Innate and Adaptive Immunity: Cells and Functions
Natural Killer (NK) Cells
NK cells attack and destroy tumor cells and virally infected cells through a process known as “self-extinction.” This term describes cells with low levels of a cell surface marker called MHC I (major histocompatibility complex) – a situation that may arise in viral infections of host cells. Such cells are called “natural killer” because of the initial concept that they did not require activation to kill cells that were “missing self.” Like other “unconventional” T cells
Read MoreUnderstanding Asthma and Pneumonia: Symptoms and Treatments
Azma Etio:
-SG |
Th1-Th2-Ig2-Cytokines(IL3-4-5-9), GM-CSF, TNF-alpha-ADAM33 |
-SG =-EF: ^Triggers:^Px:
I: (intermittent) -ASx [N] PEF Night Sx (2x/Month) FEV1PEF 80% Prediction | II: (mild persist) -1+Week less 1 day -Nocturnal 2+Month |
III: Mod Persist -Daily Sx -1+ |
Comprehensive Overview of Pregnancy and Delivery Complications
I: Start of Contraction to Full Dilation | II: Full Dilation to Delivery– Null 2 Hours!– x 1 Hour!– Using Analgesics extend it to 1 hour more! | III: Delivery to Placenta Release 30 min |
Latent:
|
English Verb Tenses and Vocabulary for Daily Life
English Verb Tenses
Present Simple vs. Past Simple
- Present Simple:
- + He/She/It: chats online
- + I/You/We/They: chat online
- – I/You/We/They: don’t chat online
- – He/She/It: doesn’t chat online
- ? Do I/You/We/They chat online?
- ? Does he chat online?
- Past Simple:
- + I/You/He/She/It/We/They arrived.
- – I/You/He/She/It/We/They didn’t arrive.
- ? Did I/You/He/She/It/We/They arrive?
Was/Were
- + I/He/She/It: was
- + You/We/They: were
- – I/He/She/It: wasn’t
- – You/We/They: weren’t
- ? Was he happy?
- ? Were you happy?
Present Continuous
- + I’
Impacts of Climate Change, Technology, and Social Issues
Migrant Crisis
1. A) Russia does not… both sides. B) New arrivals… Arctic climate.
2. A) False. Although Russia… both sides. B) False. With most of… beds. C) True. The number… in 2015.
3. A) Quarters: barracks B) Aspirants: seekers C) Preceding: former D) Refuge: shelter.
4. 1:b / 2:a / 3:b
Writing: The main difficulties an immigrant faces are:
- Getting a job. This is the biggest difficulty because the reason to emigrate is to obtain a better life than you had.
- Earning little because you are an
Analysis of Sci-Fi Stories: Meteor, Dumb Martian, Survival, and Body and Soul
Page 107
Exercise 1
1c, 2a, 3c, 4d
Exercise 2
1. Fortans, 2. Humans, 3. Fortans, 4. Fortans, 5. Humans, 6. Humans, 7. Fortans
Exercise 3
- Duncan Weaver to the Company Agent: He was very surprised when he was told that he would have to marry the Martian girl.
- The Company Agent to Duncan: He doesn’t understand what Martians are like and how they live.
- A man to Duncan: About bringing a Martian wife with him, as Duncan was doing.
- Duncan to Lellie: About Lellie’s attempts.
- Lellie to Duncan: Trying to explain why