A scientist is investigating a hormone response in rose bush stems by removing the apical meristems of the main stems. What is the most likely result of this experiment and what hormone is responsible?
A. New apical buds will develop under the influence of auxin.
B. Larger, deeper roots will form under the influence of cytokinin.
C. More leaf buds will appear along the main stems under the influence of auxin.
D. Flowers will turn yellow and fall off under the influence of auxin.
E. Lateral buds will develop under the influence of cytokinin.
E. Lateral buds will develop under the influence of cytokinin.
When the apical buds are removed, cytokinin will influence the development of lateral buds into branches.
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Fertilization of human eggs usually takes place in the
A. ovary. B. oviduct. C. uterus. D. vagina. E. None of the choices are correct.
What pigments are present in the samples derived from individuals that are homozygous recessive for shell color?
a. Red and grey b. Yellow and grey c. Red and yellow d. Red, yellow, and grey
Mitosis and cytoplasmic division of a cell in an ovule
produces four __________, one of which gives rise to the female gametophyte. Fill in the blank(s) with the appropriate word(s).
Organisms come into sexual maturity at different times of the year. This is an example of:
A) temporal isolation. B) hybrid infertility. C) hybrid inviability. D) hybrid vigor.