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puteri [66]
4 years ago
9

About how long does it take for a meal to be completely eliminated from the stomach?​

Biology
1 answer:
andre [41]4 years ago
8 0
About 2 to 3 or 3 to 4 hrs. This can vary depending on the type of food as well your body movement. 
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The karyotype of one species of primate has 48 chromosomes. In a particular female, cell division malfunctions, and she produces
Rom4ik [11]

Answer:

E) Either anaphase I or II

Explanation:

Failure of segregation of homologous chromosomes during anaphase I or failure of segregation of sister chromatids during anaphase II leads to the presence of the abnormal number of chromosomes in resultant gametes. In the given example, the egg mother cell with 48 chromosomes (24 pairs) would enter meiosis I but the failure of one pair of homologous chromosomes to segregate from each other followed by normal meiosis II would result in the formation of two gametes with one extra chromosome and two gametes with one less chromosome.

On the other hand, if the nondisjunction occurs at anaphase II of meiosis II, two normal gametes, one gamete with one extra chromosome and one gamete with one less chromosome will be formed. Therefore, nondisjunction at anaphase I or anaphase II would have resulted in the production of eggs with one extra chromosome.

6 0
3 years ago
A student writes two statements about the importance of soil.
Gnoma [55]
I'm not sure but it might be C
7 0
2 years ago
Which of the following energy transformation occur when humans use energy from food to exercise?
tatuchka [14]

Answer:

D. Chemical - mechanical - thermal

Explanation:

D because the food is chemical and the mechanical is the human excersice, and it results in thermal

7 0
3 years ago
Question 4<br> 3 pts<br> Which of the following shows a reduction of chromosomes by half? (3 points)
astraxan [27]

Question:

Which of the following shows a reduction of chromosomes by half? (3 points)

  • Male gametophyte to flagellated sperm
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Answer:

<h2>Sporophyte to spores</h2>
4 0
3 years ago
How do RNA's subcomponents affect its properties? (3 points) A. Adenine and cytosine bond with thymine and guanine, respectively
frozen [14]

Answer:

B. Base pairing occurs within an RNA molecule to give RNA the three-dimensional shape needed for specific functions.

Explanation:

Ribonucleic acid, known as RNA, is a type of nucleic acid found in living systems. In opposition to the other type of nucleic acid (DNA), RNA is a short single stranded molecule. Both DNA and RNA are made of nucleotides, composed of a phosphate group, nitrogenous bases and a pentose sugar.

The presence of ribose sugar and Uracil base in RNA instead of deoxyribose sugar and thymine base respectively structurally differentiates the molecule from DNA. However, base pairing occurs within the RNA molecule to form the three-dimensional shape of the RNA, which is key to the specificity of its function.

6 0
3 years ago
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