Answer:
B) Tissue is made of different types of cells.
D) Organs are made of different types of tissue.
Explanation:
The tissues are made of different types of cells. The organs are also made of different types of tissue. There is no need of same types of tissues to make organs. Thus, option (B) and (D) is correct answer.
Answer:
I believe that the answer is C.
Hope this helps!
Answer:
Step 1. A carboxyl group is removed from pyruvate, releasing a molecule of carbon dioxide into the surrounding medium. (Note: carbon dioxide is one carbon attached to two oxygen atoms and is one of the major end products of cellular respiration. ) The result of this step is a two-carbon hydroxyethyl group bound to the enzyme pyruvate dehydrogenase; the lost carbon dioxide is the first of the six carbons from the original glucose molecule to be removed. This step proceeds twice for every molecule of glucose metabolized (remember: there are two pyruvate molecules produced at the end of glycolysis); thus, two of the six carbons will have been removed at the end of both of these steps.
Step 2. The hydroxyethyl group is oxidized to an acetyl group, and the electrons are picked up by NAD+, forming NADH (the reduced form of NAD+). The high- energy electrons from NADH will be used later by the cell to generate ATP for energy.
Step 3. The enzyme-bound acetyl group is transferred to CoA, producing a molecule of acetyl CoA. This molecule of acetyl CoA is then further converted to be used in the next pathway of metabolism, the citric acid cycle.
"The reduction in the number of chromosomes to half the normal count occurs during meiosis."
Meiosis is a type of cell division that results in the production of four gamete cells. To develop egg and sperm cells for sexual reproduction, this process is necessary. This division occurs in sexually reproducing organisms.
During meiosis, four haploid cells with one copy of each chromosome are produced after two rounds of division. The genetic material from the maternal and paternal copies of each chromosome is combined to produce new combinations. Following this, during fertilization, the haploid cells (made by a male and a female) fuse to form a cell with two copies of each chromosome, referred to as a zygote.
To learn more about meiosis and chromosomes here,
brainly.com/question/22500583
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