Ionic bonds result when electrons are tranfered between atoms. Covalent bonds result when valence electrons are shared between atoms. You should be able to identify whether an ionic or covalent bond is being formed between atoms.
Answer:
The macromolecule is nucleic acids (more importantly the nucleotides)
Explanation:
Nucleotides belong to the DNA/ nucleic acid part of macromolecules.
Answer:
infectious disease is a disease that can be spread from one person to another by the means of touching,kissing,coughing,sneezing ect ect.
but non infectious diseases r diseases that don not spread from one person to another. for eg: cancer bla bla bla.
please mark me as brainlist as i have written this from my own head and also i have science exam on tuesday
PEACE OUT
Arrector Pili<span> Muscle - This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. In order to generate heat when the body is cold, the </span>arrector pili<span> muscles contract all at once, causing the hair to "stand up straight" on the skin.
Hope this helped, credits go too google.</span>
Answer:
hitchhiker effect
it is an exaptation
Explanation:
Adaptation is a property which occurs due to change in the environmental conditions of an organism. Some traits of organisms are not adaptation because sometimes the function of a trait changes due to evolution which we called exaptation. It also occurs due to hitchhiker effect, this effect occurs when the change occurs in the frequency of allele not due to natural selection but due to selective sweep with the nearby gene.
