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Ludmilka [50]
2 years ago
15

Select the correct answer. Which characteristic of life distinguishes a fire and a flowering plant? A. use of energy B. movement

C. growth D. defined boundary
Biology
1 answer:
KonstantinChe [14]2 years ago
7 0

Answer: A

Explanation: the use of energy is a characteristic that distinguishes a fire from a flowering plant.

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A fish has a head 9 inches long. the tail is equal to the size of the head plus one half the size of the body. the body is the s
Katena32 [7]

So let’s substitute that into the third equation and solve for B. B = H + T B = 9 + (9 + 1/2B) B = 18 + 1/2B Then subtract 1/2B from both sides: 1/2B = 18 Multiply both sides by two: B = 36 Now we know the value of B and the value of H. Substitute this back into the second equation and solve for T. T = H + 1/2B T = 9 + (1/2)36 T = 9 + 18 = 27 Step 4: Plug all values of H, T, and B into the final equation. Total length of fish = H + T + B Total length of fish = 9 +27 + 36 = 72.

4 0
2 years ago
In the male reproductive system, the pituitary hormone _____ stimulates Leydig cells to secrete testosterone, and the pituitary
Katena32 [7]

Answer:

<u>Luteinizing hormone </u>(LH) stimulates Leydig cells to secrete testosterone

<u>Follicle stimulating hormone (FSH)</u> stimulates Sertoli cells to secrete protein and other molecules required for spermatogenesis

Explanation:

Under the influence of gonadotropin-releasing hormone, the anterior pituitary releases luteinizing hormone (LH) and follicle-stimulating hormone (FSH). In males, LH stimulates interstitial cells of testes (Leydig cell) to secrete the hormone testosterone. FSH acts indirectly to stimulate spermatogenesis by causing the release of androgen-binding protein (ABP) from the Sertoli cells. The function of ABP is to maintain the higher concentrations of testosterone to stimulate the final steps of spermatogenesis in the seminiferous tubules.

6 0
2 years ago
The following DNA is being replicated and the origin of replication is in the middle of the sequence and marked with three stars
xxTIMURxx [149]

Answer:

5'GATCGTAA3'

5'ATTCTAGA3'

Explanation:

As requested in the question above, the primers were presented with 8 nucleotides, with the nitrogenous bases of the DNA, and in the 5'-3 'direction.

Primers are small fragments of DNA that are used by DNA polymerase to form new strands. The primes attach to pieces on the ribbon, through the complementarity of the nitrogenous bases, serving as a template for the DNA polymerase to create the new ribbon.

DNA polymerase uses primers at the origin of replication, and can follow the path from the right or from the left, depending on the primers used, for this reason, this question has two answers.

8 0
2 years ago
Is a prosthetic group present in several components of the electron transport chain?
jarptica [38.1K]

The answer is true. The prosthetic group is present in several components of the electron transport chain. The complexes one, two and three can have a presence of prosthetic group in which is being referred to as the iron sulfur clusters.

5 0
2 years ago
Black widow spiders are considered the most venomous spiders in North America. They are roughly 1.5 inches long. Black widows ha
Zolol [24]

The black widow spider is an invertebrate. Its skeleton system hangs outside its body. The only difference between a vertebrate and invertebrate is the presence of backbone or a similar kind of structure with in the body. In case of black widow spider, the internal structural element is missing.  Its skeleton system can be classified as exoskeleton.  

 

7 0
2 years ago
Read 2 more answers
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