Flashcards in April Test Deck (53)
What happens inside the cytoplasm?
What are the mitochondria for?
What is the nucleus for?
-Controlling the cell
-Contains the instructions to make a new cell
What is the cell membrane for?
Controlling what enters and exits the cell
Why is a sperm cell specialised?
-Many mitochondria to release energy for movement
Why are nerve cells (neurones) specialised?
-they're long and thin and form connections with other cells
What do ribosomes do?
What do chloroplasts do?
Convert light energy into glucose
What is glucose?
What does the vacuole do?
Stores food + nutrients
What is interphase?
The cell prepares to divide by copying DNA and making cell parts
What is mitosis?
Where chromosomes separate and the cell divides into two
What's the best way to remember the mitosis cycle?
Please Make Another Two Cells
What happens in prophase?
What happens in metaphase?
Chromosomes line up in the middle and spindle fibres start filling the cell
What happens in anaphase?
Chromosomes are pulled apart by spindle fibres
What happens in telophase?
Two nuclei form
What happens in cytokinesis?
Cytoplasm divides in two
What are gametes?
What's the magnification formula?
Image ➗ Actual
Is a body cell a haploid or diploid?
Is a sex cell a haploid or diploid?
Traits of asexual reproduction?
One parent, little offspring, offspring clones of parent
Traits of sexual reproduction?
Variation in offspring
What are the 4 bases in DNA?
What are the uprights of the DNA ladder made of?
Sugar and phosphate
What are the bases connected by in DNA?
What is the twisted DNA structure called?
How are mutations formed?
When DNA is copied wrong