Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Life of a cell

QuestionAnswer
During the cleavage of cells, the early zygote transforms into a mass of undifferentiated cells. What happens here? (think DNA rep n mitosis) Rapid DNA replication and mitosis, but no growth!
The early mass of undifferentiated cells is called a ___ Blastocyst
what are the individual cells of the undifferentiated mass of cells called? Blastomeres
The blastula contains a fluid filled cavity. What is this called? blastocoel
What are the three layers of the gastrula? Ectoderm, Mesoderm, Endoderm
The opening left by the invagination to form the gastrula is called the ____ Blastopore
What does the endoderm form in to? Internal organs associated with GI, respiratory, excretory and reproductive tracts
What does the mesoderm form into? Lymphatic, Circulatory
What does the ectoderm form in to? Skin, Nervous systems
What does the notochord signal the ectoderm to do? Form a thick and flat neural plate
What becomes the CNS and what becomes the PNS in neurulation? Neural tube becomes CNS, neural crest becomes PNS
What is a stem cell? Unspecialised cell, capable of self renewal and giving rise to various differentiated cell types
Pluripotent stem cells Can differentiate into any cell type
Totipotent stem cells Differentiate into all cell types including placenta
Multi potent stem cells Can differentiate only into certain cell types (e.g haematopoetic stem cells)
What derm layer do multipotent stem cells come from? Mesoderm
What are the two main proteins involved in the cell cycle control? Cyclin, and cyclin dependent kinase
What is apoptosis? Programmed cell death
What is apoptosis activated by? Capsases
What is necrosis? Uncontrolled cell death
What causes necrosis? Burns, chemicals, infections, etc.
Suppression of what gene will suppress apoptosis? BCL2
what do mitogens do? stimulate mitosis
What are the four common phases of histological techniques? Fixation, Dehydration, Clearing, Embedding
Created by: Jake_Bark
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards