One hot dry summer is the ansrew
Answer:
false
Explanation:
During synapsis, chromatids of homologous chromosomes exchange segments in a process called crossing over. This rearranges genetic info. As this phase continues the chromosomes coil tightly and a spindle forms.
The answer is;
helps decrease blood
calcium
inhibits osteoclast activity
Osteoblast activity
is inhibited so that calcium resorption from the bone is repressed.<span> Calcitonin also signals the kidneys to reduce the reabsorption of
calcium ions from urine hence increase its loss from the blood. </span>
Answer:
Impermeable membrane
Examples: egg shell, paver membrane etc
