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TLS Online TPP Program

#Question id: 374

The pH of a sample of blood is 7.4, while gastric juice is pH 1.4.  The blood sample has:

#XL - Q Biochemistry

  1. 0.189 times the [H+] as the gastric juice.

  2. 5.29 times lower [H+] than the gastric juice.

  3. 6,000 times lower [H+] than the gastric juice.

  4. a million times lower [H+] than the gastric juice.

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TLS Online TPP Program

#Question id: 18002

#XL - R Botany

What is the greatest threat to plant diversity? 
TLS Online TPP Program

#Question id: 18003

#XL - R Botany

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 
1. micropyle 2. style 
3. ovary 4. stigma 
TLS Online TPP Program

#Question id: 18004

#XL - S Microbiology

Which of the following flower parts develops into a seed? 
TLS Online TPP Program

#Question id: 18004

#XL - T Zoology

Which of the following flower parts develops into a seed? 
TLS Online TPP Program

#Question id: 18004

#XL - R Botany

Which of the following flower parts develops into a seed? 
TLS Online TPP Program

#Question id: 18005

#XL - S Microbiology

Which structure is common to both gymnosperms and angiosperms?