An e.coli cell without a functional laci gene is expected to always produce B-galactosidase. i found the answer to this question on a set of quizlet flash cards. i have provided the link below in case you would want to look at the flash cards for reference.
https://quizlet.com/62335789/genetics-important-concepts-flash-cards/
Answer: As each cell differentiates, the <em>DNA </em>changes so that each type of cell has different <em>DNA</em> once it reaches maturity. Mutations in the cells’ nuclei lead to new combinations of <em>DNA</em>, resulting in different shapes and functions in the different types of cells.
Hope this helps!
Answer:
Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide. Or, place carbon dioxide gas in limewater, and if it turns milky and gets chunks, it is carbon dioxide.
Answer: Here's 4 so you can choose
How many stars are in space?
How far away from Earth are certain stars?
Are there other planets like Earth?
Could a large meteor ever strike Earth
Explanation:
<span>1. Cytoplasm. Cytoplasm is where its organelles are suspended.</span>
<span>2. Ribosomes. These ribosomes facilitate in manufacturing the cell’s proteins used in many cellular activities.</span>
<span><span>3. </span>Plasmid. It is a tiny DNA molecule.</span>
<span>4. Nucleoid. The genophore of a prokaryotic cell where its genetical material are found.</span>
Prokaryotic cells have: <span><span>1. </span>Capsules.</span>
<span><span>2. </span>Flagellum. A tail</span>
<span><span>3. </span>Pili, a hair-like structure on its surface.</span>
