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MArishka [77]
3 years ago
9

Marsupials, such as kangaroos and koala bears, are mammals. Humans are mammals, too. However, there are differences between mars

upials and humans. For instance, the average baby human is born after spending 38-40 weeks inside of its mother, but baby marsupials are born after only 4-5 weeks. What feature does a marsupial possess that allows babies to be born earlier? A. an egg sac B. a pouch C. fur D. a uterus
Biology
2 answers:
belka [17]3 years ago
3 0
I think the answer is

B. Pouch
Maurinko [17]3 years ago
3 0

Answer:

THE ANSWER IS B POUCH

Explanation:

STUDY ISLAND

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explain how a change in the sequence of nucleotide in a strand of DNA might cause a protein to malfunction
Diano4ka-milaya [45]

Answer: Proteins are made using DNA as a template. The DNA is turned into RNA, and the RNA is then turned into DNA. 

A change in these nucleotides could end up making some part of the protein different. A single nucleotide change could be silent (no change in the protein) or could change a single amino acid (amino acids are the building blocks of proteins). If that was an important amino acid, the protein might not function at all! A silent change can occur because the same set of nucleotides sometimes makes the same final amino acid (for example, reading "gcc" "gca" "gcg" or "gct" nucleotides all mean "alanine" amino acid). 

The deletion of a single nucleotide, or the addition of one, can change the entire sequence of amino acids that come after it! Nucleotides are read in sets of three, so this throws off how the DNA is read. If would be like turning "The brown fox jumps over the dog" into "The gbrow nfo xjump sove rth edo g". Completely different! All of the words are thrown off.

I know it is long but I hope it helped

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7 0
3 years ago
In a flowering plant, blue flower (B) trait is dominant to white flower (b) trait. A true-breeding blue flower plant (BB) is cro
scoundrel [369]

Answer: D. 100%

Explanation:

One parent is with is a true breeding blue flowering plants this means the two alleles of the genotype are homozygous dominant alleles (BB).

The other parent is a true breeding with flowering plant, this means the two alleles of the genotype are homozygous recessive alleles (BB).

When both parents are crossed, the possible genotype outcome is

B B  *  b b

Bb Bb Bb Bb

Therefore since the blue flowering plant allele (B) is dominant to the white flowering plant allele (b) the probability of an offspring outcome to be a blue flowering plant is 4/4 which is 100%.44

Answer is 100%

3 0
3 years ago
Read 2 more answers
Which change of state is shown in the model?
matrenka [14]
<h2>Hey there! </h2>

<h2>The correct option is:</h2>

<h3>B. Evaporation </h3>

<h2>Explanation:</h2>

<h3>Because the molecules inside the jar are moving upwards, which shows Evaporation. </h3>

<h2>Hope it help you </h2>
5 0
2 years ago
How many pair of human chromosomes are present
sveticcg [70]

Answer:

46

Explanation:

3 0
3 years ago
Messenger RNA: is found only in the cytoplasm. is the most abundant form of RNA. in all cells is initially formed as a large pre
eimsori [14]
<h2>Messenger RNA</h2>

Explanation:

  • Messenger RNA (mRNA) is a solitary stranded RNA atom that relates to the hereditary arrangement of a quality and is read  by the ribosome during the time spent creating a protein
  • The three most significant strides of pre-mRNA processing are the expansion of settling and <em>signaling factors at the 5′ and 3′  ends of the molecule,</em> and the expulsion of mediating arrangements that don't indicate the <em>proper amino acids. </em>the mRNA <em>transcript can be “edited”</em>  after it is transcribed.
  • During transcription the RNA polymerase read the layout DNA strand the <em>3′→5′ way, however the mRNA is shaped in the 5′ to 3′  direction. </em>
  • The essential capacity of mRNA is to go about as a intermediary between the <em>hereditary data in DNA</em> and the amino acid sequence of proteins.
3 0
3 years ago
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