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3 years ago

Which of the following statements is TRUE regarding science?

Biology

1 answer:

Dmitriy789 [7]3 years ago

4 0

Answer:

The answer is A.

Explanation:

Science is led to where it's at based on the evidence that scientists have found so far.

Science can definitely not answer every question in the world. scientists are still trying to figure out so many things and value is just not something that they can answer because that's all up to humans.

I hope this helps you :)

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7. Phytochrome prevents seeds of some plants from germinating when they are in deep shade by the: absorption of far-red waveleng

SIZIF [17.4K]

<h2>Function of Phytochrome </h2>

Explanation:

The color of light that they absorb maximally by the two types such as Pfr is a blue-green structure that ingests far-red light (730 nm) and Pr is a blue structure that retains red light (660 nm)
Pfr assimilates far-red light, it is changed over to the Pr structure
Pfr can spontaneously revert to the Pr form structure in obscurity dark over time = dark reversion Pfr is additionally helpless to proteinases
Pfr contains some red light, so in red light 15% Pr and there is a parity of 85% Pfr.
The phytochrome (Pr) is changed over to the organically dynamic structure red light with the Pfr under illumination
Darkness and Far -red light convert the particle back to the inactive form.

4 0

4 years ago

Using two specific examples, explain how land use may change as technology changes

swat32

Okay we are gonna use A iPhone to a old telephone so the telephone can only receive calls and call other people that it but say with the iPhone you can call the person and receive calls you can text you can video chat you can get emails you can have apps to entertain you you can have pictures and music you can have a ringtone and and text tones

8 0

3 years ago

Read 2 more answers

Cell enlargement and division

Usimov [2.4K]

I don't know what your question is right here..? But cell division is when one cell copies DNA to make an exact copy to which the cell splits resulting in two daughter cells

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3 years ago

Edwin Hubble was an American astronomer who played a crucial role in collecting evidence to support the theory that the universe

Masja [62]

Answer:

Explanation:

These type of questions leave a great deal to be desired. There is no mention of which way Hubble used and manipulated data. He studied the variations in light to determine his conclusions.

Nor is there any mention of what Lomonosov did to come to the conclusion that conservation of mass is a constant.

We don't know what was done to get the results. Hubble was studying the universe; the conclusions made by Lomonosov depended on lab equipment that was very delicate (I'm assuming). I doubt he manipulated variables. He measured what he got.

I think the answer is C, but the question has so many assumptions that it is hard to know what answer to pick.

5 0

3 years ago

Complete the following statements using as many of the following terms as are appropriate: mitosis, meiosis I (first meiotic div

goldenfox [79]

Answer:

a. The spindle apparatus is present in cells undergoing mitosis and meiosis. the spindle is crucial for chromosome sorting.

b. Chromosome replication occurs just prior to mitosis and meiosis I. DNA needs to be copied during S fase to have enough DNA and transfer it to the daughter cells.

c. The cells resulting from mitosis in a haploid cell have a ploidy of n.

Mitosis produces identical cells.

d. The cells resulting from meiosis II in a diploid cell have a ploidy of n. meiosis is the only process that causes chromosome reduction (assuming no errors).

(e). Homologous chromosome pairing regularly occurs during meiosis I. Each daughter cell needs 1 chromosome of each kind

(f). Non-homologous chromosome pairing regularly occurs during none. This is kind of an error.

(g). Physical recombination leading to the production of recombinant progeny classes occurs during Meiosis I

(h). Centromere división occurs during meiosis II and mitosis

(i) Non-sister chromatids are found in the same cell during meiosis II

3 0

4 years ago