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Aloiza [94]
2 years ago
6

7. Gene expression may be regulated:

Biology
1 answer:
Gekata [30.6K]2 years ago
8 0

Answer:

Omg questions are sooo long

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4) Explain the term "endoskeleton". 5) What is an exoskeleton?​
Elena-2011 [213]

Answer:

Below

Explanation:

4) An endoskeleton is an internal skeleton made out of mineralized tissue that is attached to muscles as well as enabling movement.

5) An exoskeleton is the external skeleton that supports and protects an animal's body. As an example, a snail's shell is an exoskeleton

Hope this helps :)

5 0
2 years ago
The cell cycle describes the process by which cells divide. Which of the following best describes the processes that occur durin
podryga [215]

Answer:

1

Explanation:

Cell division involves splitting the parent cell into two identical daughter cells

8 0
3 years ago
how does the presence of white flowers cahnge from the parent generation to first generation of offspring to the second genratio
UNO [17]

Answer:

P generation:  1 purple flower (AA)  :  1 white flower (aa)

F1 generation:  4 purple flowers (Aa)  :  0 white flowers

F2 generation:  3 purple flowers (AA, Aa)  :  1 white flower

Explanation:

Assuming the parents are AA and aa, the allele for white flowers is recessive, so there needs to be two of them for the trait to be expressed.  Thus, the capital A purple allele that the other parent contributes will mask that white allele and all the flowers will appear purple.  However, all of the offspring are Aa now, so when they are crossed, there's a 25% chance that they'll both contribute the lowercase a allele that codes for white flowers.  Remember that if both of them give the lowercase a allele then the offspring will be aa and appear white.

8 0
2 years ago
PLZ HELP SO I CAN GO TO BED!!!
Marianna [84]

Answer:

A low cold front transitioning to a high warm front.

Explanation:

The spikes that are going down is a cold front and the semi-circles are a warm front so its transitioning from small to large because L is low and then it raises. You're welcome.

3 0
3 years ago
Read 2 more answers
List 2 examples of a human's first line of defense:
Verizon [17]

Answer:

The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.

5 0
3 years ago
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