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Im hispanic, El Salvadorean. I was born in CHICAGO. but am El Salvadorean because both my parents are from there
_________ produce specific antibodies.?
A).Macrophages
B.) T cells
C.) Plasma cells
D.) Monocytes
1 AnswerMedicine7 years ago________ are macrophage precursor cells.?
A. Monocytes
b.) Macrophages
c.) T cells
d.) B cells
2 AnswersBiology7 years agoWhich of the following is required to detach myosin from actin?
A.troponin
B. ATP
C. calcium
D.phosphate
1 AnswerBiology7 years agoThe neurotransmitter released from the nerve terminus at the neuromuscular junction is ___________.?
A.tropomyosin
B.serotonin
C.acetylcholine
D. troponin
1 AnswerMedicine7 years agoThe interaction between __________ can be described as the forming of cross-bridges?
A.Ca2+ and troponin
B.troponin and tropomyosin
C. myosin and tropomyosin
D. actin and myosin
3 AnswersBiology7 years agoIn a stimulated muscle fiber, the calcium ions released by the sarcoplasmic reticulum bind to the protein ____?
A.troponin
B.myosin
C.actin
D.tropomyosin
2 AnswersBiology7 years agoIs plan B messing with every part of my menstrual cycle?
Everyone knows why you take this pill. Anyway, I got my period about a week and a few days early which i read was normal so I wasn't worried. I started getting worried now because every thing about my cycle has changed. It's very light and brown, which i read means old blood? Also it seems dryer. Usually it's red and strong. My period usually lasts 6 days but today is the seventh day and it just keeps going. If anyone can help me I would really appreciate it!
1 AnswerWomen's Health7 years agoAnnelids are characterized by serial _________.?
2 AnswersEarth Sciences & Geology7 years agoAnnelids are characterized by serial _________.?
1 AnswerZoology7 years agoTwo phyla that belong to the Ecdysozoan clade are?
A.) Annelida and Mollusca.
B.)Nematoda and Arthropoda.
C.)Platyhelminthes and Nematoda.
D.)Platyhelminthes and Arthropoda.
1 AnswerZoology7 years agowhich of the foloowing is not true of volvox?
a. Hollow spheres of cells
b. it's a multicellular organism
c. Individual cells have 2 flagella
d. It's a colonial group of individual cells
1 AnswerBotany7 years agoWhich of the following is not true about meristems?
Apical meristems give rise to three types of embryonic tissues.
Meristematic cells fuse with other cells.
They are responsible for primary and secondary growth.
They can be apical or lateral.
1 AnswerBotany7 years agoWhat are the tissue layers in the middle of a leaf , between the upper and lower dermis, called?
ground tissue.
collenchyma.
protoderm tissue.
mesophyll tissue.
1 AnswerBotany7 years agoRoot hairs grow actively in which area of the developing roots?
zone of elongation
endodermis
root cap
zone of maturation
1 AnswerBotany7 years agoPrimary growth in plants originates in?
A- cork cambium
B- vascular cambium
C-lateral meristems.
D-apical meristems.
1 AnswerBotany7 years agoWhat are the 3 basic prokaryotic forms? HELP!?
2 AnswersBotany7 years agoFungi, together with bacteria are the principal _________ in the biosphere.?
and how to you give best answers
3 AnswersBotany7 years agoThe symbiotic relationship. PLEASE HELP?
The symbiotic relationship between green algae or cyanobacteria and fungi produce_____. (This answer is PLURAL)
2 AnswersBotany7 years ago