Practice Questions

TLS Online TPP Program

#Question id: 11502

Which of these statements is false and therefore does not support the hypothesis that certain eukaryotic organelles originated as bacterial endosymbionts? Such organelles

#XL - S Microbiology

are roughly the same size as bacteria.
can be cultured on agar, because they make all their own proteins.
contain circular DNA molecules.
have ribosomes that are similar to those of bacteria.

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TLS Online TPP Program

#Question id: 18002

#XL - S Microbiology

What is the greatest threat to plant diversity?

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?