random important plant stuff Flashcards
are plants the organisms which produce the most atmospheric oxygen via photosynthesis
no
a plants life cycle is commonly called
alternation of generations
are spores always haploid
no
are seeds always diploid
yes
what are the leafy shoots of mosses in the gametophyte stage made of
haploid cells
A fern in the form that we are commonly used to seeing it is…
Made up of diploid cells and is in the sporophyte phase
What structure of a fern has both male and female sex organs
Prothallus
he place where leaves are produced on stems are called…
nodes
what are viruses made of
core of DNA or RNA and protein shell called capsid
process of the lytic cycle
get into the organism
attaches to cell
begins to steal energy and replicate its own dna
… basically the virus uses up all the energy till the cell dies then it bursts open with all newly made viruses
process of the lysogenic cycle
it works quietly integrating itself into the cells genome and replicating during cell division
gibberellins
regulate normal plant growth
cytokinins
promote lateral bud growth
auxins
promote stem elongation repress lateral bud growth
