They are caused because b. the land heats and cools more quickly than the water.
Answer:
Explanation:
A microscope is an instrument which is used to see the objects which are tiny and difficult to observe through naked eye. The microscope magnifies these objects and enlarge their size. It has two lenses that are ocular and objective.
The magnification for 10X ocular lens and the 40X objective lens is expected to produce the total magnification of 400X (10 x 40 = 400).
Answer: B. DNA polymerase checks for errors in base pairing as it helps new DNA strands form.
Explanation: DNA polymerase is an enzyme that catalyzes the synthesis of a new DNA strand from a DNA template. This process is known as replication. During replication, DNA polymerase rejects incorrect bases before the phosphodiester bond is formed because it has a 3' -> 5' exonuclease activity that double checks every nucleotide that is added to the growing strand. This check allows the enzyme to remove a newly added mismatched base pair.
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Answer:
Vì thế sinh vật nhân thực được phân chia thành 3 nhóm chủ yếu là dị dưỡng (Animalia, Fungi, Protozoa) và 2 nhóm chủ yếu là quang hợp, (Plantae, bao gồm cả tảo đỏ, tảo lục và Chromista.
