Cell Division

A)The main function of Meiosis is to create haploid cells. Haploid cells are mainly sex cells because they carry 23 chromosomes inside their nucleus, which purpose is to get fertilized by a sex cell from the opposite sex.

 

B)Meiosis plays an important role at the sexual intercourse so this takes place at two different places, in the case of male it takes place in the testes, while in the case of female it occurs at the ovaries

C)

)

 

  1. D) Mitosis:
  • Produces identical cells every time
  • It is a cycle
  • It happens in all the body
  • Produces diploid cells

 

Meiosis:

  • The final cells are not identical to the original ones
  • The final cell can’t go through another process of meiosis
  • It only occurs in the reproductive system
  • Produces haploid cells

 

E)As the red blood cells carry hemoglobin they don’t have a nucleus, this helps them to fulfill their function. Because of the absence of nucleus, red blood cells can’t be considered haploid cell nor diploid.

Virtual Period: Chromosomes and Mitosis

1a/b

The difference between the to body cells would be that the cell A is a doughter cell which has already been through the cell division and it’s chromosome is simple, with the shape of a stick. Meanwhile the cell B which is about to divide, the ADN duplicates to allow both of the daughters cells have the same amount chromosomes. That’s why the chromosome has the shape of an X.

2. To explain this difference in the number of chromosomes we have to understand the main difference between this to cells, that is the prices in which they make the cell division. In the case of Body cells, they undergo the process of mitosis. Mitosis is the process of cell division wherein the parent cell divides to create identical daughter cells which have the equal number of chromosomes as the parent does. A body cell contains a complete number of chromosomes and is called a diploid cell. While gametes, undergo a process called meiosis. Meiosis is the process of cell division wherein the parent cell divides its chromosomes into two sets and gives rise to germ cells. A gamete contains only half the number of chromosomes of its parent cell, and it is called a haploid cell.

MITOSIS:

1/2/3.

4. Many muscle cells goes through mitosis, produces copies of muscle cells, and the muscle tears are filled in. Your skin is constantly going through mitosis as it generates layer after layer of fresh skin cells. Your digestive system is a high friction environment, so it’s existing cells are constantly being rubbed away. The cells are constantly going through mitosis in order to replace the losts cells.

 

Dulce et Decorum Est

In the Literature class Pato our teacher, gave us a job to do about a poem called Dulce Et Decorum Est. I worked with Martín Ananía.

 

Task 1:

First Stanza

 

2) In the first stanza it is described how the soldiers were going from trench to trenches. He uses the word “blood-shod”  which means that the soldiers were walking with boots full of blood. The emotions expressed are, fatigue, depression and shock.

 

3) “Bent double, like old beggars under sacks”

 

4) The shells were disappointed because they represent the dead soldiers left behind and the exhaustment of the soldiers who survived.

 

Second Stanza

 

1)In the second stanza, the emotion changes when someone warns the rest of the soldiers about a gas bomb. So, they run for their lives, with no matter of the fatigue described in the first stanza

 

2) The soldiers were fumbling because of the weakening work they were doing, they could not walk properly. Also, they could be failing to hold their guns properly because they were “out of gas”

 

3) “As under a green sea, I saw him drowning.”

 

Third stanza

 

1)The length of the third stanza indicates a shift in time as the narrator relates how many years after the war he still recalls this traumatic event. This makes emphasis. ln how the impact of the war is felt for many years. In addition, this stanza is short because of what it represents to the writer, no one wants to remember horrible things which caused you a big emptiness and depression

 

Fourth Stanza

 

1)The main emotion of this stanza, is that the soldiers were treated very bad, the narrator feels used, like a slave and that if he dies, no one will remember him or what he did.

 

2) One part affected by this gas, is obviously the lungs, this gas difficulties the respiration. The eyes because is difficult to see and lastly the tongue.

 

3) It refers to the contrast in this simile that highlights how youth, innocence and their dreams are destroyed by war.

 

Extension question:

 

We liked the poem because it tackles what really happens in war that we are not able to see. The emotions in this poem are very present when in the fourth stanza, it says that the soldiers were devastated by war, were treated inadequately for the hard work they were doing for their country and that they were going to be forgotten by people. What the poet is trying to express is that we have to realize what is really happening at war and that we have to give more importance to the soldiers that fought in wars.

Task 2

On both poems, Death Bed and Soldier Rest! we are given voices which explain the situation the soldiers are faceing at the moment because of the suffering of the war.

Fitstly, on death bed, tha voice tell us the situation of a soldier who is on his deathbed, prepared to say good bye to this world after his job as a soldier. In this poem water is represented as death and the voice describes how the water takes away the soldier, representing his death.

Secondly, on Soldier Rest! The voice tell us the situation of a soldier after he have served to his country, of how his life changed when he was given the order to rest. In the poem we are told that the soldier thought that he would lost all his nightmares about the battle field, but he didn’t, he suffered a lot and lost a lot of people at war. It didn’t matter if he came back, nothing was going to be the same, the suffering was already done.

Virtual period: Sex, hormones and puberty

2. The hormones which are responsible for the changes of puberty in the body are, in the case of girls, the Luteinising hormone and in the case of boys, the pituitary gland produces LH and FSH, which together stimulates the production of sexy hormones.

4.

FSH: Follicle stimulating hormone is produced by the pituitary gland. It regulates the functions of both the ovaries and testes. Lack or insufficiency of it can cause infertility or subfertility both in men and women.

 

LH: Luteinising hormone is produced by the pituitary gland and is one of the main hormones that control the reproductive system.

 

Oestrogen: a ripe of sex steroid hormone found in men and women responsible for secondary sexual characteristics.

 

Progesterone: is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy. It may also be involved in the growth of certain cancers.

 

Oxytocine: is normally produced by the paraventricular nucleus of the hypothalamus and released by the posterior pituitary.[3] It plays a role in social bonding, sexual reproduction in both sexes, and during and after childbirth.

 

HCG: Human chorionic gonadotrophin is a reproductive hormone that is essential for establishing and maintaining early pregnancy.

 

Prolactine: is a hormone produced in the pituitary gland, named because of its role in lactation. It also has other wide ranging functions in the body, from acting on the reproductive system to influencing behaviour and regulating the immune system.

 

Testosterone: is a hormone that is responsible for many of the physical characteristics specific to adult males. It plays a key role in reproduction and the maintenance of bone and muscle strength.

 

5.

 

  1. 12 years.

  2. Yes, because girls normally start menstruation between 10 and 15 years of life.

  3. Menstruation and tested enlarge.

  4. Yes because the earliest age where menstruation starts it’s at 9.

  5. Girls.

 

 

Rooms by Charlotte Mew

In our Literature class, Pato, told us to do the activity of her blog in pairs. I did it with Martín; here is hat we did.

Activity 1:

Activity 2:

https://www.canva.com/design/DAC1IM2gM5w/EE8-pH0E01W5JtQwbFnBYg/view?utm_content=DAC1IM2gM5w&utm_campaign=designshare&utm_medium=link&utm_source=sharebutton

Virtual period: Reflex Arcs

a.

 

b. https://youtu.be/tOPkmPLK4y4

 

Biology Virtual period: Nervous System

1.The nucleus of the neuron is surrounded the soma that could be called the body of the neurons. The soma is surrounded by Dendrites which are the place where the neuron recibes its signal. And then we have something like the tail of a neuron that is calles the Axon, Axons inside the brain can be short but in the rest of the body like in the spine or other limbs, the axons are quite long. This length is because the range that the Axon has. The axon ends with the axon terminal which can connect to another neuron or other tissue. Around the Axon there are some insulating cells which are called the Schwann Cells and they have the function of making the myelin sheath.

2.

3. https://youtu.be/Iws8w6NpsGg

 

 

Adrenaline and ADH

1- a: •Raises blood sugar levels by stimulating the liver to change glycogen into glucose

•Causes fatty tissue to release fat into the blood

•Increases the heart rate

•Increases blood flow to the muscles

•Reduces blood flow to the skin and the intestines

•Widens the bronchioles

•Dilates the pupils

1- b: Work-related problems, lack of money, worry about appearance, even sitting in a traffic jam can cause release of adrenaline

2- a:

2- b

3-

L

Endoctrine system: Hormones and their effects

1. A hormone is a chemical in the body which administrates the functioning of organs and cells.

2.

3. Insulin regulates glucose levels in blood. Whenever we eat carbohydrates, we ingest glucose. If the glucose levels we ingest are very high, it could cause problems if it weren’t for the hormone of insulin, which regulates the amount of glucose and stores the excess glucose as glycogen in the liver. If insulin is not produced because of a problem in the pancreas, that extra amount of glucose which we ingest wouldn’t be regulated and it would lead to an illness, such as diabetes.

 

“Uno es dueño de sus silencios y esclavo de sus palabras” Ensayo

La frase “Uno es dueño de sus silencios y esclavo de sus palabras. Puede entenderse con distintas interpretaciones. Estas interpretaciones pueden estar a favor o en contra de esta frase. La mayoría de estas plantean algo muy parecido, que es que las palabras pueden llegar a ser muy poderosas.

Por un lado, se nos plantean las ideas a favor de que la frase es correcta. La frase significa que cuando alguien habla es capaz de perjudicarse a uno mismo ya que no eras palabras pueden llegar a usarse en su contra “Uno es esclavo de sus palabras”, Mientras que el silencio es seguro porque nadie puede saber lo que uno piensa y por eso es imposible que sea utilizado en su contra. Un ejemplo de esta frase puede ser cuando una persona está siendo interrogado bajo la ley, si esta persona habla toda la información que esté dando podría ser utilizada en su contra, pero si está persona no da información no estaría bajo el control de sus palabras.

Por otro lado, existen argumentos que refutan esta frase. Este argumento plantea que uno no es esclavo de sus palabras ya que si uno sabe controlarlas de forma que estas no le traigan ningún problema y que este control sobre sus palabras será capaz de traerle beneficios a esta persona. Un ejemplo de este argumento sería que si una persona puede sonar convincente en frente de un superior no será el esclavo de sus palabras sino el dueño.

Para finalizar, Uno es dueño de sus silencios y esclavo de sus palabras porque más allá de que si uno contra lo sus palabras para evitar que estas lo perjudiquen, en la mayoría de los casos estas van a llegar a poder perjudicar a la persona.