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Taya2010 [7]
3 years ago
8

brainly!!! can someone help me turn this into an if then statement for my lab??? i am really stuck and can include more info abo

ut the lab if needed. statement- i think the unknown skull looks most like Australopithecus afarensis (extinct hominid) because of how long the skull is and the skinny shape/cheekbones thanks!
Biology
1 answer:
yaroslaw [1]3 years ago
4 0
If the shape of this unknown skull is long and skinny at the cheekbones, then it is most likely an Australopithecus afarensis one
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During endocytosis the plasma membrane folds inwards either through phagocytosis for solits or pinocytosis for liquids.

During exocytosis vesicles for the inside of the cell fuse with the membrane and are released outside of the cell.

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Which of the following statement(s) is/are true regarding the adrenal glands' relationship with the autonomic nervous system?
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Answer:

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c. The adrenal glands are strictly nerve tissue.

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e. The adrenal medulla is penetrated by the fibers of the sympathetic nervous system.

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The  levels of the central nervous system which play important roles in influencing the autonomic nervous system include cerebral cortex, hypothalamus, brain stem, and spinal cord.  Usually, epinephrine (adrenaline) and norepinephrine are released into the blood stem when stress or a threat occurs.  This alert serves as a warning signal and defense system.  The purpose is to maintain homeostasis.

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Help please! DNA Assignment
vovangra [49]

Answer:

DNA Replication:

Replicate the following strand of DNA:

Original DNA: A T G A A C CA T T C A G T A T G G

Complementary DNA:

Remember that the complimentary base pairs in DNA are Adenine-Thymine and Guanine-Cytosine, or A-T and G-C. This means that if the original sequence is:

A T G A A C C A T T C A G T A T G G

Then the compliment is (replace with the opposite base pairs):

T A C T T G G T A A G T C A T A C C

Transcription:

Transcribe the DNA to make an mRNA molecule

COMPLIMENTARY DNA:

mRNA Molecule:

So if our complimentary DNA (antisense stand) is T A C T T G G T A A G T C A T A C C then to transcribe, we basically create another complimentary strand, but for mRNA, we use Uracil instead of Thymine:

A U G A A C C A U U C A G U A U G G  

Translation:

Translate the mRNA into the corresponding amino acids.

mRNA MOLECULE:

AMINO ACID:

Using the DNA sequence provided, determine the amino acids.

Next, take each codon (3-base set) to the table and record the corresponding protein:

A U G = Methionine (start)

A A C = Asparagine

C A U = Histidine

U C A = Serine

G U A = Valine

U G G = Tryptophan

ORIGINAL DNA: A T G G G T C T A G C G A A A G A T

Complementary DNA:

mRNA DNA Molecule:

Amino Acid:

And we do it all again:

A T G G G T C T A G C G A A A G A T = original DNA

T A C C C A G A T C G C T T T C T A = complementry DNA

A U G G G U C U A G C G A A A G A U = mRNA

A U G = Methionine (start)

G G U = Glysine

C U A = Leucine

G C G = Alanine

A A A = Lysine

G A U = Aspartate

Explanation:

4 0
3 years ago
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