Biology, 02.07.2020 19:01 orlando19882000
La secția de primiri urgențe a unui spital este adusă o persoană care va fi supusă unei intervenţii chirurgicale. Este necesară și realizarea unei transfuzii cu o cantitate mică de sânge. Știind că donatorii posibili pentru această persoană au grupele de sânge O și A, precizați tipul de aglutinină (anticorp) caracteristică donatorului cu grupa sanguină A
Answers: 1
Biology, 22.06.2019 03:00
Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.
Answers: 1
Biology, 22.06.2019 04:00
The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.
Answers: 1
Biology, 22.06.2019 17:30
Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings
Answers: 3
Biology, 22.06.2019 18:30
There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell
Answers: 1
La secția de primiri urgențe a unui spital este adusă o persoană care va fi supusă unei intervenţii...
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