When does the apical–basal axis first become apparent?a. when the epidermal, ground, and vascular tissues formb. when the cotyledons, hypocotyl, and root formc. when the first cell division produces the apical cell and basal celld. during the globular stage, when the suspensor is complete

Why do seeds need water to germinate?

A botanist had an apple tree in his yard that produced eight different varieties of apple. How was this tree most likely produced?

A fruit isa. a mature ovary.b. a mature ovule.c. a seed plus its integuments.d. an enlarged embryo sac.

Which of the following does not occur during embryogenesis?a. formation of the radial axisb. production of the suspensorc. formation of the cotyledons and hypocotyld. formation of the leaf lateral and proximal–distal axes

Why is the emergence of the radicle an important first step in germination?a. Its hook helps protect the shoot that emerges later.b. It carries out photosynthesis to supply the embryo with food.c. It is important for establishing a supply of water to the growing embryo.=d. It is necessary to break the seed coat.

The black dots that cover strawberries are actually fruits formed from the separate carpels of a single flower. The fleshy and tasty portion of a strawberry derives from the receptacle of a flower with many separate carpels. Therefore, a strawberry isa. a simple fruit with many seeds.b. both a multiple fruit and an accessory fruit.c. both a simple fruit and an aggregate fruit.d. both an aggregate fruit and an accessory fruit.

In what sense are the tissues produced in the shoot and root apical meristems of a 300-year-old oak tree 'embryonic'?

Predict how a mutation that caused continuous production of active p53 would affect the cell.