excitability is the ability of a cell to receive and respond to stimulus by changing its membrane potential. true or false?

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Thyroid-stimulating hormone stimulates the thyroid gland to secrete sex hormones. true or false

Which term is applied to a scientist who studies ancient life, including animal and plant fossils? a- paleontologist b- geophysicist c- dendroclimatologist d - anthropologist