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dusya [7]
3 years ago
11

A bacteria replicates every 30 minutes. How many bacteria are present after 4 hours?

Biology
1 answer:
victus00 [196]3 years ago
6 0

Answer: 8 bacteria would be present after four hours.

Explanation:

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1. Annual plants continue to grow indefinitely after flowering. True / False.
snow_tiger [21]

Answer:

1. false

2. true

3. true

Explanation:

1. Annuals are the plants that complete their life cycle in one season or one year. These are the herbaceous plants that grow, flower and die in one season. Examples of annuals are geranium, marigold, etc.  

2. In a flower, the whorl of petals is called corolla while the whorl of the sepal is known as calyx. In flowers, calyx and corolla together make perianth. The calyx is outer to corolla in a perianth.  

3. The fruit is a matured and ripened ovary that provides protection to the seeds present in it. Fruits are formed after fertilization and may contain one or more seeds. Tomatoes are the simple berry fruits while cucumber is pepo, the modified berries. Broccoli is the flower head while celery is the edible leaf.  

4 0
4 years ago
On-center cells: A. are excited by light that falls in the periphery of their receptive field. B. are excited by light that fall
Elena L [17]

Answer: B) are excited by light that falls in the center of their receptive field.

Explanation:

There are two types of bipolar cells present in the retina which are differentiated on the way the centres of their receptive fields respond to light. The names of bipolar cells are ON-centre and OFF-centre.

If a light fall at the centre of the receptive field of a bipolar cell, it will experience an exciting effect on that cell, resulting in it being depolarized, it is an ON-center cell.

Hence, the correct option is B.

6 0
3 years ago
Alice goes to see a rerun of jaws (a movie about a vicious shark) a few days before she travels to florida for spring break. whi
astraxan [27]
The answer is priming

Priming a fear is a process that makes a person associate a condition with fear. In this case, the movie about shark attack is the cause. Alice fears the shark attack and the movie associate ocean with the shark attack. The result of the priming is Alice feeling fear in the ocean.
7 0
3 years ago
What is a plant called that flowers when nights are longer than days?
Marina86 [1]
One of the plants in this grouping are chrysanthemums.
8 0
3 years ago
Focus your answer on what causes a genetic disorder (be specific) and what happens from there. Use the terms below in your answe
grigory [225]

Answer: ummmmmmmmmmmmmm someone plz help i didn't learn this

Explanation: bad werewolf

5 0
3 years ago
Read 2 more answers
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