The diagram shows the cells involved in the repair of skin tissue - Edexcel - GCSE Biology - Question 3 - 2013 - Paper 1
Question 3
The diagram shows the cells involved in the repair of skin tissue.
(i) Complete the sentence by putting a cross (✗) in the box next to your answer.
A tissue is a gr... show full transcript
Worked Solution & Example Answer:The diagram shows the cells involved in the repair of skin tissue - Edexcel - GCSE Biology - Question 3 - 2013 - Paper 1
Step 1
Complete the sentence by putting a cross (✗) in the box next to your answer.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A tissue is a group of D similar cells working together.
Step 2
Suggest how stem cells produce new tissue.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Stem cells produce new tissue by undergoing division and differentiation. They can replicate themselves and give rise to various specialized cell types that make up the new tissue.
Step 3
Calculate the mass gained by baby X from birth to 24 months.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
To calculate the mass gained by baby X:
Start mass at birth: 2.5 kg
End mass at 24 months: 10.8 kg
Mass gained = End mass - Start mass = 10.8 kg - 2.5 kg = 8.3 kg
So, mass gained = 8.3 kg.
Step 4
Complete the sentences.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Carbohydrates are broken down by amylase into simple sugars.
Glucose is absorbed into the blood through villi found in the small intestine.
