Answer:
A. A prokaryote lacks a well-defined nucleus.
C. A prokaryote lacks cell organelles.
Explanation:
A prokaryote has DNA or RNA just floating in the cytoplasm. There is no nucleus to hold them inside. A prokaryote also lacks a mitochondria and other organelles, so it is different from a eukaryote.
Complex sugars are called polysaccharides. The correct answer is C. The Latin prefix poly- means many, so the entire name of this saccharide means that there are many atoms of sugar in it, which makes it a complex sugar. Di- in disaccharide means 2, and mono- in monosaccharide means 1, neither of which is complex.
Answer:
The old defintion of "ejaculation" is "something said quickly and suddenly."
Explanation:
The above statement is true.
Heme iron is found only in meat, poultry, seafood, and fish, so heme iron is the type of iron that comes from animal proteins in our diet. While the non-heme iron, by contrast, is found in plant based foods like grains, beans, vegetables, fruits, nuts, and seeds. However, it is also found in animal products such as eggs or milk/dairy and it also comprises more than half the iron contained in animal meat.
Answer:
Answers are below.
Explanation:
Advantages:
1. Could reduce the need for pesticides.
2. It may improve the nutrient composition and quality of food.
3. Might be able to resist pests and diseases.
4. Could find cures and medicine.
5. Artificially implanting DNA from one species to another can save many, many years of research.
Disadvantages.
1. The testing often involves performing experiments upon animals, which some people feel is a breach of animal rights.
2. Genetically Modified Organisms could affect those with allergies in many ways.
3. It could spread undesirable diseases or start an epidemic.
4. Often GMO products are not clearly labelled, meaning people do not have the choice to decide whether or not they wish to consume GMO products.
5. Transgenic modification produces organism types which would never occur naturally, making them highly unpredictable.
