Help me please please please
...
Answers: 2
Biology, 22.06.2019 05:30
Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.
Answers: 2
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 13:00
This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient
Answers: 1
Biology, 22.06.2019 16:00
You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars
Answers: 1
Mathematics, 16.12.2020 06:40
Computers and Technology, 16.12.2020 06:40
Chemistry, 16.12.2020 06:40
Advanced Placement (AP), 16.12.2020 06:40
Mathematics, 16.12.2020 06:40
Mathematics, 16.12.2020 06:40
Physics, 16.12.2020 06:40
Mathematics, 16.12.2020 06:40
Spanish, 16.12.2020 06:40
English, 16.12.2020 06:40
Mathematics, 16.12.2020 06:40
Mathematics, 16.12.2020 06:40