4 of 5 Select all the true statements about bacteria Bacteria are single-celled organisms Bacteria may produce harmful toxins in the body Bacteria can multiply rapidly without a host Bacteria are the cause of bacterial diseases

## Step 1<br />The first statement is "Bacteria are single-celled organisms". This is true. Bacteria are indeed single-celled organisms, which means they consist of only one cell.<br /><br />## Step 2<br />The second statement is "Bacteria may produce harmful toxins in the body". This is also true. Some bacteria can produce harmful toxins that can cause diseases in the body.<br /><br />## Step 3<br />The third statement is "Bacteria can multiply rapidly without a host". This is true as well. Bacteria can multiply rapidly under the right conditions, even without a host.<br /><br />## Step 4<br />The fourth statement is "Bacteria are the cause of bacterial diseases". This is true. Many diseases, such as strep throat and tuberculosis, are caused by bacteria.