What is true about the

sperm cells of

flowering plants?

1. They are called

pollen grains.

2. They are inside

pollen grains.

3. They are inside the

seed.

Why do you think it is advantageous for a cellular slime mold to form a fruiting body when food is scarce?

In all plant and animal cells, the nucleus contains long molecules of DNA. Which of the following best describes the function of DNA? A DNA provides the shape and structure of the nucleus. B DNA packages materials for transport through the nucleus.

A scientist wants to examine a genetic disease in humans. The scientist hypothesizes that the disease can be treated by using gene therapy.

What can affect the properties of substance? A. Neither the arrangement nor the types of atoms B. Only the types of atoms C. Only the arrangement of atoms D. The arrangement and types of atoms

Life cycle of a star worksheet section 6

What large peninsula is linked to the mainland of greece by the isthmus of corinth?

What is greek mitology

One of the first breakthroughs in biotechnology was the discovery of the gene that makes insulin. Part of this process involved scientists making DNA to match each possible sequence of insulin mRNA. What was the next step of this process? A.

If mollusks evolved before arthropods, where will their fossils be found?

Over time, a river cut through a field where some mice lived and some birds were nesting. Tell over time why the mice developed into 2 different species, but the birds did not