Which structure is found in all eukaryotic cells?


flagella


large central vacuole


cilia


Golgi apparatus

Answer:

BBBBBB

Explanation:

Answer:

The answer is (B) or Asexual Reproduction (If you are on Edge2021).

Explanation:

Oh and by the way sometimes answers with 3 stars can be wrong so for other people's sake and their grades, please rate this 4 or 5 stars. As I said, if the answer is right, don't rate it the lowest rating, like good for 3 stars.  That is kinda rude, and it can mess up people's grades.

Did you know: If you get good grades, you can get into good schools and universities as you get older? It is a true fact (at least I think...).

Anyways, that is your answer! Have a great day/night!

Answer:

The cell wall is a rigid, protective layer that surrounds the cells of plants, fungi, bacteria, and some protists. It is located outside of the cell membrane and provides structural support and protection for the cell. The cell wall is made up of different components depending on the type of organism, but it typically contains cellulose in plants, chitin in fungi, and peptidoglycan in bacteria. The cell wall also helps regulate the movement of water and other substances in and out of the cell.

Explanation:

Answer:

A cell wall forms the outer covering of a cell

Answer:

True.

Explanation:

Hope this helps!

Small intestine is the primary gastrointestinal tract location where protein, starch and fat is digested in pigs and horse. Large intestine  is the primary GI tract location where fiber is digested in pigs and horse . But rumen is the tract where protein, fiber, starch and fat are digested in for cows.

A horse's needs for energy, protein, vitamins, and minerals are the same as those of other animals, but it has a different sort of digestive system that falls between ruminants and non-ruminants. Humans, pigs, and dogs are non-ruminants, and they digest carbs, protein, and fat by enzymatic action. Ruminants (cattle, sheep, and deer) use enzymatic digestion in the small intestines and bacteria in the fore stomachs to ferment cellulose.

Enzymatic digestion is used for all actual digestion in horses, and it happens in the foregut before the cecum. This is responsible for nearly all of the soluble carbohydrate digestion and 52–58% of the crude protein digestion (fiber excluded). The cecum and colon also undergo bacterial or microbial digestion of fiber, resulting in a significant production of volatile fatty acids that are thereafter absorbed.

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During meiotic events, a germ cell divides and produces 4 gametes. During fertilization events, each parent provides one gamete, and they merge and produce a new diploid cell (zygote). In the attached files you will find the image with the answer.

Meiosis is the cell division process that follows the interphase and produces gametes from germ cells.

Through Meiosis, a diploid germ cell (2n) produces four haploid daughter cells (n), the gametes. After the interphase, during which occurs DNA replication, there are two meiotic phases.

Crossing-over and independent segregation during meiosis is what introduces genetic variation.

Fertilization is the process thrugh which gametes from both parents (one gamete provided by each parent) randomly merge and produce the zygotes, which are new diploid cells.

In the attached files you will find the answer to the problem.

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Answer:

a sessile form called the polyp

By taking into account the potential gene combinations from the parents, this distribution is created. Each A and A gene has a 0.5 chance of being passed down from the father. One gene can only be passed from the mother.

The kid either inherits an A gene from the father and an a gene from the mother (resulting in the genotype Aa) or the child obtains an a gene from both parents (resulting in the genotype aa). These two possibilities are therefore equally likely.

a) Genotype Probability

Aa 0.5

aa 0.5

This is because there are two possible combinations when one gene is chosen randomly from each parent: Aa and aa. Each combination has an equal probability of 0.5.

b) 1) Genotype Probability

AA 0.25

aa 0.25

Aa 0.5

This distribution arises from the possible combinations when one gene is chosen randomly from each parent: AA, aa, and Aa. Each combination has an equal probability of 0.25.

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Answer:matter

Explanation:foundonweegy

Environmental variables affect migration patterns, which involves changes in their interactions with the environment, and vice versa.

Migration is the term for individuals moving from one location to another, frequently changing their primary residence in the process. The term "human-environmental interaction" describes how people interact with and affect their surroundings. Environmental variables affect migration patterns, the effects of migration on the environment, the manner in which migrants adapt to and are influenced by the environment of their destination places, and other complex and linked aspects of migration and human-environmental interaction. The events can be ordered as -

1. Tribal culture hunts buffalo on grasslands

2. Mechanized culture uses plows to turn grasslands into farms

3. Climate changes so farms die

4. Group migrates away from area

Complete Question:

Order this list of events to show a typical story of migration and human-environmental interaction.

Potential Matches:

1 : Climate changes so farms die

2 : Group migrates away from area

3 : Tribal culture hunts buffalo on grasslands

4 : Mechanized culture uses plows to turn grasslands into farms

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Given what we know, in order to come to a reliable conclusion about any topic, including pillbug preferences, you would need to use the scientific method.

Therefore, by creating a hypothesis, we pose a question to be answered through the implementation of an experiment. We can then record data and analyze the results of that experiment in order to form a valid conclusion and report our findings.

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The Animals have developed various ways to deal with the simultaneous activation of two or more motivational states. One common strategy is to prioritize one motivational state over the other.  if an animal is hungry and thirsty at the same time, it may prioritize its need for water over food if water is more scarce or critical for survival.

This prioritization may be influenced by external factors such as environmental conditions, social context, or available resources. Another strategy is to find a way to satisfy both motivational states simultaneously.  an animal may engage in a behavior that satisfies both its hunger and its need for social interaction, such as foraging in a group. This strategy is more likely to be used when the two motivational states are compatible or complementary. A third strategy is to switch between the two motivational states rapidly and flexibly. This strategy requires cognitive flexibility and the ability to assess the relative importance and urgency of each motivational state in real-time. Overall, the way animals deal with the simultaneous activation of multiple motivational states is influenced by their ecological niche, their evolutionary history, and their cognitive abilities. By employing a combination of prioritization, integration, and flexibility, animals are able to adapt to complex and dynamic environments.

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Genetically modified foods fall under the purview of all of the given options except World Health Organization (WHO). The correct answer is (c)

The WHO is an international organization that is not directly involved in the regulation of genetically modified foods. The WHO does, however, provide guidance on the safety of genetically modified foods and works to ensure that they are regulated in a way that protects human health.

The USDA, FDA, and EPA are all involved in the regulation of genetically modified foods in the United States.

The USDA is responsible for ensuring the safety of genetically modified crops, the FDA is responsible for ensuring the safety of genetically modified food products, and the EPA is responsible for regulating the environmental impact of genetically modified crops.

Therefore, the correct option is C,  WHO.

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Answer:

B. Adenine

Explanation:

ATP contains three things: Adenosine, adenine, and phosphate groups. The only one missing from this diagram is adenine.

Polyp and medusa jellyfish can produce female offspring through parthenogenesis.  

Parthenogenesis is a form of reproduction in which offspring are produced without the involvement of a male. In some species, including some jellyfish, females can produce offspring through parthenogenesis if they are not able to mate with a male or if the male is not present.

This process involves the activation of an egg cell, which then divides and forms a clone of the mother. The resulting offspring are genetically identical to the mother, and are usually female, as males are produced through a different process involving fertilization. This means that parthenogenesis can be used to produce all-female populations of jellyfish.  

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Answer:

Glucose and oxygen

Explanation:

Answer:

MMouse and Robin

Explanation:

Answer:

hi

Explanation:

An Enzyme

Answer:

Enzyme

Explanation:

Based on the knowledge of homeostasis, the net effect of the effector is to shut off the original stimulus or reduce its intensity, during the negative feedback mechanism to restore homeostasis.

An effector is a part of a control system which serves as means of giving response to a stimulus.

Release of the effector by the control system results in inhibition of stimulus or a minimization of the effect of the stimulus in order to maintain homeostasis.

Therefore, the net effect of the effector is to shut off the original stimulus or reduce its intensity, during the negative feedback mechanism to restore homeostasis.

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The middle square "GG" stands for "Homozygous offspring with green pod colour." With the bottom right square "gg," "Homozygous offspring with yellow pod colour" will appear.

Euclidean geometry defines a square as a regular quadrilateral because it has four equal sides and four equal angles (right angles, 90-degree angles, or radian angles). An alternative explanation is that it is a rectangle with two adjacent sides that are equal in length. It is the only regular polygon whose internal, central, and external angles are all exactly the same (90°) and whose diagonals are all the same length. A square has all the properties of all these shapes, including rhombus, kite (two pairs of adjacent equal sides), trapezoid, parallelogram (all opposed sides parallel), quadrilateral or tetragon (four-sided polygon), and rectangle. Its symbol is a square with the vertices ABCD.

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The most typical signs of musculoskeletal disorders are pain, numbness, weakness, and a reduction in motion range.

Diverse ailments that affect the bones, joints, muscles, and connective tissues are referred to as musculoskeletal disorders. These conditions may cause discomfort and function loss.

Muscles and bones combine to form musculoskeletal disorders. It is a condition that impairs bodily motion.

The most common, expensive, and incapacitating medical diseases in the US are musculoskeletal disorders. The basic mechanisms through which musculoskeletal problems result in disability and loss of employment are a loss of function and chronic pain.

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The toxin produced by certain strains of Staphylococcus aureus that causes blisters and desquamation (peeling) of the skin in scalded skin syndrome is called exfoliatin. Exfoliatin is an exotoxin produced by Staphylococcus aureus bacteria and is responsible for the characteristic symptoms observed in scalded skin syndrome.

Exfoliatin works by targeting desmoglein, a protein involved in cell-to-cell adhesion in the top layer of the skin (epidermis). The toxin causes the detachment and separation of skin cells, leading to the formation of blisters and subsequent peeling or desquamation of the affected skin.

It's worth noting that scalded skin syndrome is most commonly seen in newborns and young children, as their immune systems are still developing and may be more susceptible to the toxin's effects. Prompt diagnosis and appropriate medical treatment, such as antibiotic therapy and supportive care, are important for managing scalded skin syndrome effectively

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Answer:B

Explanation: Since there’s more snakes they’ll outweigh the rats and end up eating them until they’re gone unless the snake population decreases

Blood type is determined by the I gene. IAIA and IAi determines A blood type. IBIB and IBi determines B blood type. ii determines 0 blood type. Michelle's mother must at least carry one recessive allele i.

--------------------------------

The blood type is determined by a gene, which is triallelic.

⇒  H0m0zyg0us dominant individuals IAIA, or heter0zyg0us Individuals IAi, will express the A blood type.

⇒  H0m0zyg0us dominant individuals IBIB, or heter0zyg0us Individuals IBi, will express the B blood type.

⇒ Individuals with h0m0zyg0us recessive genotype, ii will express the 0 blood type.

⇒ Individuals carrying IA and IB alleles will express the AB blood type.

To solve the problem, we will use this information.

We know that

⇒ If Michelle is blood type 0, then her genotype is ii. She must have received one recessive allele from her father and one from her mother.

⇒ This suggests that Michelle's father, who is blood type A, is heter0zyg0us IAi. He must have at least one dominant allele IA that determines his phenotype, and one i allele.

⇒ Michelle's brother and sisters are also type A. They might be either h0m0zyg0us dominant IAIA or heter0zyg0us IAi.

⇒ Michelle's mother should have at least one recessive allele i. She could be either IAi or IBi, or ii. There are three possible option for her genotype.

Let us make the Punnet squares to understand it better. We know the genotype of the father, but there are three options for the mother.

Option 1

Cross)   father x mother

Parentals)  IAi     x     IAi

Gametes)  IA    i      IA     i

Punnett square)      IA       i

                       IA    IAIA    IAi

                        i     IAi       ii

F1) 25% of the progeny is expected to be h0m0zyg0us dominant IAIA

     50% of the progeny is expected to be heter0zygus IAi

     25% of the progeny is expected to be h0m0zyg0us recessive ii

75% of the progeny is expected to be blood type A ⇒ IAIA and IAi ⇒ Sisters and brother

25% of the progeny is expected to be blood tye 0 ⇒ ii ⇒ Michelle

Option 2

Cross)   father x mother

Parentals)  IAi     x     IBi

Gametes)  IA    i      IB     i

Punnett square)      IA       i

                       IB    IBIA    IBi

                        i     IAi       ii

F1)  25% of the progeny is expected to be IAIB

     25% of the progeny is expected to be heter0zygus IAi

     25% of the progeny is expected to be heter0zygus IBi

     25% of the progeny is expected to be h0m0zyg0us recessive ii

25% of the progeny is expected to be blood type AB ⇒ IAIB

25% of the progeny is expected to be blood type A ⇒ IAi ⇒ Sisters and brother

25% of the progeny is expected to be blood type B ⇒ IBi

25% of the progeny is expected to be blood tye 0 ⇒ ii ⇒ Michelle

Option 3

Cross)   father x mother

Parentals)  IAi     x     ii

Gametes)  IA    i      i     i

Punnett square)      IA       i

                        i     IAi        ii

                        i     IAi        ii

F1)  50% of the progeny is expected to be heter0zygus IAi

     25% of the progeny is expected to be h0m0zyg0us recessive ii

50% of the progeny is expected to be blood type A ⇒  IAi ⇒ Sisters and brother

50% of the progeny is expected to be blood tye 0 ⇒ ii ⇒ Michelle

Despite the fact we can not determine for sure the mother's genotype, we know that she carries at least one recessive allele, which is why Michelle's blood type is 0.

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The individual with the greatest selective advantage in an area where malaria is common would be III, who possesses a single copy of the HbS allele, option (c) is correct.

The HbS allele confers some resistance to Plasmodium falciparum infection, the parasite that causes malaria. In heterozygous individuals (carrying one copy of the HbS allele), the red blood cells may become sickled in response to infection, which hampers the parasite's ability to survive and reproduce.

This resistance increases the likelihood of survival and reproduction for individuals carrying the HbS allele in malaria-endemic regions. In contrast, individuals without the HbS allele (such as I, II, and V) do not possess this resistance and are more susceptible to malaria, option (c) is correct.

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The correct question is:

Possessing a single copy of the HbS allele has been shown to provide some resistance to infection by Plasmodium falciparum, the parasite that causes malaria. Which of the following individuals represented in the pedigree would have the greatest selective advantage in an area where malaria is common?

a. I

b. II

c. III

d. V