic organ is located on your left side under your ribs and above your stomach.  

Thymus: This organ is located in the upper chest beneath the breastbone. It matures a specific type of white blood cell that fights off foreign organisms.

Tonsils and adenoid: These lymphoid organs trap pathogens from the food you eat and air you breathe. They are your body’s first line of defense against foreign invaders.

Explanation:

Answer:

D

Explanation:

Mitochondria are cellular organelles that are involved in cellular respiration, which generates adenosine triphosphate (ATP).

ATP is responsible for the body's energy production, which is required for different metabolic functions. A lack of mitochondria would result in a significant impact on the body's metabolic processes.If all your mitochondria were destroyed, you would have much less ATP available to think, move muscles, etc. Metabolically, ATP is essential for the body's metabolic activities. ATP is produced via oxidative phosphorylation, which occurs in the mitochondria. Hence, if the mitochondria are destroyed, the body cannot produce ATP via oxidative phosphorylation, leading to an insufficient ATP supply. As a result, the body's metabolic processes will significantly slow down or stop.
Additionally, you would have much less oxygen available to think, move muscles, etc. Mitochondria are responsible for oxygen utilization in cellular respiration. If the mitochondria are destroyed, oxygen is not effectively used. Hence, less oxygen would be available to think, move muscles, etc.
Furthermore, you would have much less glucose available to think, move muscles, etc. Mitochondria are involved in the process of breaking down glucose during cellular respiration to produce ATP. If mitochondria are destroyed, glucose breakdown would be significantly reduced, leading to lower levels of ATP production. This would result in a lack of glucose available for the body's metabolic activities.
Therefore, a lack of mitochondria would have a considerable impact on the body's metabolic processes, leading to a shortage of ATP, oxygen, and glucose supply.

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Answer:20

Explanation:

its 20

Answer: The number of the two recombinant types is 200, divide by the total number of offspring is 1000, and multiply by 100, so the map unit is 20.

What are recombinant types?

The heterozygous dominant species, in this case, is YyLl, where Y stands for the dominant trait over y and T stands for the dominant trait over t.

Recombinant species will exhibit features that are heterozygously expressed in both the dominant and recessive forms), and these traits are Yyll: 100 and yyLl: 100.

Therefore, The number of the two recombinant types is 200, divide by the total number of offspring is 1000, and multiply by 100, so the map unit is 20.

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Explanation:

Correct sequence of events during plant responses to internal and external signals involves reception of the signal, signal transduction, signal amplification, generation of a response, and subsequent adaptation to the new conditions.

To determine the correct sequence of events that take place during plant responses to internal and external signals, let's examine the key mechanisms involved:

Reception: Plants receive internal and external signals through specialized proteins known as receptors. These receptors can be located on the cell membrane or within the cell, depending on the nature of the signal.

Signal Transduction: Upon binding to a specific signal molecule, the receptor initiates a series of molecular events known as signal transduction. Signal transduction involves the conversion of the received signal into a cellular response. It often includes the activation of secondary messengers or signaling molecules that propagate the signal within the plant cell.

Amplification: During signal transduction, the initial signal is often amplified. This means that a single receptor activation event can trigger a cascade of molecular reactions, leading to a more significant response within the plant cell.

Response: The amplified signal ultimately triggers a specific response in the plant. The response can vary depending on the nature of the signal and the plant's physiological state. Examples of plant responses include changes in gene expression, altered growth patterns, opening or closing of stomata, production of secondary metabolites, or changes in hormone levels.

Adaptation: After the response, plants often undergo adaptation to the new conditions. This can involve long-term changes in gene expression, adjustment of growth patterns, or modification of physiological processes to optimize survival and reproductive success.

It's important to note that these mechanisms are not always linear and can overlap or occur simultaneously, depending on the specific signaling pathway and the nature of the signals involved. Additionally, different signals may trigger different responses and adaptations in plants.

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a) In the first question, a vestigial-winged, spineless-bristled male (vv bb) is crossed with a homozygous wild-type female (VV BB). The genotypes of the progeny will be VvBb, and the phenotypes will be long-winged with long bristles.

The ratio of the progeny will be 1 VvBb : 1 VVBb : 1 vvBb : 1 vvBB. b) If the F1 progeny from the cross are permitted to mate randomly among themselves, the expected progeny in the F2 generation would have the following phenotypes and ratios: - 9 long-winged with long bristles (VvBb) - 3 long-winged with spineless bristles (Vvbb) - 3 vestigial-winged with long bristles (vvBb) - 1 vestigial-winged with spineless bristles (vvbb) 2. In the second question: a) The genotypes possible for the mother of the colorblind man can be XBXb or XbXb.

b) The chances that the first child from this marriage will be a colorblind boy are 50%, as the colorblind man would pass the Xb allele to all his sons, and the mother can potentially pass the Xb allele if she is XBXb. c) None of the daughters from this marriage can be expected to be colorblind, as colorblindness is a sex-linked recessive trait and females need to inherit the Xb allele from both parents to be colorblind. d) Half of the children (both sexes) of these parents can be expected to have normal color vision, as the mother can pass on either the XB or Xb allele, and the father only passes on the Xb allele. 

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A) In the F2 progeny, we would expect a ratio of 50% long-winged and long-bristled, 25% long-winged and spineless-bristled.

B) 25% long-winged and spineless-bristled, and 25% vestigial-winged and spineless-bristled.

a) In the first part of the question, we are given that vestigial wings and spineless bristles in Drosophila melanogaster are produced by recessive alleles of two genes located on different autosomal chromosomes. The wild-type alleles, determining long wings and long bristles, are dominant.

So, when a vestigial-winged, spineless-bristled male (genotype: vv ss) is crossed with a homozygous wild-type female (genotype: VV SS), the genotypes and phenotypes of the progeny can be determined using Punnett square.

The genotypes of the progeny would be:
- 50% VvSs (heterozygous for both traits)
- 50% VVSS (homozygous for both traits)

The phenotypes of the progeny would be:
- 50% long-winged and long-bristled (wild-type)
- 50% vestigial-winged and spineless-bristled

b) In the second part of the question, if the F1 progeny from the previous cross (VvSs x VvSs) are allowed to mate randomly among themselves, the genotypes and phenotypes of the F2 progeny can also be determined using a Punnett square.

The genotypes and phenotypes of the F2 progeny would be:
- 25% VVSS (long-winged and long-bristled)
- 25% VvSS (long-winged and long-bristled)
- 25% VVSs (long-winged and spineless-bristled)
- 25% vvss (vestigial-winged and spineless-bristled)

So, the expected ratios of phenotypes in the F2 progeny would be:
- 50% long-winged and long-bristled
- 25% long-winged and spineless-bristled
- 25% vestigial-winged and spineless-bristled

Note: It is important to mention that these ratios are expected ratios and may vary in actual experimental results.

I hope this helps! Let me know if you have any further questions.

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Ectoderm: central nervous system, peripheral nervous system, epidermis Mesoderm: notochord, kidney tubule cells, skeletal muscle Endoderm: red blood cells, thyroid follicular cells, lung alveolar cells, pancreatic acinar cells

I'll list the germ layers and their corresponding tissues or structures:
Ectoderm:
- Central nervous system
- Epidermis
- Peripheral nervous system
Mesoderm:
- Red blood cells
- Notochord
- Kidney tubule cells
- Skeletal muscle

Endoderm:
- Thyroid follicular cells
- Lung alveolar cells
- Pancreatic acinar cells

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