Ten different types of culture media were inoculated with the same strain of bacteria and incubated at the same temperature. Nine of the cultures grew, the conclusions that can be drawn from this information is that one of the media lacked the nutrients needed for the bacteria to grow. The other answer choices could not logically be the answer. The correct answer is A.
Answer:
See leaf structure in the Roots, Stems, and Leaves text supplement.) In most ferns, the stem grows underground. Underground stems are called rhizomes. Like all stems, fern stems have a pith surrounded by a ring of vascular bundles each with xylem and phloem, a cortex, and an epidermis that is covered by a cuticle
Answer:
The correct answer is B. It is false that the injection of the live rough bacteria into the mouse is a control because it was used as a standard of comparison for other experimental setups.
Explanation:
The experiment conducted by Frederick Griffith in 1928 was one of the first experiments to show that bacteria could transfer genetic information.
Griffith used two slightly different pneumococcal strains in his experiment. One of them was harmless to the mice, while the other was not. Using each strain separately, the logical thing happened: the mice died with the fatal strain, and nothing happened with the harmless.
Then, Griffith killed the deadly strain, and mixed both strains, introducing them into the mice. After this, the mice died, which allowed us to verify that the bacteria can transfer genetic material even after dying, through the transformation process.
Answer: Fungus
Explanation:
Fungi are microorgnaims characterized by the cell walls which is made of the substances known as chitin.
Most of the fungi are harmless and some of them are edible. Other fungi are infectious and can cause many fungal infections in the skin, lungs and nails of the organism.
It also causes itching, scaling and cracking of skin. Thrush is the condition which is caused by fungus Candila albicans which can infect the vagina, mouth and urinary tract.