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Flauer [41]
3 years ago
8

What is two examples of impermeable rocks

Biology
1 answer:
EastWind [94]3 years ago
5 0
Marble and slate are examples of impermeable rocks.
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Which of the following pairs of base sequences could form a short stretch of a normal double helix of DNA?
11Alexandr11 [23.1K]

Answer:

D) 5'-ATGC-3' with 5'-GCAT-3'

Explanation:

In a double helix DNA, adenine always pairs with thymine and cytosine pairs with guanine. Also, the two strands of a double helix DNA are antiparallel, that is, the 5' end of one strand lies opposite to the 3' end of another strand.

Therefore, a DNA strand with base sequence 5'-ATGC-3' would have a complementary strand 5'-GCAT-3'.

Double stranded DNA: 5'-ATGC-3'                                          

                                      3' TACG 5'

8 0
3 years ago
Explain how does the skeletal system help aid the body when its sick.
makkiz [27]
There are several ways by which a skeletal system <span>help aid the body when its sick. Firstly, it helps in producing red blood cells in the body. It also helps in maintaining the level of calcium in the body. It also produces the stem cells that increases the immunity of the body. I hope that the answer has come to your help.</span>
4 0
3 years ago
What is the cuplike depression of the hip bone into which the head of the femur fits?
Kruka [31]

The cup like structure, in which the femur fits into the hip bone is known as Acetabulum.

the acetabulum is referred to a concave shapoed surface of the pelvis, which have a cup like groove. This groove helps in the binding of the femur head to the hip or the pelvic bone.

The round head of the femur gets fits into this cup shaped structure and forms the hip joint. The acetabulum is formed by the contribution of ischium, ilium and the pubis.

8 0
3 years ago
I am a double-membraned cell organelle. I produce energy, so I am known as the 'power house of the cell'. Who am I?
Reptile [31]

Answer:

You're a mitochondrion!

Explanation:

Don't you read your memes? The mitochondria is the powerhouse of the cell. It's known for synthesizing ATP, which is the body's energy currency! Without mitochondria, we would cease to exist real fast!

6 0
3 years ago
Read 2 more answers
How does an increase in the human population affect ecosystems?
liberstina [14]

Answer:

B, A larger human population has a greater need for natural resources.

Explanation:

Biodiversity means the population of something. But humans are using more resources as the human biodiversity increases.

SOOOOO... as the biodiversity of the human population increases, CAUSES us to use resources.

7 0
3 years ago
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