Hi This is also part of my question so please answer this because I need help with it!

Biology

1 answer:

stira [4]2 years ago

5 0

Answer:

1. = Mars

2. I'm pretty sure that it is 20 degrees since the lower angle you go, the less intense the sunlight is.

Explanation:

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DNA wrapped around histone proteins forms a material called ____ which condenses tightly to form _____ that can be seen with a l

makkiz [27]

Answer:

The correct answer will be-

1. Nucleosomes

2. Chromatin

3. Sister chroamtid

4. Centromere

Explanation:

The DNA is a very long molecule which if has to be passed on to the daughter cell as it is will cause problems. So, to reduce problems a cell form tightly packed structure of DNA so that they can be passed easily to the daughter cell.

The packaging of DNA begins with the wrapping of the DNA around histone proteins which forms the 11 nm basic structural units called nucleosomes. The nucleosomes start condensing each other and form 30 nm structure chromatin fibres.

The chromatin fibres undergo replication during S phase which produces an exact copy of the chromatin called sister chromatids bound to each other at a central point called centromere which helps the separation of the chromatids during M phase.

5 0

3 years ago

A commercial advertising a diet pill says it is scientifically proven to help you lose weight. It is recommended by a doctor who

lisov135 [29]

Answer:

No it hasn't been recommended by a doctor.

Explanation:

This is considered pseudoscience because there is no proof that it has been scientifically proven.

6 0

2 years ago

Read 2 more answers

Study this image of space. A cloud of gas and dust. What object is shown in this image? a nebula a red giant a supernova a neutr

zubka84 [21]

Answer: The image to be studied is missing from the question,so I attached it to my answer,please click on the attachment provided to view the image being studied.

The correct answer to the question is option A.

NEBULA

The object shown in the image is known as a nebula.

Explanation: A nebula is found in interstellar space,it has a form of a giant cloud of dust. When some stars goes into dying process,they explode throwing out gas and dust which forms a nebula.(a supernova remnants nebulae).

Some nebulae(singular form of nebula) are also found where new stars are being formed.

Nebula are the basic building blocks of the universe,they are made up 90% hydrogen,10% helium and other heavier elements in trace amounts from which stars and other solar systems are made.

Nebula exist in 5 distinct types namely;

Emission nebulae, Reflection nebulae,Dark nebulae, Planetary Nebulae and supernova remnants Nebulae.