Why are viruses not considered to be alive? What will be an ideal response?


The first reason is that viruses are not cells, and cell theory states that all living things are cells. The
second reason is that viruses are unable to replicate on their own and depend on host cells to facilitate
the process.

Biology & Microbiology

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When treating an organism with a mutagen, although it is possible that homozygous mutations will occur, it is more likely that most new mutations will be heterozygous or hemizygous

Indicate whether the statement is true or false

Biology & Microbiology

If two animals are living together and the death of one results in the death of the other, the two animals were 

A. competitors. B. vectors. C. mutualistic. D. predators.

Biology & Microbiology

Red light and phytochrome are involved in which of the following plant growth responses? Check all that apply.  

_____  thigmotropic responses _____  inhibition of seed germination _____    elongation of etiolated shoots _____  detection of crowding by neighboring plants

Biology & Microbiology

What kind of oocyte is released from the ovary at ovulation?  

A.  primary B.  germinal C.  secondary D.  ovum

Biology & Microbiology