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egoroff_w [7]
1 year ago
10

Caicium Absorption A variety of factors can inhibit or enhance calcium absorption. Indicate whether each situation increases or

decreases calcium absorption by dragging it to the appropriate column Infancy Eating vitamin D-enriched foods n spinach Being over 70 years old Having a high-fiber diet rich in phytic acid Increases calcium absorption Decreases calcium absorption Eating vitamin D-enriched foods
Biology
1 answer:
Irina18 [472]1 year ago
4 0

Eating Vitamin D enriched foods,  Infancy , pregnancy increases calcium absorption.

Oxalic acid in spinach, Having a high fiber diet rich in phytic acid, being over 70 years old can decrease calcium absorption.

Why is Calcium absorption important?

It's crucial to have enough calcium in the blood that carries nutrients to the bones in order to avoid the loss of bone mass. Although milk and other dairy products are a great source of calcium, as we become older, our bodies require more calcium. Because many people stop consuming calcium-rich foods or beverages, like whole milk, due to dietary concerns, a calcium-rich dietary supplement is crucial. A daily calcium requirement of 1,200 mg is necessary for older persons.

To know more about calcium, click here

brainly.com/question/26636816

#SPJ4

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DNA replication of chromosomal DNA in a cell requires all of the following, EXCEPT A) DNA polymerase B) primase C) helicase D) R
Viktor [21]

Answer:

The correct answer is D)RNA polymerase

Explanation:

In DNA replication many enzymes and proteins are required to replicate a DNA template. For initiation of DNA synthesis the two DNA strands must be separated which is done by helicase.

Then primase adds short nucleotide sequence and initiate DNA replication. After that DNA polymerase acts and adds nucleotide at the 3' end of growing  DNA strand. Ligase is the enzyme that joins the two Okazaki fragments that are created in the lagging strand.

RNA polymerase is not required in DNA replication and it works in transcription therefore the correct answer is RNA polymerase.

8 0
3 years ago
Read 2 more answers
Which statement best describes the cycling of carbon between the atmosphere and hydrosphere?
Ainat [17]

Answer:

D

Explanation:

it would be d as when organisms or plants die they would decay and the energy and nutrients and carbon would then be broken down and absorbed by the soil

4 0
3 years ago
Read 2 more answers
Number of different amino acids that make up all proteins
klemol [59]

Answer:

List of the 20 Amino Acids

Amino Acid 3-Letter Abbreviation 1-Letter Abbreviation Class of Amino Acid (Side Chain) Hydrophobicity Index (100 being extremely hydrophobic, 0 being neutral, and -55 being hydrophilic) Structure pKa of COOH group pKa of NH3+ group pKa of R group Molecular Weight [g/mol] alpha helix beta sheet Reverse turn

Glycine Gly G Aliphatic, nonpolar Neutral (0 at pH = 2; 0 at pH = 7)

2.4 9.8 -- 75.07 0.43 0.58 1.77

Alanine Ala A Aliphatic, nonpolar Hydrophobic (47 at pH = 2; 41 at pH = 7)

2.4 9.9 -- 89.1 1.41 0.72 0.82

Valine Val V Aliphatic, nonpolar Very Hydrophobic (79 at pH = 2; 76 at pH = 7)

2.3 9.7 -- 117.15 0.90 1.87 0.41

Leucine Leu L Aliphatic, nonpolar Very Hydrophobic (100 at pH = 2; 97 at pH = 7)

2.3 9.7 -- 131.18 1.34 1.22 0.57

Isoleucine Ile I Aliphatic, nonpolar Very Hydrophobic (100 at pH = 2; 99 at pH = 7)

2.3 9.8 -- 131.18 1.09 1.67 0.47

Methionine Met M Hydroxyl or Sulfur-Containing, nonpolar Very Hydrophobic (74 at pH = 2; 74 at pH = 7)

2.1 9.3 -- 149.21 1.30 1.14 0.52

Serine Ser S Hydroxyl or Sulfur-Containing, polar Neutral (-7 at pH = 2; -5 at pH = 7)

2.2 9.2 -- 105.09 0.57 0.96 1.22

Cysteine Cys C Hydroxyl or Sulfur-Containing, polar Hydrophobic (52 at pH = 2; 49 at pH = 7)

1.9 10.7 8.4 121.16 0.66 2.40 0.54

Threonine Thr T Hydroxyl or Sulfur-Containing, polar Neutral (13 at pH = 2; 13 at pH = 7)

2.1 9.1 -- 119.12 0.76 1.17 0.96

Proline Pro P Cyclic Hydrophilic (-46 at pH = 2; -46 at pH = 7)

2.0 9.6 -- 115.13 0.34 0.31 1.32

Phenylalanine Phe F Aromatic Very Hydrophobic (92 at pH = 2; 100 at pH = 7)

2.2 9.3 -- 165.19 1.16 1.33 0.59

Tyrosine Tyr Y Aromatic Hydrophobic (49 at pH = 2; 63 at pH = 7)

2.2 9.2 10.5 181.19 0.74 1.45 0.76

Tryptophan Trp W Aromatic Very Hydrophobic (84 at pH = 2; 97 at pH = 7)

2.5 9.4 -- 204.25 1.02 1.35 0.65

Histidine His H Basic Hydrophilic at pH=2 (-42), Neutral at pH=7 (8)

1.8 9.3 6.0 155.16 1.05 0.80 0.81

Lysine Lys K Basic Hydrophilic (-37 at pH = 2; -23 at pH = 7)

2.2 9.1 10.5 146.188 1.23 0.69 1.07

Arginine Arg R Basic Hydrophilic (-26 at pH = 2; -14 at pH = 7)

1.8 9.0 12.5 174.2 1.21 0.84 0.90

Aspartate Asp D Acidic Neutral at pH=2 (-18), Hydrophilic at pH=7 (-55)

2.0 9.9 3.9 133.10 0.99 0.39 1.24

Glutamate Glu E Acidic Neutral at ph=2 (8), Hydrophilic at pH=7 (-31)

2.1 9.5 4.1 147.13 1.59 0.52 1.01

Asparagine Asn N Acidic, polar Hydrophilic (-41 at pH = 2; -28 at pH = 7)

2.1 8.7 -- 132.118 0.76 0.48 1.34

Glutamine Gln

8 0
4 years ago
What kind of mutation is demonstrated below:<br> ATGCCATGGCATTGA --&gt; ATGCCATGCATTGA
BigorU [14]

Answer:

Deletion

Explanation:

ATGCCATG<u>G</u>CATTGA

-->

ATGCCATGCATTGA

Comparing the two sequences, you can see that one G nucleotide is missing in the new sequence compared to the original.

This is a single nucleotide deletion, where one nucleotide is lost from the sequence. Otherwise, the sequence is entirely unchanged.

4 0
3 years ago
Females who lift weights are not going to develop large, bulky muscles because __________.
Sloan [31]

Females who lift weights are not going to develop large, bulky muscles because they have lower testosterone levels than men.

<h3>What is testosterone?</h3>

Testosterone is defined as the main sex hormone of the males that are produced in the testicles.

The functions of Testosterone include

  • bone mass,

  • fat distribution,

  • muscle mass and strength, and

  • the production of red blood cells and sperm.

This hormone is produced in small quantities in females therefore, females who lift weights are not going to develop large, bulky muscles.

Learn more about hormones here:

brainly.com/question/18218485

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6 0
2 years ago
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