Answer:
polynucleotide "carbon" sugar so I would say B or D
Explanation:
That should be the cell membrane. The cell membrane acts as a filter in and out.
Answer:
number 3: bb
number 4:the evidence is shown in the pedigree chart since the square is colored in all the way, which means it is being affected in this situation
Explanation:
3 is bb because blindness is a recessive trait
Answer:
the basic steps are
Making observation
Stating questions
Hypothesis formulation
experiments conducts
data analysis and conclusion
Explanation:
Observation is the first step to take by all, because it enables the participant to collect and record data,(qualitative and quantitative) <u>for construction and testing of hypothesis and theory.i</u>t is carries out with tools-microscopes, thermometer, transmitters, and special senses.
it also enable scientists to see the outcome ofan experiments even if the result is not the expected,
it aids discovery of certain things around, which may stimulate curiosity