Answer:
<h2>Helicase, topoisomerase ii /gyrase, single strand binding proteins.</h2>
Explanation:
DNA replication is the process in which DNA is replicated with the help of various enzymes and proteins..
Helicase is the enzyme which unwind the DNA strands, After unwinding, topoisomerase removes these twists. Single strand binding proteins stabilize the single strands of DNA during replication.
Answer:
The correct answer is - 1. true, 2. true, 3. false, and 4. true.
Explanation:
1. Rod cells are the photoreceptors present in the retina that are hyperpolarized not depolarized in dark due to sodium ions efflux.
2. Depolarisation of the bipolar cell of the retina by glutamate release by rods and cones.
3. The adaption according to the light is known as a light adaptation which takes place due to a large part of photochemical in both rods and cones which is reduced to retinal and opsins.
4. when the light reaction takes place retinal converted to opsin
Answer:
Basophils of the blood help to get defensive leukocytes to the site quickly by releasing an anticoagulant called ___heparin_______ and a vasodilator called _____histamine_____
Explanation:
Basophils are a type of white blood cell containing specific granules that release histamine (vasodilator) and heparin (a substance with anticoagulant action) and azurophilic granules that contain lysosomes. They are important in allergic and anaphylactic processes.
The given statement saying it is proper to put away the knives and the cups in the drawers after towel drying them is false. Towel drying them will make them susceptible to the bacteria. It is better that the utensils should be air-dried. The towel may contain a lot of the microorganisms. They cling to the moist and get transferred to the utensils when the towel is used to dry those dishes.
Hence, the answer is 'false'.
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