Biology, 31.07.2019 10:00 21hendlill
Which is not an example of cell differentiation? a. a leaf cell divides as a plant leaf grows. b. a fertilized egg develops limbs and a head. c. stem cells from bone marrow develop into blood cells. d. bone marrow cells are used to repair damage to heart tissue?
Answers: 1
Biology, 21.06.2019 19:30
Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.
Answers: 2
Biology, 22.06.2019 00:10
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 08:00
When a doggo starts to pace around in the same line for a hand full of days. what would that mean?
Answers: 2
Biology, 22.06.2019 10:10
20 point pls brianliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?
Answers: 1
Which is not an example of cell differentiation? a. a leaf cell divides as a plant leaf grows. b. a...
Mathematics, 31.03.2020 22:42
Mathematics, 31.03.2020 22:42
Mathematics, 31.03.2020 22:42
Mathematics, 31.03.2020 22:42
Mathematics, 31.03.2020 22:42
Social Studies, 31.03.2020 22:42
History, 31.03.2020 22:42
Chemistry, 31.03.2020 22:42
Mathematics, 31.03.2020 22:42
Social Studies, 31.03.2020 22:42