Describe the path of an oocyte from ovary to fertilization please!

Answers

Answer 1

An oocyte is also known as egg cell which is a female gamete, it is produced by the ovaries and travels through the female reproductive tract and fuse with the sperm to form zygote.

What is fertilization?

Fertilization can be defined as the fusion of a haploid male gamete i.e., spermatozoa or sperm and a haploid female gamete i.e., ovum to form a diploid cell (2n), the zygote inside the body of the female in case of mammals. The fertilization is internal in the case of humans and usually after nine months the fully matured baby is born.

The path of the haploid (n) oocyte or egg cell from the ovary to fertilization include first, the oocyte leaves the ovary as an unfertilized egg during the period of ovulation. From here, the oocyte enters uterine tube (fallopian tube) and begins to move down towards the uterus, through the help of cilia which are present along the walls of the fallopian tube. If fertilization is taking place, it usually happens within the next 24 hours or else the oocyte degenerate.

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Related Questions

HELP PLEASE 30 POINTS!

Answers

Answer:

It becomes more smaller in tension because that is what contract means, they take different forms which are smaller such as what the question example gives you, when you bend your biceps they become smaller in length.

Hope this helps!

What are there scientific name.

Please Answer​

Answers

Answer:

manubruim = trapezoid

I hope it helps you

1. Which of the following events is not a source of genetic variation in eukaryotic organisms?

J. Mutation
K. Independent assortment
L. Mitosis
M. Fertilisation

Answers

Answer:

Mitosis

Explanation:

Mitosis is not a source of genetic mutation because it take place mostly in the somatic cells. This is because it does not lead to the production of gametes . In mitosis, the parent cells divide into two daughter cells and each daughter cells are genetically identical to the parent cell because they carry the same number of chromosomes as the parent cell. There is no genetic variation in this.

PLEASE HELP TAKING TEST NOW!!!!!!!!!!!!!! What is the main factor causing the salinity of the Everglades to change? (1 point)
O snake populations
O flood control levees
O climate change
O transportation canals

Answers

Answer: snake populations

Explanation:

Why is maintenance of a constant blood pH critical for body processes?

A. enzymes work best within a narrow pH range.

B. Some bacteria thrive in very acidic conditions.

C. Blood with a high pH helps prevent cancer.

D. The production of vitamin C by skin cells requires low pH values.

Answers

Answer:

enzymes work best within a narrow pH range.

Explanation:

Some bacteria thrive in very acidic conditions

Which of these is a result of crossing over?
a.) Decrease in the number of chromosomes
b.) Exchange of proteins
c.) Exchange of genetic material
d.) Increase in the number of chromosomes

Answers

Part of one chromosome is exchanged with another.. so i’d say C possibly.

The result of crossing over is the exchange of genetic material that is present in Option C because this only happens in meiosis during the prophase and results in different gametes.

What is the importance of crossing over?

"Crossing over" is a process that occurs during meiosis of cell division in sexually reproducing organisms that produces gametes such as sperm and eggs. During crossing over, the genetic material in the parent cells' chromosomes is exchanged, resulting in new combinations of genes in the gametes, and the importance of crossing over is that it creates genetic diversity within a population.

Hence, the result of crossing over is the exchange of genetic material that is present in Option C because this only happens in meiosis during the prophase and results in different gametes.

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How do different parts of the nervous system work together to help you perceive and react to the environment?

Answers

A neuron has three main parts. The cell body directs all activities of the neuron. Dendrites extend out from the cell body and receive messages from other nerve cells. An axon is a long single fiber that transmits messages from the cell body to the dendrites of other neurons or to other body tissues, such as muscles.
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Question 4 (1 point)
What pattern occurs every 365.26 days on Earth? Choose all correct answers.
Earth rotates around the Sun.

Earth revolves around the Sun.
C с
Earth's degree of axis tilt changes.
d
Earth orbits around the Sun.

Answers

Answer: D

Why? The earth orbits the sun and it does this over the span on 365.26 days

Hope this helps

Helpp me plz is it A,b,c ,d make sure you pick the rite one

Answers

The answer is C) System. Systems can be found all over the animal kingdom. Most of the time, the organisms that belong to a particular system cooperate and collaborate with each other in order to remain healthy and safe.

Answer:

C. a System

Explanation:

for anyone out there

Desmosomes are made of the following cellular components

Answers

Answer:

jdhhdhdhhdhdhdbndbbdndb

Which process of respiration does fermentation utilize?

Answers

Answer:

anaerobic respiration: A form of respiration using electron acceptors other than oxygen. fermentation: An anaerobic biochemical reaction. When this reaction occurs in yeast, enzymes catalyze the conversion of sugars to alcohol or acetic acid with the evolution of carbon dioxide

Explanation:

if you wanted to determine the temperature of a star, which measurement would you make? refraction Doppler shift emission spectrum absorption spectrum (K12 question also its Earth Science)

Answers

Answer: Emission Spectrum

Explanation:

K12 4.17 Quiz: Electromagnetic Spectrum

Which of the following statements about phylogenetic trees is not true?

A. They can show which groups of organisms are most closely related.
B. They can show which groups of organisms are more advanced than other groups.
C. They can show which group of organisms diverged longest ago.
D. They can show predictions of evolutionary relationships from the analysis of shared heritable traits.

Answers

Answer:

B. They can show which groups of organisms are more advanced than other groups.

They can show which groups of organisms are more advanced than other group is not true about phylogenetic tree.

It is used to identify the phylogenetic relationship between the organisms.It show which group of organism diverged longest ago.

What is phylogenetic tree?It is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from common ancestors.It is based upon similarities and differences in their physical or genetic characteristics.

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During transcription, initiation involves the attachment of RNA polymerase to the promoter and the start of RNA synthesis.
Group of answer choices

True

False

Answers

Answer:

true

Explanation:

True. During transcription, initiation is the first step in which RNA polymerase binds to the promoter region of the DNA molecule.

The promoter is a specific sequence of nucleotides located upstream of the gene that signals the start site for transcription. RNA polymerase recognizes and binds to the promoter sequence, forming a complex called the transcription initiation complex.

Once the transcription initiation complex is formed, RNA synthesis begins. RNA polymerase unwinds the DNA double helix in the region of the gene, exposing the template strand. It then catalyzes the synthesis of an RNA molecule by adding complementary RNA nucleotides to the growing RNA chain according to the base pairing rules (A-U and G-C).

So, the statement "During transcription, initiation involves the attachment of RNA polymerase to the promoter and the start of RNA synthesis" is true. Initiation is indeed the process where RNA polymerase binds to the promoter and initiates the synthesis of an RNA molecule based on the DNA template. This is a crucial step in the process of transcription, as it determines where and when the transcription of a specific gene will occur.

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Which is the most likely outcome for a species of fish that lacks the genetic variation necessary to adapt to a changing ocean environment?
A. Become extinct over time
B. Begin to reproduce asexually
C. Develop mutated cells
D. Develop a resistance to disease

Answers

A. to become extinct over time

What caused scientists to believe the continents used to be

Answers

what’s the rest of the question. it just cuts off

Oxygen and air are? Abiotic or biotic 

Answers

oxygen and air are abiotic

Answer:

Oxygen and air are both abiotic because they do not have carbon atoms, therefore they are non living substances.

what would never be part of an mRNA strand?

Answers

Answer:

Uracil

Explanation:

Thymine would never be part of an mRNA strand.thus, option A is correct.

What is mRNA?

Messenger RNA (mRNA), molecule in cells that carries codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm (the ribosomes).

It was also known that there are only four nucleotides in mRNA: adenine (A), uracil (U), guanine (G), and cytosine (C). Same three nucleotide base is also present in the DNA except thymine. Thymine is replaced with uracil in case of RNA. thus option A is correct.

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ANSWER PLSS GIVING BRAINLY

Answers

Answer: Primary succession: Glaciers, bare rock, lichen

Secondary succession: Wildfires, volcanoes, hurricanes, deforestation

Explanation:

Succession in ecology can be defined as gradual changes that occur in the biotic community in an ecosystem with respect to the changes that occur in the abiotic components of the environment. Primary succession initiate in an land which is not previously occupied by any living species. These includes the changes that occur at the primitive level on the land. That is the formation of glacier from the ice, bare rock will undergo withering and disintegration to form the soil, lichen are the biological composite organisms formed by the mutual association of algae and fungi. These lichens act upon the rocks to cause its withering by releasing the chemicals causing disintegration of the rocks.

Secondary succession occurs at those regions which have been colonized by the living species and get disturbed due to human oriented or natural disasters. Wildfires can be set up naturally, through volcanic eruption, or can be human induced can clear up the forests but some remains of seeds and deep rooted roots can help in growth of new plants which will again initiate the succession, again volcanoes, and hurricanes, are also natural hazards which can affect the population of species in an ecosystem. Deforestation is a human oriented practice in which vegetation cover or forests are clear cut. This will also cause loss of biodiversity.

Which of these is a difference between DNA and RNA?
DNA is found in the nucleus; RNA is never found in the nucleus.
DNA consists of five different nucleotides; RNA consists of four different nucleotides.
RNA is double-stranded; DNA is single-stranded.
DNA contains thymine; RNA contains uracil.
In DNA, adenine pairs with guanine; in RNA, adenine pairs with thymine.

Answers

Like DNA, RNA is made up of nucleotides. There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.

A plant with green seed pods (GG) is crossed with a plant with yellow seed pods (gg).
Draw a Punnett Square on a piece of paper and determine the Genotype of the
offspring.

Answers

Draw a punnet square. On one side do gg and the other GG. The answer should be Gg Gg Gg Gg

As a genetic counselor, you advise couples about the possibility of genetic disease in their offspring. This morning you met with an engaged couple, both of whom are phenotypically normal. The man, however, has a brother who died of Duchenne-type muscular dystrophy, an X-linked condition that results in death before the age of 20. The allele responsible for this disease is recessive. His fiancee, whose family has no history of the disease, is worried that the couple's sons or daughters might be afflicted.

Requied:
a. How would you advise this couple?
b. The sister of this man is planning to marry his fiancée's brother. How would you advise this second couple?

Answers

Answer:

a. This couple should not worry.

b. This couple should worry.

Explanation:

a. The man should not be worried. This is because he is normal (phenotypically).

b. They should be worried because the sister of the man can be a carrier of the recessive allele. If she was a carrier, then half of their male children can be affected.

which of the following are parts of the biosphere. choose all that apply

river
deer
tree
mountain
mushroom​

Answers

Mountain, tree, river

Acid precipitation harms vegetation and reduces soil quality. Which of these is most responsible for acid precipitation?
a)decrease in ozone levels
b)burning of fossil fuels
c)changes in the atmosphere
d)changes in the climate

Answers

Answer:

b burning of fossil fuels

Explanation:

Explain how gene therapy is able to solve genetic diseases. Please take
your time explaining in detail a few of the the tools that are currently used
for this treatment. (5 marks)

Answers

Answer:

Gene therapy is used to correct defective genes in order to cure a disease or help your body better fight disease. Researchers are investigating several ways to do this, including: Replacing mutated genes. Some cells become diseased because certain genes work incorrectly or no longer work at all

Match the elements to their periodic table groups based on their uses or properties

Answers

do you have a picture? as I’m unsure which elements need matching

2. Which contains the other, cell membrane or phospholipid?

Answers

Answer:

Cell membrane contains phospholipid

Explanation:

Part of the cell membrane is made up of the phospholipid bilayer, which consists of two layers of phospholipids.

Please give an awesome explanation.Ky answer if you're very good at Science/Biology.Please don't put a link to a website.

Explain how competition for food can cause natural selection.​

Answers

Answer:

Competition for food happens when there is a limited amount of food resources available. The members of a species that eat that food who are best adapted to access the food are more likely to reproduce and pass on their genes to the next generation.

For example, we have a bird feeder with a narrow opening for food. The small-headed birds can reach the food, the bigger-headed birds cannot. If this was the only food source for this area, then over time, there would be more smaller-headed birds than large-headed birds, due to the competition for food and success/lack of success.

1) Bacteria respond to changes in their environments, such as nutrient availability, by regulating their metabolic pathways. Describe two mechanisms that bacteria use in order to adapt to environmental changes. Include in your answer which mechanism is a short-term or long-term adaptation. (Pg. 364, paragraph 3, sentence 2; paragraph 4, sentence 1)

Answers

Answer:

Examples:

- Short-term adaptation: feedback inhibition

- Long-term adaptation: regulation of gene expression

Explanation:

Feedback inhibition is a mechanism where the product of a chemical reaction is utilized to modulate its own subsequent synthesis. In bacteria, feedback inhibition allows regulating different metabolic pathways in response to environmental conditions by modulating enzyme activity through enzyme reaction products. Moreover, bacteria may also respond to environmental inputs by long-term changes in gene expression. For example, bacteria contain transcription factors activated during stress, which are able to activate the transcription of particular genes into messenger RNAs (mRNAs) that would subsequently be used to generate particular enzymes by the process of translation. These transcription factors may bind to specific DNA motifs in order to promote transcriptional activity, thereby regulating the production of the corresponding enzyme.

Is the following sentence true or false? Liquid magma is formed when small amounts of mantle rock melt?

Answers

Answer:

Absolutely True!

Explanation:

Other Questions
9. Select the options that best describe a LIMITED GOVERNMENT.(SELECT ONLY 4. You will not earn any points if you select more than 4.)(Civics NAEP: ID. Governments) For each situation (1-5), identify the most applicable AICPA rule of conduct and whether there is a violation or no violation of the rule (A-F). One or more letters may not be used.Rule 101: Independence; no violationRule 101: Independence; violationRule 301: Confidential Client Information; no violationRule 301: Confidential Client Information; violationRule 503: Commissions and Referrals; no violationRule 503: Commissions and Referrals; violation______ 1. Brandon Frisby, CPA, found out that his client, Uptonogood, Inc., had failed to properly account for several leases. Frisby informed Uptonogood's management that he must issue a qualified audit report and disclose the lease problem in the report. Uptonogood's management indicated that such a disclosure would constitute a disclosure of confidential information. Nevertheless, Frisby rendered the qualified audit report, including an explanatory paragraph about the inadequate lease accounting.______ 2. Priscilla Hudson, CPA, a partner in Hudson and Danhoffer, CPAs, holds the position of honorary director for the Friends of the Symphony Orchestra, a firm audit client.______ 3. The wife of Gerald Skoch, CPA, is the controller of Fine Corporation. Skoch is an audit partner for Barnes and Bucknell, CPAs, in their Long Island office. The Long Island office of Barnes and Bucknell audits Fine Corporation, but Skoch is not part of the audit team and provides no other services to Fine Corporation._______4. Johnny Beacon, CPA, is the auditor of Novak Wholesale, Inc. Beacon received a 10% commission from Computer Systems, Inc. for hardware sold to Novak Wholesale, Inc. The sale was made based on Beacon's recommendation to Novak Wholesale that the company needed a new accounting information system. Beacon disclosed the commission to Novak's management. Beacon also performs an annual audit for Novak.______ 5. Cecilia Hart, CPA, provides tax services to Myers Company. Hart received a 10% commission from Computer Systems, Inc. for hardware sold to Myers Company. The sale was made based on Hart's recommendation to Myers Company that the company needed a new accounting information system. Hart disclosed the commission to Myers' management. if ABC = PQR, then AC = (6) Different colors of light correspond to different: (I) frequencies (II) intensities (III) wavelengths (A) I only (B) Il only (C) Ill only (D) I and IlI (E) all of the above the proportion of people in each sample who experience side effects is recorded. are the sample sizes large enough to assume that the sampling distribution of the difference in sample proportions is approximately normal? Chase is trying to extract records for employees 423 through 428 out of a comma separated values file and store them in another one. Which of the following commands would accomplish this? (Choose all that apply.)O grep "42[3-8]" employees.csv > employees-newhires.csvO cat employees.csv | grep "42[3-8]" > employees-newhires.csvO grep "42[3-8]" < employees.csv > employees-newhires.csv What are the three main goals of US foreign policy ? What do you call 2 4 6 8 10? The ratio of reeta and neha income is 8:6. If reeta income is 2800. Find the income of neha Write a poem to express your feelings as a member of this community. Which situation best illustrates how global trade promotes specialization brainly. on april 12, hong company agrees to accept a 60-day, 7%, $6,600 note from indigo company to extend the due date on an overdue account. what is the journal entry that indigo company would make when it records payment of the note on the maturity date? (use 360 days a year.) Suppose that the function h is defined, For all real numbers, as follows Please help PLS HELP Ana Maria has the length of1/3ribbon Jolie has.If represents thelength of ribbon Jolie has, whichexpression represents the lengthof Ana Maria's ribbon?OA)3rOB)r/3OC)3/rOD) 3+r You are about to take a major assessment, and each question is one two types. Multiple-choice questions are worth 2 points each, and short-response questions are worth 4 points each. The assessment is worth 100 total points. Let x represent the number of multiple-choice questions, and let y represent the number of short-response questions. Newtons third law of motion on a flying chair swing ride Which of the following approaches for calculating the market value of a property involves estimating the dollar value associated with replacing the property new, as well as determining the loss in value due to physical, functional, and external obsolescence?Multiple Choice O income approach O sales comparison approach O cost approach O Investment approach in the context of the planning process, _____ are the targets or ends a manager wants to reacha.strategiesb. plansc.scenariosd. goals Which outcome is a product of the Harlem Renaissance ? Given the linear function g(x)= 1/4x-2, which domain value corresponds to the range value of 1/8?