Please mark brainliest
Answer
The answer for first fill in the blank is “ positive”
The answer for second fill in the blank is negative
Answer:
Resistance
Explanation:
Once a bacteria gains resistance to an antibiotic, we will have to find another antibiotic to use.
Answer:
D) An original parent DNA strand and one newly synthesized DNA strand comprising a new DNA molecule.
Explanation:
- Semi-conservative replication refers to two strands of DNA unzip, and a new strand is assembled onto each 'conserved' strand.
- The replicated double helix consists of one old strand and one newly synthesised strand.
- It describes the structure of DNA, a twisted helix of two strands with bases joining the strands.
Because they don't have a or any cells and have no DNA
B. Ecosystem. The lake contains other species and is a complex interconnected system.