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Biology
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Tobacco mosaic virus (TMV) can cause plants to produce less chlorophyll. This causes leaf discoloration. Explain why plants with TMV have stunted growth.

The reduction in plant chlorophyll content due to TMV means that less photosynthesis is reduced. Chlorophyll is integral to photosynthesis. A reduction in photosynthesis means that there is a subsequent r...

SJ
Answered by Shloke J. Biology tutor
23421 Views

Describe one problem inbreeding causes.

These animals are more likely to pass on (recessive) disorders, and subsequently more likely to be susceptible to diseases.  

JS
Answered by Jeevan S. Biology tutor
6519 Views

Describe the genetic code and its relationship to polypeptides and proteins. (5 points) (PAPER 2 QUESTION BIOLOGY SL)

Sequential answer: 1. What is the genetic code? sets of 3 nucleotides/sets of bases which are called codons (1 point). 2. Which are the bases? bases include adenine, guanine, cytosine and thymine in DNA /...

AA
Answered by Arian A. Biology tutor
9234 Views

What is the difference between vaccines and immunisation?

Immunisation is the process of becoming "immune" to a pathogen, in other words once you are exposed to the pathogen again you won't become ill (present with the symptoms). After your body is exp...

JW
Answered by Jake W. Biology tutor
2970 Views

Define active transport.

Active transport uses energy in the form of ATP hydrolysis to move a molecule against its concentration gradient.

JA
2291 Views

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