When sperm and ovum fuse at conception, they produce a zygote that typically has _____ chromosomes

Answer:

RNA

Explanation:

Answer:

RNA

Explanation:

Here is a picture to represent the differences!

Answer:

Stigma

Explanation:

Stigma – The head of the pistil. The stigma receives pollen, which will begin the process of fertilization.

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PSR does the advancement selection board panel assess correctly submitted letters to the board..

Every competition that EPSO announces and manages has a Selection Board in place, which is a separate organization. Legally, each Selection Board is an independent entity that is in charge of overseeing and managing a specific competition.

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Producers are characterized by their ability to generate their own food using chemical reactions (3), while consumers consume producers to obtain energy (5), Decomposers break down waste to obtain energy (1).

In the given examples, plants such as wheat fall under the category of producers because they produce their own energy through photosynthesis. The organisms that consume producers to obtain energy are considered consumers. These consumers can be herbivores, omnivores, or carnivores, depending on their diet.

Decomposers, on the other hand, are organisms like fungi and bacteria that play a vital role in recycling nutrients in ecosystems by breaking down dead plants and animals. By classifying these characteristics and examples, we can better understand the flow of energy within an ecosystem and the roles that different organisms play in maintaining its balance.

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The statement "Language processing engages brain networks, rather than one specific brain region" is true.

Language processing is the way that people understand, produce, and use language. It includes tasks such as reading, writing, speaking, and listening to spoken words and sentences, as well as higher-level processing tasks, such as comprehension, reasoning, and problem-solving.

Language processing engages brain networks, rather than one specific brain region. Language is not processed in a specific area of the brain. Instead, various brain regions work together to process and comprehend language, and different language-related tasks appear to activate different areas of the brain.

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Answer with change in the environment organisms change to adapt to the change in of the enviroment .

The most plausible statement regarding infanticide in primates is Option 4, "Most instances of infanticide can be linked to reproductive benefits to the infant killer".

In some primate species, infanticide can provide reproductive advantages to the individual committing the act.

By eliminating the offspring of competitors, the infant killer may gain increased access to mates and enhance their own reproductive success. This reproductive advantage is observed in certain primate species where infanticide occurs.

However, it's important to note that infanticide can have multiple underlying causes, and reproductive benefits are not the sole explanation for all instances of infanticide among primates.

Factors such as resource availability, social dynamics, and competition for resources also contribute to infanticide behaviors in primates.

So while option 4 captures one aspect of infanticide in certain primate species, it doesn't encompass the full range of causes observed in different contexts.

The question should be:

Which of the following describes the occurrence of infanticide among primates?

1. All instances of infanticide can be linked to a nearby human presence.

2. Most instances of infanticide can be linked to a nearby human presence.

3. Most instances of infanticide can be linked to lack of food resource in the environment.

4. Most instances of infanticide can be linked to reproductive benefits to the infant killer.

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Answer:

genotypes:

0% homozygous black fur (BB)

50% heterozygous black fur (Bb)

50% homozygous brown fur (bb)

phenotypes:

50% black fur

50% brown fur

Explanation:

   B b

b . Bb bb

b . Bb bb

The chemicals that cross the synapse and influence whether the neural impulse is passed on to the next neuron are called neurotransmitters.

Neurotransmitters are the chemical messengers of the nervous system that helps in the transmission of mural impulses from one neuron to another as it passes the synapse.

Examples of neurotransmitters include:

Therefore, the chemicals that cross the synapse and influence whether the neural impulse is passed on to the next neuron are called neurotransmitters.

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Answer:

the red cells are the ones that carry it

Explanation:

Answer in the picture below.

the correct answer is option B.Here are the correct matches of the given organisms with their asexual reproductive structure/process.

Column I  Column IIp Yeast 2. Buddingq Planaria 4. Fragmentationr Penicillium 1. Conidia s Paramecium 3. Binary fission.Asexual reproduction is a type of reproduction that does not require the involvement of gametes or fertilization. A single organism produces a genetically similar offspring in asexual reproduction, which is a rapid process. Asexual reproduction, on the other hand, limits genetic variation and may result in the accumulation of deleterious mutations. There are several forms of asexual reproduction in living organisms.Below are the correct matches of the given organisms with their asexual reproductive structure/process:Column I  Column IIp Yeast 2. Buddingq Planaria 4. Fragmentationr Penicillium 1. Conidias Paramecium 3. Binary fission. Therefore, the correct answer is option B.

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Answer:

Yes, crocodiles lay eggs

Explanation:

Because of their fringed flight feathers, which muffling the sound of air travelling through their feathers and surroundings, it has a long, slender body that enables swift movement through the foliage.

In the wild, garter snakes have evolved to live in a variety of habitats, including scrubland and woods, and they are typically found close to bodies of water. Garter snakes are frequently sold as captive-bred animals, although they can also be caught in the wild.

An animal's ability to survive inside its environment is improved by a physical and behavioral trait known as just an adaptation. A person creates an adaptation if they do something or have something around them that makes it simpler for them to find food, water, mates, and shelter.

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Hepatitis is a viral inflammatory disease that involves liver necrosis and swelling, thus interfering with the liver's ability to excrete bile pigments, such as bilirubin.

Hepatitis is a viral inflammatory disease that affects the liver, causing necrosis and swelling. It interferes with the liver's normal functions, including the excretion of bile pigments. Bile pigments, such as bilirubin, are produced during the breakdown of red blood cells and are normally processed and excreted by the liver.

However, in hepatitis, the liver's ability to excrete these bile pigments becomes impaired due to the inflammation and damage caused by the viral infection. This can result in a buildup of bilirubin in the bloodstream, leading to jaundice and other symptoms associated with liver dysfunction.

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The genotype TT stands for the homozygous state, in which both alleles of a gene are present in a homologous pair. Alleles are various variations of a single gene.

If an organism possesses 2 versions of the same allele for a gene, it is said to be homozygous. An organism might be homozygous recessive (RR) or homozygous dominant (TT) (tt). A heterozygous creature is one that has two different alleles (Tt) for the same gene.

The presence of two identical alleles at a specific gene locus is referred to as the homozygous condition. A homozygous genotype can have two alleles with the same variance or two normal alleles.

A person is considered to be homozygous if they have two equal copies of a particular gene. A genotype with heterozygosity, on the other hand, possesses distinct alleles.

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Answer:

The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.

Explanation:

The buccinator muscle and superior pharyngeal constrictor muscle are attached to each other at the posterior pharyngeal wall. Together, these muscles work to aid in the process of swallowing.

The buccinator and superior pharyngeal constrictor muscles are not directly attached to each other, as they serve different functions and are located in different areas of the head and neck.

The buccinator muscle is found in the cheek and is a part of the facial muscles. It helps in moving food during chewing and assists in the act of blowing.
The buccinator muscle is a thin, flat muscle located in the cheek, while the superior pharyngeal constrictor muscle is one of the three pharyngeal muscles located in the pharynx.
The superior pharyngeal constrictor muscle is a pharyngeal muscle located in the neck. Its primary function is to help in the swallowing process by constricting the pharynx.

Although they are not directly attached, both muscles work together to facilitate the process of chewing and swallowing food.

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The statement that pertains to waves in the questions have the following responses;

1) True

2) True

3) False

4) True

5) False

6) True

7) False

8) True

9) True

10) True

Light is part of the electromagnetic spectrum. We know that the electromagnetic spectrum has to do with a compendium of wavelengths of energy that may be harnessed for various purposes.

We have to note that the part of the spectrum that we are can be able to see with our optical eyes is the part that we call the visible light; The visible light has a wavelength range that would span from 400 - 700 nm.

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Answer:

D. I and II only

Explanation:

Answer:

with what?

Explanation:

Answer:

on what???????????????????

Explanation:

Answer:

Explanation:

The earliest cells were unstable chemical systems that survived by combining a handful of shaky carbon-based assemblies, researchers say. All life on Earth is based on carbon.

Answer:

The diagram is used by biologists to determine the probability of an offspring having a particular genotype.

Explanation:

because um... i passed biology. im on chem now

Scientists use Punnett squares The Punnett rectangular is a rectangular diagram this is used to expect the genotypes of a specific go or breeding experiment.

The presence of  distinct alleles at a specific gene locus. A heterozygous genotype can also additionally encompass one everyday allele and one mutated allele or  distinct mutated alleles (compound heterozygote).

It is called after Reginald C. Punnett, who devised the method in 1905. The punnett is utilized by biologists to decide the opportunity of an offspring having a specific genotype.A Punnett Square is a beneficial device that facilitates to expect the versions and chances that could come from go breeding.

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Answer:

c the rock resting on the ground

Explanation:

grass gives energy through oxygen and to cows through consumption and uses energy to grow

Answer: The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.

Answer: b

Explanation:

Taking into account definition of reaction stoichiometry,AgNO₃ is the limiting reagent, Cu is the excess reagent and 3.97 grams of Cu(NO₃)₂ can be produced from 1.5g Cu and 7.2 g AgNO₃.

In first place, the balanced reaction is:

Cu + 2 AgNO₃ → Cu(NO₃)₂ + 2 Ag

By reaction stoichiometry, the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

By reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The limiting reactant is the one that, in a chemical reaction (where there are reactants and products), ends first. The reaction depends on the limiting reagent since the other reagents will not react when one has run out.

To determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 63.54 grams of Cu reacts with 339.74 grams of AgNO₃, 1.5 grams of Cu reacts with how much mass of AgNO₃?

mass of AgNO₃= (1.5 grams of Cu×339.74 grams of AgNO₃)÷63.54 grams of Cu

mass of AgNO₃= 8.02 grams

But 8.02 grams of AgNO₃ are not available, 7.2 grams are available. Since you have less mass than you need to react with 1.5 grams of Cu, AgNO₃ will be the limiting reagent and Cu will be the excess reagent.

Considering the limiting reagent, the following rule of three can be applied: if by reaction stoichiometry 339.74 grams of AgNO₃ form 187.54 grams of Cu(NO₃)₂, 7.2 grams of AgNO₃ form how much mass of Cu(NO₃)₂?

mass of Cu(NO₃)₂= (7.2 grams of AgNO₃×187.54 grams of Cu(NO₃)₂)÷339.74 grams of AgNO₃

mass of Cu(NO₃)₂= 3.97 grams

Finally, 3.97 grams of Cu(NO₃)₂ can be produced.

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The statement "In eukaryotes, genes are packaged together if they code for proteins which are part of the same metabolic pathway. These packages of genes are called operons." is false.

Operons are a characteristic feature of prokaryotes and not eukaryotes. In prokaryotes, genes are organized into operons, which are functional units of transcriptional regulation. Operons consist of multiple genes that are under the control of a single promoter, and they typically code for proteins involved in a common metabolic pathway.

Eukaryotic genes, on the other hand, are not organized into operons. Instead, each gene is transcribed and translated independently of other genes, and their expression is regulated by a variety of mechanisms, including chromatin remodelling and transcription factor binding.

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The correction of error with respect to the list of characteristics is that there are planets in the solar system that do not have moons. Thus, the correct option for this question is B.

The solar system may be defined as the group of celestial bodies that are held by its attraction and revolve around it along with the sun, planets, and other important compartments.

A planet must have three things which include an orbit and a star in our cosmic neighborhood, like the Sun. Each and every planet on the solar system must consist of both gas and solid rock.

All planets have rings, but you can only see them on a few planets in the solar system. There are planets in the solar system with no observable atmosphere. A planet must be big enough that its gravity cleared away any other objects of a similar size and shape near its orbit around the Sun.

Therefore, the correct option for this question is B.

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In the anterior gray horns of the spinal cord.

Person with polio has lost the use of his leg muscles. The infected neurons would be in the anterior gray horns of the spinal cord, where the cell bodies of somatic motor neurons are located.

Polio is a virus that causes inflammation of the nerve cells in the brain and spinal cord. The virus is spread through contact with an infected person's feces or saliva. Polio can lead to permanent muscle weakness, paralysis, and respiratory failure. It can also cause temporary symptoms such as fever, headache, fatigue, vomiting, diarrhea, abdominal pain. The answer is in the anterior gray horns of the spinal cord. This is the location of the cell bodies of somatic motor neurons.

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