What part of the virus allows it to enter a specific host cell?
What part of the host cell lets the virus in?
Please answer only in a few words not sentences

A description of the compost bin that can be used for this experiment is that the bin is a rectangle-shaped container that is made of wood. This container is 150 cm wide and 30 cm deep. It can hold up decaying materials for up to one month.

The compost can be used to store decaying materials that will be used in a nearby farm for manure. Composting is the act of storing up decomposable materials that remain in a container until they are ready for use.

The compost so obtained can be used to improve the fertility of the soil where crops will be planted.

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Answer:

Severe abdominal pain after eating

Answer: true

Explanation:

Once fertilized, the egg is called a zygote. Fertilization is not complete, however, until the two haploid nuclei (called pronuclei) have come together and combined their chromosomes into a single diploid nucleus.

Answer:

ribosome

Explanation:

Answer: A

Explanation:

The double helix describes the structure of DNA.Apr

Answer:

Find the description below in the explanation section

Explanation:

The body system regulates the blood sugar level via the hand-in-hand working of insulin and glucagon hormones, both produced by the Pancreas. After a meal, the food undergoes digestion and is broken down into glucose, which is absorbed into the bloodstream. Insulin hormone is released by the pancreas (stimulated by a negative feedback) when the sugar level of the blood increases. This secretion of insulin causes cells to absorb glucose as source of energy, while liver and muscle cells store some of the excess blood glucose as GLYCOGEN.

However, after about 6 hours of taking the meal, the blood sugar (glucose) level must have decreased. This triggers the secretion of Glucagon hormone by the Pancreas. Glucagon hormone, acts in an opposite manner as Insulin hormone, by causing the stored GLYCOGEN in the liver and muscle cells to be converted back to Glucose in order for cells to make use of it.

This continuous process occurs and it is how the body regulates the blood glucose levels.

Answer:

C. Releases hormones to regulate the endocrine system

Explanation:

Release hormone to regulate the endocrine system. Therefore, option (C) is correct.

The pancreas is a vital organ located in the abdomen, behind the stomach. It has both exocrine and endocrine functions. The exocrine part produces enzymes that help in the digestion of food in the small intestine, while the endocrine part produces hormones that regulate blood sugar levels. The hormones produced by the pancreas include insulin, glucagon, somatostatin, and pancreatic polypeptide.

Insulin helps to lower blood sugar levels by promoting the uptake of glucose into cells, while glucagon raises blood sugar levels by stimulating the liver to release glucose into the bloodstream. Somatostatin helps to regulate the release of insulin and glucagon, and pancreatic polypeptide plays a role in digestion and appetite regulation. Dysfunction of the pancreas can lead to various disorders, including diabetes and pancreatic cancer.

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Answer:

it's C definitely because the system present organism allows it performs a biochemical reaction

The post-collision velocity of the ball is 0.25m/s. The ball follows the law of conservation of momentum.

The law of conservation of momentum states that the amount of momentum remains constant. The momentum is neither created nor destroyed, but can only transform through the action of forces as described by Newton's laws of motion.

Initial Momentum = Final Momentum

m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂

Here, the external force is zero, so this will follow the law of conservation of momentum of system.

The mass of ball (m₁) = 4kg and with initial speed (u₁)= 9m/s

mass of pin (m₂) = 3.0kg with zero initial speed

Now, let the final speed of ball = v₁ and final speed of pin (v₂) = 12m/s

Now, by applying momentum conservation

m₁u₁ + m₂ × 0 = m₁v₁ + m₂v₂

4.0kg × 9.0m/s = 4.0kg × v₁  + 3.0kg × 12m/s

36.0kgm/s - 36.0kgm/s = 4.0 × v₁

So, final speed of ball (v₁) = 0.25m/s

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Answer:

best he

Explanation:

try the best answer will be

Answer:

D

Explanation:

D) All ships coming from Australia should be inspected to make sure there are no brown tree snakes on board.

The most effective solution for controlling the brown tree snake population in Guam would be to prevent their introduction and spread in the first place. As the brown tree snakes were accidentally introduced to Guam through transportation, the scientist's solution should focus on preventing further introduction of these snakes into Guam.

Therefore, inspecting all ships coming from Australia to ensure that they are not carrying brown tree snakes on board would be the most appropriate solution. This would prevent any additional brown tree snakes from entering the ecosystem and allow for the restoration of the biodiversity of Guam.

Option A is not appropriate as introducing a new species could cause unforeseen ecological consequences and harm the native species further.

Option B is not effective as it could harm other animals in the ecosystem.

Option C is not a practical solution as moving people from Guam would not be feasible, and it does not address the root cause of the problem, which is the introduction of the brown tree snake.

Answer:

photosynthesis and metabolism

Explanation:

during photosynthesis, plants use carbon dioxide and produce oxygen. during metabolism, oxygen is used and carbon dioxide is a product.

Answer:

Anaphase 1

Explanation:

At pH 7, this enzyme's maximal initial reaction rate is 350 X 10>6 per minute of product produced with a saturation of 2–4g of substrate.

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The long, bushy tail of the raccoon may be a selective advantage for this species because the bushy tail helps keep the face warm during a snowstorm (Option d). In addition, it may serve as camouflage and also may act to communicate with other members of the population.

An evolutionary selective advantage is a feature in a species that confer an advantage to survive and reproduce in a particular environmental condition, which may be associated such as in this case to the tail in raccoons.

Therefore, with this data, we can see that an evolutionary selective advantage is any phenotypic feature that enhances the survival and or reproductive rate of individuals in a population or species.

Complete question:

The opossum is a new arrival in southern Ontario. Its niche is similar to that of the raccoon. An opossum has a long, bare, rat-like tail. A raccoon has a long, bushy tail. How is this a selective advantage for the raccoon?

selective advantage only applies to populations

the opossum  tail can grab onto a tree for balance

tail fur does not have an impact on survival

the bushy tail helps keep the face warm during a snowstorm

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Answer:

Explanation:

100m

500m

2500m

Eubacteria and Archaebacteria are the two Kingdoms are nearly the same. The correct option is C.

Eubacteria are prokaryotic microbes that consist of a single cell that lacks a nucleus and contains DNA in the form of a single circular chromosome.

Eubacteria are gram-negative or gram-positive bacteria with economic, agricultural, and medical significance. E. coli, Lactobacilli, and Azospirillum are among them.

Archaebacteria are referred to as ancient bacteria, whilst the eubacteria are referred to as true bacteria.

Archaebacteria, unlike eubacteria, can survive in harsh environments.

The resemblances are that archaea and eubacteria are both prokaryotes, which are single-celled organisms without a nucleus or organelles.

Thus, the correct option is C.

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Asexually reproducing aliens would be more susceptible to the NASA-created virus. Option A is correct.

This is due to the fact that asexual reproduction creates genetically identical offspring through the process of mitosis without the transfer of genetic material from one person to another. Because of this lack of genetic diversity, any mutation or genetic change caused by the virus would have an impact on the entire population. On the other hand, through meiosis and fertilisation, sexually reproducing aliens create offspring with distinctive genetic material. Due to the fact that different people would react to the virus differently due to genetic diversity, it would be more challenging for the virus to infect the entire population. As a result, the virus would spread more readily and have a greater effect on the asexually reproducing aliens.

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Answer:

Promoter.

Explanation:

It is promoter because Promoter is a DNA sequence where's the gene transcription begins. It is the

DNA sequence which RNA polymerase binds or join to

so as to begin transcriptionn of a gene . It is a region where the regulatory elements i.e protein will bind to and the Promoter sequences are found directly upstream or at the end of 5' of the transcription initiation site. This can also encode RNA such as mRNA, trans and so on.

Answer:

No, so people have enough money to live with water, raising its price means less water for other poor people.

Explanation:

The phylogenetic tree from above inferred the simple relationship of how the different species of living organisms evolved from phylum Porifera to phylum echinodermata.

A phylogenetic tree can simply be defined as a system of classification of living organisms showing the orgins of different organisms from the simplest to the most complex forms. It tells us how these plants and animals evolved from. their ancestral origins. Animals are generally classified into the vertebrates ( those animals that have backbones ) and invertebrates ( those animals without the backbones )

That being said, from the task given above, the tree shows the phylogenetic tree of animals of the following organisms:

So therefore, it can be deduced that the classification of living organisms is the based on their similarities and differences.

The complete image is attached.

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Answer:

C.

Explanation:

c. sun- grass-rabbit-wolf

Answer:

C

Explanation:

sun- grass-rabbit-wolf

Sun makes grass grow, rabbits eat grass, and finally wolves eat rabbits.

Answer:

d

Explanation:

Answer:

GGC AUU, in transcription pair for RNA, Uracil is present instead of Thymine.

Answer:

Piaget's theory has some shortcomings, including overestimating the ability of adolescence and underestimating infant's capacity. Piaget also neglected cultural and social interaction factors in the development of children's cognition and thinking ability.

The Hadean is considered the first division of the Precambrian, it starts with earth formation and ends with the Archean, lasting 567 million years. This eon is characterized by intense volcano activity, and a quite turbulent environment, nonetheless is in this era that is proposed the first traces of life, going from the first self-replicant molecules and protobionts to the last common ancestor. Taking this into account we can say that the correct answer is option C.