Ctenophores are lined with 10 rows of long tentacles used for locomotion
Indicate whether the statement is true or false
F
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Harmful amounts of ________ may be absorbed by the leaf cuticle as well as by carotenoids and flavonoids.
A. carbon dioxide B. blue and red light waves C. chlorophyll D. xanthophylls E. UV radiation
In an organism, X, it is found to be impossible to generate loss-of-function mutants for most genes. There is an alternative method of introducing random mutations that can later be screened for the gene(s) in question
This can be accomplished by using insertions due to what structures?
Which of the following is/are microorganism/s that can be used as food?
A. Methylophilus methylotrophus B. Algae C. Fusarium graminearum D. Spirulina E. All of the choices are correct.
When conducting a biological study or experiment in the field which equipment is the most important?
a) heat-resistant gloves b) thermometer c) field guide about wildflowers d) first-aid kit