In the space provided below draw two sketches. Show what happens when a restriction enzyme leaves blunt ends and show what happens when a restriction enzyme leaves sticky ends. Label the restriction sites in each sketch

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing