Prokaryotic cells lack a nucleus. Therefore, the genes in prokaryotic cells are:

a) All expressed, all of the time
b) Transcribed and translated almost simultaneously
c) Transcriptionally controlled because translation begins before transcription ends
d) B and C are both true

Chinese privet is a plant that is native to china. over 150 years ago, chinese privet was introduced to the united states as a fast-growing shrub that serves as an excellent privacy hedge. with no natural herbivore, chinese privet quickly established itself and spread in natural areas throughout the southeast and eastern seaboard of the united states. its dominance in these areas has jeopardized the survival of native plant species. chinese privet provides evidence that introducing non-native organisms can cause environmental damage integrated pest management strategies will not decrease chinese privet populations american gardeners can easily control the spread of chinese privet non-native plant species have type i survivorship curves

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.