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2 years ago

Which is an example of circadian rhythm in plants?

Biology

2 answers:

umka21 [38]2 years ago

8 0

A the flowering of the four oclock plant at the same time

yKpoI14uk [10]2 years ago

4 0

Answer:

A. the flowering of the four o’clock plant at the same time every day

Explanation:

Circadian rhythm can be defined as a rhythm or pattern that occurs in biological processes as well as in living organisms such as plants and animals.

The Circadian rhythm is a pattern or rhythm that occurs for the period of 24 hours.

The Circadian rhythm can be affected and regulated by the presence of external stimuli such as sunlight . It can also be affected by temperature and this is because biological organisms can thrive at different and very broad ranges of temperature.

The functions of the circadian rhythm in living organisms include:

a. It is involved in the sleeping and eating pattern found in human beings

b. It is involved in the flowering pattern that is observed in plants.

c. It is also involved in the movement of plant leaves as well as photosynthesis.

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The lac operon in E.coli regulates genes that code for enzymes required for breakdown of lactose. The lac operon is____ operon t

user100 [1]

Ans.

Lac (lactose) operon in a type of bacterial operon, which shows a cluster of genes that are regulated by a single promoter. It is composed of an operator, promoter, a terminator, and three structural genes (lacA, lacY, and lacZ), which are responsible for the transport and breakdown of lactose.

The lac operon is an inducible operon as it gets activated in the presence of lactose and expressed its functional genes in the form of proteins (or enzymes) for lactose metabolism.

Thus, the correct answer to be fill in first blank is 'inducible' and in second blank is 'lactose.'

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3 years ago

Read 2 more answers

Which of the following is not an example of organic matter?

SIZIF [17.4K]

Answer:

Bagged Fertilizers

Explanation:

A dead animal will decompose, along w/ coffee bean shells and seaweed. Fertilizers, which are made of chemicals, can not. Another way to think about it is u can eat anything but the fertilizers :-)

7 0

3 years ago

Which term best describes energy transfer between tropical levels?

sertanlavr [38]

Answer:

Explanation:

Energy decreases as it moves up the levels.

6 0

3 years ago

The ploidy of daughter cells as a result of meiosis is different than that of the parental cell. Briefly explain what this state

leva [86]

When we talk about meiosis I and II we talk about gametes formation.

The objective is to create cells with half DNA charge, called haploids.

At the meiosis I, in prophase I, crossing over happens and anaphase separated homologous chromosomes.

In the end, you still have cells with all DNA charges (2n).

To start meiosis II cells does not duplicate its DNA. When anaphase II happens sister chromatids split, and you end with half DNA charge cells. Haploids or (n).

8 0

3 years ago

Factoring a death rate from natural causes and predation, the beetle population increases approximately 5% each year. Use the Ta

Alekssandra [29.7K]

The estimated population for each year will be:

11500

12075

12679

13313

13979

14678

<h3>How to calculate the population?</h3>

Given an estimated beetle population of 11,500, of which it is estimated to increase approximately by 5% each year, we can calculate the estimated population for each year as follows:

Year Calculation Est. Population

1st yr (current yr) 11,500

2nd yr 11,500*105% 12,075

3rd yr 12,075*105% 12,679

4th yr 12,679*105% 13,313

5th yr 13,313*105% 13,979

6th yr 13,979*105% 14,678

The above is how the table that shows the estimated population for each year.

Learn more about population on:

brainly.com/question/25630111

#SPJ1

6 0

1 year ago