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Dafna11 [192]
2 years ago
7

How many sex chromosomes does the normal human female inherit from her mother?

Biology
1 answer:
AveGali [126]2 years ago
4 0

Answer:

A. 1.2

Explanation:

Normally, a human body cell contains 46 chromosomes - 23 inherited from the father and the same number from the mother.

Most of the human DNA, or human genes, are located in the chromosomes.

Each metaphase chromosome consists of:

two sister chromatids containing one DNA molecule each, and since they are formed by replication, these molecules are completely identical in gene content; that is why chromatids are called sister chromatids;  two centromeres, one on each chromatid.

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How does the information stored in DNA'S nucleotides translate into traits such as eye color and ear shape?
Elden [556K]
<span>Traits are determined by proteins that are built according to the instructions stored in the genes.</span>
8 0
3 years ago
Describe the cell membrane, cell wall, nucleus, and cytoplasm. which of these structures are you likely to find in a prokaryotic
Morgarella [4.7K]

Answer:

you can see below

Explanation:

Basic Definitions:

Cell Membrane = the semi-permeable structure that surrounds the cell and keeps all of the cells organelles from exploding everywhere.

Cell Wall = the rigid 'armor' of the cell that surrounds it after the membrane. Usually made up of cellulose and ONLY found in plant cells.

Nucleus = A really dense organelle of the cell usually surrounded by two membranes. They contain and protect your genetic material. Basically everything that makes you, you.

Cytoplasm = The watery, salty, and protein filled 'soup' that fills the cell. All organelles float happily in this.

Now Specific Locations:

Eukaryotic cells

have plasma membranes

please mark me brainliest or mark me thanks at leat

only have cell walls if the cells are plants.

They do have a nucleus.

They have cytoplasm

Prokaryotic cells

have plasma membranes

cell walls are usually chemically complexed.

don't have a nucleus

have cytoplasm

Animal cells

only have the plasma membranes.

No cell wall

have a nucleus

have cytoplasm

Plant cells

have both the cell wall

and have a plasma membrane

have a nucleus

have cytoplasm

4 0
2 years ago
Zoe wants to replace the letters on her diagram with labels that describe how the nerves and muscles communicated with each othe
Jet001 [13]

Hello. This question is incomplete. You forgot to attach the image that completes the question.

The image is attached below:

Answer:

A- Sensory Neuron

B- Spinal cord

C- Effector neuron

D - Brain

Explanation:

  1. Sensory neuron: Its main function is to allow the reception of stimuli that are transformed into nervous impulses and electrical signals, capable of realizing sensations, such as a peliscão, for example. These impulses are transmitted to the spinal cord.
  2. Spinal cord: The main function is to support the body in an upright and vertical position. It also has the function of transmitting electrical signals and nerve impulses between some parts of the body and the brain.
  3. Effector neuron: Its main function is to receive muscle stimuli capable of creating muscle contractions. These neurons are located in the spinal cord.
  4. Brain: the processing center receives all the stimuli sent by the bone marrow. Its main function, in this case, is to produce bodily responses to the stimuli it has received, producing muscle movement.

6 0
3 years ago
Read 2 more answers
What is the process in which two gametes unite
Sergio [31]
Let me help you, 
The process in which two gametes unite is called fertilization. 
Have a good one! 
4 0
3 years ago
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The diagram below shows a ciliated cell from the lining of the airway.
puteri [66]

Answer:

the answer is a. any ciliated cell in lungs catches bacteria & debris from lungs causing cough, difficulty breathing, etc.

can develop into asthma, infection of pleura, and bronchitis...

7 0
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