Answer:
There is one carbon atom on the reactant side and one carbon atom on the product side.
Explanation:
The same is true for oxygen except that there are two oxygen atoms on each side (remember that the subscript of two in the oxygen molecule means that there are two oxygen atoms bonded together).
Answer:
The correct options are A and C.
They absorb nutrients needed by other cells.
They prevent organs from functioning properly
Answer:
The compound light microscope canbe used with a dye on the slide to viewtissue samples, blood, microorganisms in pond water, microscopic cells.
Answer:
Since the lipid membrane is easily disrupted by various disinfectants, enveloped viruses are generally easy to inactivate on hands or surfaces. Not so the non-enveloped viruses.Disinfectants have hard time disrupting such compact structure and many non-enveloped viruses are highly resistant.
Explanation:
Answer:
Jawless fish was present before vertebrates.
Explanation:
Jawless fish has some characteristics of vertebrates and also considered as the ancestor of vertebrates on earth which is similar in appearance with the hagfish. It was present about 500 to 600 million years ago. They consist of cranium but vertebral column is absent. but with the passage of time, evolution occurs and many animals which was the descendant of this jawless fish having vertebral column or backbone in their body.