Which of these implants itself into the wall of the uterus during pregnancy?

Answers

Answer 1

Answer:

Implantation is the major sign of pregnancy for various women, it is a stage in which a zygote of fertilized egg limplants into the wall of the uterus.

Implantation usually takes place 6 to 10 days post ovulation, or day 20 to 24 of a menstrual cycle. However, it can take place a few days later or earlier. Once fertilization takes place, the egg remains the fallopian tuve for three days prior of getting inside the uterus and starts to implant itself to the walls of the uterus.

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If a mutation introduces a new skin color in a lizard population, which factor might determine whether the frequency of the new allele will increase? A)how many other alleles are present B)whether the mutation makes some lizards more fit for their environment than other lizards C)how many phenotypes the population has D)whether the mutation was caused by nature or by human intervention
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Due to an unusually high concentration of particles inside of a cell, the membrane starts to expand and finally bursts. which problem is the cell most likely having?
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Which of the following is the correct sequence of blood flow in birds and mammals?a. left ventricle â†’ aorta â†’ lungs â†’ systemic circulationb. vena cava â†’ right atrium â†’ right ventricle â†’ pulmonary veinc. pulmonary vein â†’ left atrium â†’ left ventricle â†’ pulmonary circuitd. vena cava â†’ right atrium â†’ right ventricle â†’ pulmonary artery

Answers

Answer:

Answered below

Explanation:

Birds and mammals have a double circulatory system and a four-chambered heart which separates the oxygenated blood and the deoxygenated blood from each other in the heart. This system of circulation is necessary to serve the high energy needs of the mammals and birds.

In this system, deoxygenated blood from the body passes through the superior and inferior Vena Cava into the right atrium. From the right atrium it flows into the right ventricle. From the right ventricle, it is then pumped into the pulmonary artery to be carried to the lungs. In the lungs, the deoxygenated blood is oxygenated and returned to the heart through the pulmonary veins.

Oxygenated blood enters the left atrium from the lungs through the pulmonary veins. It then moves into the left ventricle. In the left ventricle, it is then pumped into the aorta. The aorta is a large vessel that runs the length of the vertebral column, branching off to be circulate blood in the body system.

What conditions are necessary for population to remain in hardy-weinberg equilibrium?

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No natural selection
Random mating
A large breeding population
No emigration and immigration
No change in allele frequency

Nerves that carry information from the brain and spinal cord to other parts of the body are called

Answers

motor neurons (in your peripheral nervous system)

Why are DNA and rna important for cells

Answers

Answer:

They constitute the genetic material of living beings and act in the formation of proteins.

Explanation:

Both DNA and RNA are extremely important for life: they constitute the genetic material of all living beings. In the case of eukaryotic organisms, nucleic acids are present in the nuclei of cells, while in prokaryotic organisms (which have no nucleus surrounded by a membrane), the genetic material is dispersed in the cytoplasm. In addition, DNA and RNA are extremely important for the formation of proteins that will command all the functions of our body.

A scientific argument will be considered invalid if the evidence supporting that argument is based ona. inconsistent data.
b. independent data.
c. unlimited results.
d. controlled results.

Answers

I believe the answer to this is (B) independent data. Independent data can be obtained in an uncontrolled environment and can also be biased. Scientists depend upon each other to test each others data and results, but this isn't always the case with independent data and therefor the credibility is reduced.

The reason the other answers are incorrect is that unlimited and controlled results do not affect the validity of research, and inconsistent data means just that....that it is inconsistent and most likely requires more research or testing, but isn't necessarily wrong or invalid.

Answer:

Explanation:

Scientists can use genetic information to identify people because it is unique to each person. Which specific characteristic is unique to an individual?

Answers

The DNA of any individual possesses genetic traits which vary from individual to individual. Traits can be physical traits or behavioral traits. Example of a physical trait would be the appearance of an individual and behavioral trait refers to the nature of the individual. Both vary from individual to individual.

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TRY #7 ON GETING MY QUESTION ANSWERED THANKS FOR THE HELP EVERYONE!!!:(What’s a more accurate way to describe electron orbitals?