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Gala2k [10]
3 years ago
14

Ill give you 100 points and brainliest

Biology
2 answers:
sashaice [31]3 years ago
7 0

Answer:

I know it is A stating a range of movement possible at each type of joint.

Explanation:

100% sure and please give brainliest

bazaltina [42]3 years ago
3 0

Answer:

my answer got deleted so I'm going to it again I think it's A.

Explanation:

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Which trait would best indicate that a particular arthropod was a member of subphylum chelicerata?
cupoosta [38]

Answer:

Two body segments.

Explanation:

  • The trait that would best indicate that a particular arthropod was a member of subphylum chelicerata is that it possess two body segments instead of three;
  • A fused head and thorax (cephalothorax), and an abdomen (opisthosoma).
  • Their segmented body with jointed limbs is covered in a cuticle made of chitin and proteins.

6 0
3 years ago
Nswer
Lera25 [3.4K]

a. The error rate of DNA replication is 1.0 × 10^-8  per base pair. This is considering that a human has approximately 3 billion base pairs where mutations can occur. However, this mutation is kept low by the proof-reading mechanism of DNA polymerases which are 99% efficient.


b. Given that the human genome is 3.2 × 109 bp, this means that there are on average 0.32 new substitutions every time the complete genome is replicated. In humans, there are about 30 cell generations between zygote and egg cells and about 400 cell divisions between a zygote and mature sperm. Thus, in males, the sperm cells have about 128 new mutations and the haploid egg genome has about 10 new mutations for a total of 138 new mutations in every new zygote.


c. Considering the above-mentioned mutation rates of approximately 1 and 2 mutations per 100 million base pairs between generations, then there will be approximately 130 mutations per generation. This means I will probably have about 130 different nucleotide bases from that of my parents.


<span>d. Siblings at an average of 50%, grandparents at an average of 25%; aunts/ uncles at an average of 25%; and  first cousins at 12.5%.
</span>


<span />

<span>f. You  are approximately different from the other random person by one SNP per 1000 bases. The human genome is about 3 Gbps long and therefore about 3 million SNPs among two random people.</span> With about 20,000 genes each having a coding sequence (exons) about 1.5 kb long (i.e. about 500 amino acids long protein on average), the human coding sequence covers 30 Mbp or about 1 percent of the genome. If SNPs were randomly distributed along the genome that will suggest about 30,000 SNP across the genome coding sequence or just over 1 per gene coding sequence.


g. Humans carry on average one to two mutations that, if inherited from both parents, can cause severe genetic disorders or death before reaching reproductive age. These mutations are what are referred to as recessive alleles of a gene.


<span>h. Mosaicism refers to individuals with genetically distinct cell lines that originated from a single zygote, whereas chimerism refers to those who originated from more than one zygote. Microchimerism  is the co-existence of two genetically different cell populations in one organism, of which one occurs in a very low number. </span>






8 0
3 years ago
How does this show the relationship between photosynthesis and cellular respiration​
Alborosie

Answer:

mark me brainlist

Explanation:

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

.

3 0
3 years ago
In which of mead’s three stages do children not only play roles but also consider several tasks or relationships at the same tim
Ugo [173]

Stage 3. Team Games Stage...

6 0
2 years ago
Cells get energy from minerals like sodium and potassium true or false
yuradex [85]

Answer:

cells can get energy from minerals

Explanation:

True

7 0
3 years ago
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