Answer:
The purpose of the outer covering of the bird helps keep it warm and to help it fly, whilst the outer cover of the tree is to protect it from bugs.
Explanation:
Answer:
<em>The correct option is A) make food.</em>
Explanation:
Photosynthesis can be described as a process by which organisms like plant and some algae make their own food. They use light energy from the sun to convert carbon dioxide and water into glucose and oxygen. Oxygen is the by- product of this reaction. Hence, option A is correct.
Other options are wrong because photosynthesis is not a process by which energy can be extracted from food or it is not a process by which excretion of waste occurs. Neither is it a process of reproduction.
Answer:
At the end of DNA replication, each copy is identical to each other (option A).
Explanation:
The concept of DNA replication implies that, from an original molecule, two identical molecules are obtained.
DNA replication is based on a semi-conservative model, since the double strand is separated, and each strand serves as a mold for the synthesis of a new strand. <u>At the end of the replication, two identical DNA molecules will be obtained, each consisting of an original strand and a new one</u>.
The best evidence that the replication process results in two identical molecules is that, otherwise, an individual's genetic information could vary, which does not happen.
The other options are not correct because:
<em> B. The copies cannot be different.
</em>
<em> C and D. They are 100% identical, not partially (50 or 90%) similar.</em>
Answer: ATT/GGG/CCC
Explanation: Adenosine (A) pairs with Thymine (T), and Guanine (G) pairs with Cytosine (C)