Answer:
2, 3 and 4 only.
Explanation:
Mutations refer to change in genetic content or alterations of DNA which might be as a result when the DNA is copied or due to environmental factors like Ultraviolet radiation.
Majority of mutations have neither positive or negative effects on organisms the occur and they are called neutral mutations.
An example is silent points mutations which does not alter the amino acids it's encode.
Some Mutations have positive effects and some have negative effects which cause genetic disorder.
Bovine derived enzyme used as a chemical method of hemostasis is thrombin. In addition, thrombin acts on soluble fibrinogen to be transformed into insoluble fibrin constituents and thrombin time refers to the time obligatory for the change of fibrinogen into fibrin.
Answer:
first blank is two, second blank is four
Explanation:
Mitosis results in <u>two</u> genetically identical cells.
Meiosis results in <u>four</u> sex cells.
Cold-blooded animals have a higher rate of secondary productivity because their bodies can preserve energy, especially during the hibernation period. W<span>arm-blooded animals, on the contrary, releases more energy in a cold environment. This makes them hunt for more food to gain sufficient biomass and heat.</span>
Answer:
<h2>
Input; sunlight, water, oxygen.</h2><h2>
Output ; glucose, carbon dioxide. </h2>
Explanation:
1. What plants need to grow are;
sunlight, water, oxygen , proper temperature, nutrients
2. Photosynthesis
; food manufacturing process in plants.
3. output ; glucose, carbon dioxide and many other chemicals
.
4. Some ways through which plants adapt to their environments are;
hard seed coats, chemical defense, thorns and spines
.
5. Plants need space and shelter;
overcrowded areas increase competition for growth limiting
growth factors.
