Which of the following is not accounted for by cell theory?
A. the growth and reproduction of unicellular organisms
B. the generation and replacement of cells in multicellular organisms
C. the origin and nature of the very first cells, from which all other cells derive
D. the existence of erythrocytes, neurons, and other cells that do not reproduce
Answers: 3
Biology, 21.06.2019 16:30, biancaapere7
Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the
Answers: 1
Biology, 21.06.2019 19:40, Ashleyrango5371
In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20
Answers: 1
Biology, 22.06.2019 00:10, bobtothemaxthe1st
Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.
Answers: 1
Biology, 22.06.2019 00:30, stgitskaysie9028
Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?
Answers: 1
Which of the following is not accounted for by cell theory?
A. the growth and reproduction of unice...
History, 07.10.2019 19:10
History, 07.10.2019 19:20
Mathematics, 07.10.2019 19:20
Mathematics, 07.10.2019 19:20
Mathematics, 07.10.2019 19:20