A (adenine), C (cytosine), G (guanine), and T (thymine) constitute the backbone of the molecule.
<span>The DNA molecule is made up of two polynucleotide strands </span>
Answer:
true
Explanation:
because when you put a negitive with a positive it attrascts but if you put a positive with a positive it will not attract it will repeal
Answer:
The forestry department is using a<u> 1. </u><em><u>chemical method</u></em><u>.</u> This involves using a 2. <em><u>foliar spray</u></em> method, in which department personnel will spray directly on trees' leaves.
Explanation:
- White pine blister is a fungal disease of plant caused by fungus <em>Cronartium ribicola.</em>
- This fungus infects the plant through the stomata of the leaves.
- There are several methods of controlling pests and pathogen in agriculture which include ; mechanical methods; chemical methods and Biological methods.
- Mechanical methods include constructing barriers, electrical fencing etc.
- The biological method include introduction of organisms that will suppress pathogen activity.
- Chemical methods include use of pesticides , that are poisonous chemical substance that will kill the pathogen.
- Here the forestry department decides to spray insecticides thus, they are using a chemical method.
- Secondly they are going to spray the insecticide on each leaf so they have chosen the method of foliar spray and not the cut stump treatment or basal bark method.
When potatoes are in ground, they do not swell with water when it rains. The potato is already filled with water. The potato cannot gather the minerals directly. It is the roots that absorb the nutrients and send it to the potato. The rain water has little effect on the potato. I hope the answer has helped you.
Answer:
I can't speak Spanish sorryy
