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PtichkaEL [24]
3 years ago
8

What are two features all echinoderms have?

Biology
1 answer:
12345 [234]3 years ago
7 0
The have tube feet and and they have no organs or eyes
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Which RNA base pairs with the adenine in DNA?
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adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).


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True or false: The parachute on a dandelion seed makes it easily transported by animals.
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False

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The parachute on a dandelion makes it easily transportable by AIR.

The parachute helps in creating air resistance, and helps the dandelion to glide through the air. The presence of the parachute also plays an important role in the dispersion of its seeds.

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Identify 3 major similarities and differences between prokaryotic and eukaryotic cells
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Differences: cell arrangement, true membrane bound nucleus, DNA structure, membrane bound organelles, ribosome size, cytoskeleton, sexual reproduction, cell division
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3 years ago
Which of the following statements describes the central dogma of molecular biology?
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<span>Q1. The answer is A.Biological information in a cell passes from DNAto RNA to proteins. The biological information is the part of DNA. During transcription, DNA is transcribed into RNA which now serves as a template for the synthesis of proteins. Thus, the central dogma of molecular biology describes how biological information in a cell passes from DNA to RNA to proteins.
     
Q2. The answer is D. 46. In a human diploid somatic cell (2n), there are 23 chromosomes present in two copies - 22 pairs of autosomes and 1 pair of sex chromosomes. So, in a normal human karyotype there will be in total 46 chromosomes (23 pairs in 2 copies: 23 × 2 = 46).
   
Q3. The answer is A. inbreeding. Inbreeding is a breed from closely related organisms. Inbreeding causes a decrease of genetic variation by increasing homozygosity. This way, it can cause the genetic defect by bringing two recessive alleles together.</span>
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3 years ago
Which of the following is a part of an ATP
erastova [34]

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its going to be D . 3 phosphate groups

Explanation:

4 0
2 years ago
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