Which of the following describes the most important difference between invertebrate and vertebrates?
a vertebrates contain multiple tissues, while invertebrates do not
b invertebrates contain multiple tissues, while vertebrates do not
c vertebrates contain a backbone while, invertebrates do not
d invertebrates contain a backbone while, vertebrates do not

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

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder