Specialisation In Animal Cells

Question 1

As an Organism Develops, Cells _______________ to Form Different Types of ______________ Cells.

Answer 1

Differentiate…Specialised…

Question 2

As a Cell Differentiates, it gets Different Sub-Cellular Structures that Enable it to Carry Out a Particular ___________. It has Become _______________.

Answer 2

Function…Specialised…

Question 3

Some Specialised Cells Work Individually. Others are ___________ to Work as Part of a Tissue, an Organ, or a Whole _____________.

Answer 3

Adapted…Organism…

Question 4

Nerve Cells are Specialised to Carry Out ____________ Impulses Around the Body of an Animal. They Provide a Rapid Communication __________ Between the Different Parts of the Body.

Answer 4

Electrical…System…

Question 5

Adaptations of Nerve Cells?

Answer 5

• Lots of Dendrites to Make Connections to Other Never Cells.
• An Axon that Carries the Nerve Impulse From One Place to Another.
• The Nerve Endings or Synapses are Adapted to Pass the Impulses to Another Cell or Between a Nerve Cell and a Muscle.

Question 6

Muscle Cells are Specialised Cells that Can ___________ and Relax.

Answer 6

Contract.

Question 7

Striated Muscle Cells Work Together in __________ Called Muscles.

Answer 7

Tissues.

Question 8

Three Main Adaptations of Striated Muscle Cells?

Answer 8

• They Contain Special Proteins that Slide Over Each Other Making the Fibres Contract.
• They Contain Many Mitochondria to Transfer the Energy Needed for the Chemical Reactions that Take Place as the Cells Contract and Relax.
• They Can Store Glycogen, a Chemical that can be Broken Down and Used in Cellular Respiration.

Question 9

Sperm Cells Contain Genetic Information From the _______ Parent.

Answer 9

Male.

Question 10

Main Adaptations of a Sperm Cell?

Answer 10

• A Long Tail Whips From Side to Side to Help Move the Sperm Through Water or the Female Reproductive System.
• The Middle Section is Full of Mitochondria, Which Transfer the Energy Needed for the Tail to Work.
• The Acrosome Stores Digestive Enzymes for Breaking Down the Outer Layers of the Egg.
• A Large Nucleus Contains the Genetic Information to be Passed on.