Which of statements is/are true for sexual reproduction in plants?

1. plants are obtained from seeds

2. two plants are always essential

3. only insects are agents of pollination

4. Fertilization can occur only after pollination

In the article you read, the number of cases of paralytic polio went from about 2,500 per year in the 1950s to complete eradication in the Americas by 1994. Explain how the use of cell technology makes disease eradication possible.

What is the first thing that happens when a new cell is produced

Which of the following muscles act (s) to increase the size of the thoracic cavity during inhalation? 1. diaphragm 2. external intercostals 3. internal intercostals

What is a distinguishing characteristic of a saturated fatty acid? A. Its carbon atoms have some double bonds between them. B. Its molecule has the minimum number of hydrogen atoms. C. Its carbon atoms have no double bonds between them. D.

Branching coral would survive well on the fore reef. true or false ... ?

What do glucose, starch, and cellulose have in common?

Why are daughter cells produced by meiosis genetically different from each other, whereas the daughter cells produced by mitosis are not.

The nurse is teaching a client about foods containing tyramine which should be avoided while taking a monoamine oxidase inhibitor (maoi). which meal selection, if chosen by the client, indicates successful teaching

Which characteristic property allows multicellular algae, like red, green, and brown algae, to make the maximum use of sunlight?

Which of these is not true of living cells