P-proteins belong to :
xylem parenchyma
trichomes
sieve tube elements
tracheids and vessels
C.
sieve tube elements
P-protein or phloem protein are proteinaceous substance. They are found in cells of flowering plant phloem, particularly in sieve tube members where it may block or hinder translocation through sieve pores.
The wall of bacteria is consists of :
N-acetyl glucosamine
N-acetyl muramic acid
both (a) and (b)
cellulose
The organelles, those take part in photorespiration are :
chloroplast and mitochondria
chloroplast, mitochondria and peroxisome
mitochondria and peroxisome
mitochondria only
Mark the correct sequence of layers found in root anatomy:
Epiblema, cortex, endodermis, pericycle
Cortex, epiblema, pericycle, endodermis
Epiblema, cortex, pericycle, endodermis
Cortex, epiblema, endodermis, epidermis
Organs which differ in origin but perform similar functions :
analogous
homologous
vestigial
any of the above