Biology

Biology
lorraini
2021-04-15 00:29:36
Which protein serves as a chemical messenger? hemoglobin actin myosin insulin...
ANSWER
Biology
christopherbrothers
2021-04-14 22:20:21
In what way does a specialized cell in a multicellular organism differ from the cell of a unicellular organism...
ANSWER
Biology
miah10123
2021-04-14 17:14:51
The Sikhote- Alin Mountains, and the Siberian tigers living on them, are separated from other mountain regions in which the tigers could live. The mo...
ANSWER
Biology
Kat2014
2021-04-14 15:52:36
All cell membranes are primarily composed of _____________. A).triglycerides B).amino acids C).nucleic acids D).phospholipids...
ANSWER
Biology
Aishamohsin73
2021-04-13 23:25:36
During an ice age, the Earth’s oceans a. all freeze c. fall b. raise d. none of the above...
ANSWER
Biology
CarlettaVidrine
2021-04-13 23:13:51
Natural selection could not occur without: A. genetic variation in species B. environmental changes C. competition for unlimited resources D. gra...
ANSWER
Biology
lovediamond01
2021-04-13 22:50:21
What is the best description of what viruses are made of? a. protein and RNA b. carbohydrates and RNA c. protein and nucleic acids d. carbohydrat...
ANSWER
Biology
Bee08
2021-04-13 21:04:36
As a testament to how bad smoking is, _____ of current smokers would like to quit. a. 90% b. 85% c. 70% d. 60%...
ANSWER
Biology
jcsillymonkey02
2021-04-13 20:29:21
Which of the following organelles assembles proteins? ribosomes Golgi apparatus nuclear envelope or endoplasmic reticulum...
ANSWER
Biology
rose7mhs
2021-04-13 20:05:51
Which of the following could NOT be an RNA transcript? Answer GGCUAG CCGATC UUAACC ACGGAU GAGCAU...
ANSWER
Biology
LyneM
2021-04-13 19:18:51
Which of the following organisms lives near the surface of aquatic biomes because it needs sunlight to survive? a. phytoplankton b. zooplankton c....
ANSWER
Biology
estesman12
2021-04-13 17:09:36
Ginger is a modified stem called a rhizome. New shoots can form from a rhizome, allowing the plant to undergo a period of dormancy. Which function of...
ANSWER
Biology
luzperezm
2021-04-13 16:57:51
Which of the following requires an aditional intake of oxygen for a 20 to 30 minute period? A. Aerobic exercise B. Anaerobic exercise C. Flexibilt...
ANSWER
Biology
chayo
2021-04-13 15:47:21
The dominant physical feature of the Arabian Peninsula is the _____. Arabian Desert Asir Mountains Oman Gulf Strait of Hormuz...
ANSWER
Biology
nathangamer98
2021-04-13 14:13:21
Which of the following is required for photosynthesis to take place? a. sugar b. oxygen c. ATP d. water...
ANSWER
Biology
niki199
2021-04-13 12:39:21
The main function of _____ tissue is communication between different parts of the body. connective epithelial nervous muscular...
ANSWER
Biology
Bluesplash
2021-04-13 08:56:06
the cell membrane contains channels and pumps that help move materials from one side to the other. what are these chemicals and pumps made of?...
ANSWER
Biology
sera
2021-04-13 06:58:36
which of the following can be accurate said about climax communities...
ANSWER
Biology
hayeshaily
2021-04-13 06:46:51
What instrument was essential to the development of the cell theory? A. the camera B. the test tube C. the x-ray machine D. the light microscope...
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Biology
knappm14
2021-04-13 05:48:06
Glaciers pick up large rocks and carry them away. This is called _____. hydraulic action traction plucking attrition...
ANSWER
Biology
niccason
2021-04-13 04:49:21
how do cells.tissues,organs, and organ systems work together in a multicellular organism?...
ANSWER
Biology
WendellZito
2021-04-13 02:40:06
put the following terms in order from least complex to most complex. -Blood Cell -Fish -Circulatory System -Heart -Heart Muscle tissue...
ANSWER
Biology
Seetha
2021-04-13 02:16:36
Which process MUST occur before mitosis and meiosis can occur? a. DNA translation b. DNA replication c. DNA conjugation d. DNA transcription...
ANSWER
Biology
EllenIron
2021-04-13 02:04:51
New genetic strains of crops have been developed, yielding significantly higher amounts. The use of high-yield hybrid crops is called _____. please a...
ANSWER
Biology
ineedhelpreallybad
2021-04-13 00:30:51
To which substance does ferredoxin transfer an electron...
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