Where is the nucleus usually located?
A. outside of the cell
B. in the center of the cell
C. moves between cells

Answers

Answer 1

Answer:

B

Explanation:

usually in the center . depends on what cell prokaryotic or eu

Answer 2
in the center of the cell

Related Questions

What claims, language and message could unlock star potential for our strong, effective portfolio of topical pain reliever s?

Answers

Connecting with the consumer in a meaningful way with the unique benefits being included will unlock star potential of the pain reliever.

What is Message?

These consists of means of passing information about an individual or a substance.

Tropical pain reliever should have the unique benefits passed to ensure increase in sales and profit.

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Explain the changes that happen in the body before and after exercise

Answers

Answer:

While exercising, the muscles need additional energy as the breathing rate and volume of each breath increase to bring more oxygen into the body and remove the carbon dioxide produced. If insufficient oxygen is available to the muscles, for instance, the exercise is vigorous and/or prolonged, the heart and lungs are unable to supply sufficient oxygen. Muscles begin to respire anaerobically. Lactic acid is produced from glucose, instead of carbon dioxide and water. Muscles continue to contract, but less efficiently. When a period of exercise is over, lactic acid must be removed, because the body's tolerance to lactic acid is limited. These processes require oxygen. This is why, when the period of activity is over, a person’s breathing rate and heart rate do not return to normal straight away.

Explanation:

What is Immunotherapy? explain in your own words, please:(

Answers

Immunotherapy is a process where diseases are treated through the activation of the immune system. It often treats cancer.

The frequency of a certain trait in a population of beetles will increase over time if -
there is variation in that trait within the population.
beetles possessing the trait produce more offspring
the trait is not linked to the genetic makeup of the beetle.
it creates a specialization to a specific food source.

Answers

Answer:

this question is asking what an adaptation is or what an adaptive trait is.

Explanation:it has been hypothesized that sympatric speciation of pine beetles may occur through the isolation of populations as a result of increasing dietary ...

Match the biological structure with its metaphorical equivalent Question 5 options: Movie Authors Words Chapter variations Script Sentences Books Chapter numbers Library 1. Nucleotides 2. Genes 3. Allele locations (loci) 4. Alleles 5. Chromosomes 6. Karyotype 7. Parents 8. Genotype 9. Phenotype

Answers

1. Nucleotides: A phosphate group, a 5-carbon sugar, and a nitrogenous base are the three components of a nucleotide. Adenine, cytosine, guanine, and thymine are the four nitrogenous bases in DNA. Instead of thymine, uracil is found in RNA. The genetic material of all known living creatures is made up of nucleotides in a chain.

2. Genes:  A gene is a small segment of a lengthy DNA double helix molecule that consists of a linear base pair sequence. A gene is any portion of DNA that contains instructions that allow a cell to generate a specific product – usually a protein, such as an enzyme – that performs a single specified action.

3. A locus (plural loci) is a stable location on a chromosome where a certain gene or genetic marker can be found.

4.  At a genomic region, an allele is one of two or more variations of DNA sequence (a single base or a segment of nucleotides).

5.  Chromosomes are thread-like structures found within the nucleus of both animal and plant cells. Protein and a single molecule of deoxyribonucleic acid make up each chromosome (DNA). DNA is passed along from parents to children and carries the precise instructions that distinguish each living thing.

6.  Karyotype: A karyotype is a individual's entire set of chromosomes. A laboratory-produced representation of a person's chromosomes extracted from an individual cell and arranged in numerical order is also known as a chromosomal map. A karyotype can be used to check for chromosomal number or structural problems.

8. Genotype: An organism's genotype is its genetic makeup. From embryonic development to adulthood, the genotype determines an individual's inherited potentials and limitations. In se×ually reproducing organisms, a person's genotype is made up of the whole set of genes acquired from both parents.

9. Phenotype: Physical traits are described by phenotypes. It encompasses both apparent (such as hair or eye color) and measured characteristics (like height or weight). Characteristics relevant to your development and behavior, such as personality traits, are also referred to as phenotypes.

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20. calculate the molar enthalpy of vaporization of a substance, given that 0.433 mol of the substance absorbs 36.5 kj of energy when it is vaporized.

Answers

The molar enthalpy of vaporization of the substance is 84.3 kj/mol.

What is molar enthalpy of vaporization?

Molar enthalpy of vaporization is the energy required to vaporize one mole of a liquid at its boiling point.

0.433 moles of the substance absorbs 36.5 kj of energy when it is vaporized.

1 mole of the substance will absorb 36.5 kJ × 1 /0.433mol = 84.3 kj/mol

Therefore, the molar enthalpy of vaporization of the substance is 84.3 kj/mol.

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In multicellular organisms, different structures have different functions. Which function is carried out in the leaves of a plant?.

Answers

Answer:

The leaves of a plant absorb light

Which of the following planets has the largest orbital radius compared to the others?

Group of answer choices

Jupiter

Mercury

Saturn

Venus

Answers

Answer:Jupiter

Explanation:

is the largest of all the planets. It has a radius of 71,492 kilometers at the equator and a radius of 66,854 kilometers at the poles

What structural adaptations does a rhino have and how do those adaptations enable it to survive?

Answers

Answer:

Black rhinos have a number of adaptations that help them survive in their environment, including an upper lip that is prehensile, which means the rhino can use it almost like a hand and which sets them apart from white rhinos. They also have thick skin and can rotate their ears.

Explanation:

correct me if I'm wrong because i work hard for this question

Identify the stomata components.
a. _________
b. _________

Answers

The stomata components also include a) subsidiary cells, which are specialized cells surrounding the ,b) guard cells that assist in the opening and closing of the stomatal pore.

What are the types of stomata ?

1. Based on structure:

• Anomocytic stomata: with no surrounding specialized cells

• Paracytic stomata: with one or more subsidiary cells parallel to the guard cells

• Diacytic stomata: with two subsidiary cells at right angles to the guard cells

• Cyclocytic stomata: with one or more subsidiary cells encircling the guard cells

2. Based on location:

• Hypostomatic stomata: present only on the lower epidermis

• Epistomatic stomata: present only on the upper epidermis

• Amphistomatic stomata: present on both the upper and lower epidermis.

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Mary and larry each have free earlobes and dark hair. they are both heterozygous. (e = free earlobes, e = attached earlobes, d = dark hair, d = light hair). e is dominant, e is recessive. d is dominant, d is recessive. what genotypes and phenotypes can their offspring have and what is the probability of each genotype and phenotype?

Answers

The genotypes and phenotypes their offsprings can have include only free lobes and attached hair.

What is Genotype?

This is defined as the genetic constituent of an organism while phenotype represents the physical characteristics.

Dd and Ee when crossed will give DE, De, dE and de which means that the genotype will be 1 homozygous dominant,2 heterozygous and 1 homozygous recessive for free lobes and attached hair.

The probability = number of favorable outcome/ total number of outcome.

The total number of outcome = 4

The probability for 1 homozygous dominant,2 heterozygous and 1 homozygous recessive is therefore 1/4 , 1/2 and 1/4 respectively.

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What is one characteristic of Mercury?
A. It has the densest atmosphere of the terrestrial planets.
B. It has the largest temperature variation of the terrestrial planets.
C. It is the terrestrial planet farthest from the sun.
D. It has the strongest magnetic field of the terrestrial planets.

Answers

Answer:

It has a solid surface that is covered with craters like our Moon.

Explanation:

I hope it helps u dear (^^)

Aquatic nitrate pollution can result in _____. algal bloom oxygen depletion fish kills hypoxia an algal bloom that, when the algae die and are decomposed by bacteria, leads to hypoxia and the death of fish

Answers

Aquatic nitrate pollution can result in algal bloom that when the algae die and are decomposed by bacteria, leads to hypoxia and the death of fish.

What is algal bloom?

Algal bloom is a dense spread of algae on the surface of water.

Algal bloom is caused by a process of eutrophication, which is the release of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.

Therefore, it can be said that aquatic nitrate pollution can result in algal bloom that when the algae die and are decomposed by bacteria, leads to hypoxia and the death of fish.

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Which of the following is not caused by a virus?
Chicken pox
Tuberculosis
Mumps
Measles

Answers

Answer:

Tuberculosis.

Explanation:

it is caused by a bacterium which can attack any part of the body such as the kidney, spine, and brain. not everyone infected with TB becomes sick

During endochondral bone formation, the secondary ossification center never begins to form. What will the developing bone look like

Answers

During endochondral bone formation, the epiphyses remain cartilaginous until the stage of adulthood.

What does endochondral generation mean?

Endochondral generation is a cellular phenomenon where hyaline cartilage can be replaced with bones.

This phenomenon (endochondral formation) is due to the differentiation of specialized mesenchymal cells to chondrocytes.

Endochondral formation of bones includes:

mesenchymal cells differential gene expression (chondrocytes)proliferation bone formation

In conclusion, during endochondral bone formation, the epiphyses remain cartilaginous until the stage of adulthood.

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3. what is a catalyst? explain the effect of a catalyst on the rate of chemical reactions. how does a catalyst influence the activation energy required by a particular reaction?

Answers

A catalyst is a chemical substance that speeds up chemical reactions by lowering the activation energy.

What is the activation energy?

The activation energy of a reaction is the amount of energy required to carry out a chemical reaction.

Proteins are biological catalysts that speed up chemical reactions by lowering their activation energy.

In conclusion, a catalyst is a chemical substance that speeds up chemical reactions by lowering the activation energy.

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Explain the difference between constitutive and facultative skin color in simple words.

Answers

Answer:

Constitutive is natural skin color and facultative is the darkening due to UV or other factors.

Explanation:

Constitutive skin color is the natural color of the skin, and that color has nothing to do with any controllable/external factor and is determined in your genes, while Facultative is the result of ultraviolet light or other environmental factors which causes a change in melanin in the skin therefor making it darker  

A sequence of three nitrogenous bases in a messenger-rna molecule is known as a.

Answers

Answer:

A sequence of three nitrogenous bases in a messenger-rna molecule is known as Codon

Explanation:

Codon is a triplet of three nitrogenous bases present in mRNA. It can be any three from uracil, adenine, guanine or cytosine. They are arranged in specific order and code for specific amino acids.

Plastids that are surrounded by more than two membranes are evidence of.

Answers

Plastids that are surrounded by more than two membranes are evidence of: secondary endosymbiosis.

Which factor is most likely to cause a faster rate of blood flow?

A.
decreasing stress
B.
exercising
C.
sickle cell disease
D.
atherosclerosis

Answers

Answer:

B. exercising

Explanation:

exercise widens veins and arteries making blood go faster

faster blood means more oxygen to muscles

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Answer is B because exercising widens the veins and arteries making the blood flow faster

which part of a green plant shows the greatest increase in chloroplast by the end of spring

Answers

Answer:

The leaf shows the greatest increase

What 2 chemicals is the contents of the stomach composed of

Answers

Answer:

digestive enzymes, hydrochloric acid

Explanation:

Gastric juice is made up of digestive enzymes, hydrochloric acid and other substances that are important for absorbing nutrients – about 3 to 4 liters of gastric juice are produced per day. The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins

Digestive enzymes and hypotonic acid

What type of competition is pictured above?
O Interspecific competition
Intraspecific competition
competitive exclusion
Niche competition

Answers

Answer:

Interspecific competition

Explanation:

This is competition between different species

Intraspecific competition is between the same species

Which of the ideas below is a good characteristic of a scientific experiment?

A. Small sample size for collecting data.

B. Uncontrolled surroundings

C. Repeated Trials

D. Variable procedures for obtaining data- changing the steps that you follow during an experiment

Answers

C- repeated trials allow to assess the accuracy of data being received as an average can be taken. Also, precision can be assessed. The validity of the method, reliability, repeatability. All can be assessed

Assume that k and m are two unlinked genes that affect hearing. The dominant k allele is necessary for hearing, and the dominant m allele causes deafness regardless of the other genes present. Given this, what fraction of the offspring of parents with the genotypes kkmm and kkmm will most likely be deaf?.

Answers

The percentage that the offspring will be deaf is 75%. Two punnet squares are needed each for km and Kkmm individuals. In punnet square 1, half of the genotypes are Km and km while half are Mm and kk in punnet square 2. The two punnet squares are then combined to form a final one where a quarter of the offspring is deaf.

What does genotype mean?

In a wide sense, the word"genotype" refers to the genetic makeup of an organism;  it defines an organism's complete set of genes. In a more thin sense, the term can be used to guide the alleles, or variant forms of a gene, that are carried by an organism.

Thus, this could be the answer.

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someone please help me

Answers

☣ Question -:

Which of these equation is the correct one for fermentation?

❍ Glucose + oxygen → carbon dioxide + water

❍ Glucose → lactic acid

❍ Glucose → ethanol + carbon dioxide

☣ Explanation -:

To understand this first we should know what is fermentation.

What is fermentation?

A process of chemical change in food or drink because of the action of yeast which may cause it to produce bubbles or heat, or turn sugars in it into alcohol.

Equation -:

[tex] \small\sf{C_{6}H_{12}O_{6} \rightarrow2C_{2}H_{5}OH + 2CO_{2}} [/tex]

Which means

Glucose → ethanol + carbon dioxide

Hence opition c is the correct answer.

In a metapopulation, source populations are species that are likely to have more individuals immigrating to habitat patches than other species. This means that source populations:

Answers

In a metapopulation, source populations are species that are likely to have more individuals immigrating to habitat patches than other species. This means that source populations can inhabit the largest suitable ecological patch.

What do you mean by Population?

A population may be defined as the members of the same species living in a particular area at a given time.

A metapopulation is a collection of the regional populations within some more extensive area, where migration from one population to another is possible.

Therefore, it leads to inhabiting the largest suitable ecological patch.

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The functional units of dna that contain the instructions for making one or more proteins are.

Answers

Answer:

The functional units of dna that contain the instructions for making one or more proteins are the "Genes".

Which of the following pieces of information CANNOT be determined from the fossil record?

Answers

Answer:

Evidence of every species that ever existed.

Explanation:

what is the function dna polymerace
a - bringing amino acids to the ribosome
b - bringing dna to the ribosome
c - linking complementary base pairs to the parent strand
d - turning dna into rna

Answers

Explanation:

linking complementary base pairs to the parent strand

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