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3 years ago

I need help I need to identify these images (I'm doing a chromosome worksheet) can someone please help me identifying them?

Biology

1 answer:

adoni [48]3 years ago

7 0

1. molecul of DNA 2. dna packed (coild) around histon h1 3.second stage of dna packing -solenoid thread 4. third stage of packing-chromosomal thread 5.chromosome-chromosomal threads are packed inside

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Which consist of sperm cells and egg cells?

bearhunter [10]

Answer:

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Featured snippet from the web

gamete. Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome.

Explanation:

4 0

3 years ago

Read 2 more answers

B) Write a hypothesis explaining the reason for the difference in bill length among

mrs_skeptik [129]

Answer:

I think that birds have different bill lengths because of their habitats and their diet. Also natural selection and evolution has also played a factor due to the fact that birds have not always looked the way that they do now, for example the Archaeopteryx a bird that lived around the time of the dinosaurs had a shorter and more powerful bill to grind insects and small mammals

Explanation:

6 0

2 years ago

MAVERICK [17]

Answer:

1. Purines

2. States that DNA composition varies among species

3. Hydrogen Bond

4. Purines

Answer to #2 is a little iffy -- sorry

Explanation:

Pyrmidines have two rings

Purines have one ring

Complementary bases are connected by hydrogen bonds.

4 0

3 years ago

A signal molecule in the interstitial fluid binds to a receptor on the cell membrane, triggering an intracellular cascade. Which

Lady bird [3.3K]

<h2>Function of The Cell Membrane</h2>

Explanation:

There are a few unique kinds of this simple development of particles. It could be as basic as atoms moving uninhibitedly, for example, assimilation or dispersion.
Proteins are utilized to help move atoms all the more rapidly. It is a procedure called encouraged dispersion.
It could be as straightforward as acquiring a glucose particle. Since the cell film won't permit glucose to cross by dispersion.
The cells are in a zone where there is a huge focus contrast. For instance, oxygen particle focuses could be exceptionally high outside of the cell and extremely low inside.
Those oxygen particles are little to such an extent that they can cross the lipid bilayer and enter the cell.
This is a water explicit procedure. For the most part, cells are in a domain where there is one convergence of particles outside and one inside.
Since focuses like to be the equivalent, the cell can siphon particles in an out to remain alive. Assimilation is the development of water over the layer

5 0

3 years ago

Which of the following is true of skeletal muscles?

Bingel [31]

The answer is:
C) Skeletal muscles are an example of voluntary muscle

Hope this helps.

6 0

3 years ago