Biology, 22.07.2020 19:01 lilyella1004

Match each item in the left column with the single most appropriate item in the right column. Each number should be used only once. A. Auxotroph
B. Conjugation
C. Hfr
D. Transduction
E. F'
F. Transformation
G. Competent
1. requires cell-to-cell contact
2. capable of taking up DNA
3. uptake of DNA from external medium
4. requires at least one nutrient for growth
5. F factor that has picked up a piece of the bacterial genome
6. E. coli strain with Ffactor integrated into bacterial genome
7. requires virus

Answers: 3

Show answers

Another question on Biology

Biology, 21.06.2019 19:00

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Answers: 1

Answer

Biology, 21.06.2019 22:40

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

Answers: 1

Answer

Biology, 22.06.2019 01:30

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Answers: 1

Answer

Biology, 22.06.2019 04:50

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Answers: 1

Answer

You know the right answer?

Match each item in the left column with the single most appropriate item in the right column. Each n...

Questions