-
scientifically do****ent that
roots show
positive gravitropism and
stems show
negative gravitropism. That is,
roots grow in the
direction of gravitational...
- to grow
towards light (phototropism) and the
roots to grow
downward (
gravitropism). In both cases, the
directional growth is
considered to be due to asymmetrical...
- mitosporangiop****s (sporangiop****s).
These specialized hyphae usually show
negative gravitropism and
positive phototropism allowing good
spore dispersal. The sporangia...
-
phenomenon known as
negative gravitropism.
Poplar stems can
detect reorientation and
inclination (equilibrioception)
through gravitropism. At the root tip, amyloplasts...
- dark,
solid objects and
climb them. The
combination of
phototropism and
gravitropism allow plants to grow in the
correct direction.
There are
several signaling...
-
light and turn green.
Amyloplasts are
thought to play a
vital role in
gravitropism. Statoliths, a
specialized starch-ac****ulating amyloplast, are denser...
- This
control has been
called tropism. A
quantitative study of
shoot gravitropism demonstrated that, when a
plant is tilted, it
cannot recover a steady...
- of root cap
growth that
controls early gravitropism in roots.
Ethylene seems to be
important in
gravitropism in shoots,
perhaps affecting sensitivity...
-
underground roots,
since the
roots are not
readily observable, and root
gravitropism is
usually more
influential than root hydrotropism.
Water readily moves...
-
functions of
organisms are
mediated by gravity, such as
gravitropism in
plant roots and
negative gravitropism in
plant stems, and
without this
stimulus growth...
