When a plant zygote first forms, it starts to develop and elongate after mitosis begins
Indicate whether the statement is true or false.
ANS: F, before mitosis begins
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The DNA sequence which corresponds to a specific protein product is referred to as a ____
Some help with this please?
In a FISH experiment, what would happen if unbound probe was not washed off?
A. Nothing-it's not necessary to wash off the unbound probe. B. You would get false-positive results in different areas where the probe hadn't actually bound, but it was still sitting there and lighting up. C. Your FISH would be floating at the top of the tank due to the toxicity of the probe building up within them. D. Nothing-the target nucleotide sequences are labeled, not the probe. Therefore, excess unbound probe wouldn't matter for the experiment.
DNA polymerase can only add new nucleotides to the 3' DNA end of the template.
Answer the following statement true (T) or false (F)
A 27-year-old man has to urinate often and it is painful. A gram-negative, lactose-fermenting bacillus was isolated from the urine in high concentration. Which of the following virulence factors is most important for promoting this disease?
A. Capsule B. Cholera-like toxin C. Fimbriae D. Lipopolysaccharide E. Shiga-like toxin