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olga55 [171]
3 years ago
13

Pls help!! I’ll mark brainliest!!!

Biology
1 answer:
xxMikexx [17]3 years ago
4 0

Answer:

Explanation:

Variable  -  anything   you   can   change   in   an   experiment   that   might   affect   the   outcome. Independent   variable  -  The   variable   that   you   change.  What   you   know   before   doing   the   experiment. The  independent   variable   in   the   example   below   is   “Type   of   Exercise”. Dependent   Variable  – The   variable   that   change   on   its   own   in   response   to   the   change   in   the   independent  variable.  This   is   what   you   find   out   by   doing   the   experim ent. The   dependent   variable   in   the   example  below   is   “Heart   Rate”.  Controlled   Variable – Any  variable   that   you   don’t   change   during   an   experiment. The   controlled   variable  in   the   example   below   is   the   10   minute   duration. Example:  Type   of  Exercise  (10  minute duration)  Heart   Rate  Walking  70   beats   per   minute  Jumping   in   place  85   beats   per   minute  Running 110   beats   per   minute  

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A diffuse, nontoxic goiter is usually due to a lack of _____ in the diet.
prohojiy [21]

Answer;

Iodine

A diffuse, nontoxic goiter is usually due to a lack of Iodine in the diet.

Explanation;

-A diffuse non-toxic goiter is an enlargement of the thyroid gland without nodularity. It occurs in an endemic and sporadic distribution. It does not result from an inflammatory or neoplastic process and is not associated with abnormal thyroid function.

-Simple nontoxic goiter, which may be diffuse or nodular, is noncancerous hypertrophy of the thyroid without hyperthyroidism, hypothyroidism, or inflammation. Except in severe iodine deficiency, thyroid function is normal and patients are asymptomatic except for an obviously enlarged, non tender thyroid.

5 0
3 years ago
g Deficiencies in glucose 6‑phosphate dehydrogenase frequently present as anemia. Glucose 6‑phosphate dehydrogenase catalyzes in
DerKrebs [107]

Answer:

Its primary role in red blood cells is to maintain levels of red blood cells with low levels of this compound are more suceptible to oxidative damage.

Explanation:

Pentose phosphte pathway helps in the formation of reducing equivalent named NADPH.

  The so formed NADPH is used to maintain a normal cellular level of glutathione which act as antioxidant.

 As glutathione is not mantained in its normal level, it ability to reduce to adverse effect of hydrogen peroxide is cut down.

  As a result cell is more suceptible to oxidative damage.

5 0
3 years ago
Explain the reactions from
Sergio [31]

Explanation:

Glycolysis is the stage where glucose is broken down into 2 pyruvates (3 carbon compounds). This occurs in the cytoplasm and produces 2 ATP molecules. The pyruvates enters the mitochondria and enters the link reactions where it combines with co enzyme A (CoA). Decarboxylation ( removal of CO2) and dehydrogenation (removal of H) occurs here. Since CO2 is removed from the pyruvate it means a carbon is removed. This produces a 2 carbon compounds called acetyl. The acetyl compound is what combines with the CoA to form a compound called acetylCoA. This compound then enters the Krebs cycle.

The CoA co enzyme leaves and the acetyl reacts with a four carbon compound called oxaloacetate. This then forms a 6 carbon compound compound called citrate. A series of dehydrogenation and decarboxylation reactions occur to convert the 6 carbon compound back to oxalaoactate( the 4 carbon sugar). An ATP molecule is formed during one spin of the Krebs cycle.

The electron transport chain is where the reduced NAD (formed from dehydrogenation in glycolyisis, the link reactions and Krebs cycle) and Reduced FAD ( formed from dehydrogenation in the krebs cycle). molecules pass along a series of electrom carriers where they release energy that will be used to make ATP. Oxygen is the last electron carriers

I tried to sum it up as best as possible. If you want in detail explanations of each then I can explain it also.

6 0
3 years ago
If one billion people held hands and stood in a straight line, how long would that measure?
cestrela7 [59]

Answer:

two billion hands

Explanation:

i feel like a billion people could strech around the world

3 0
3 years ago
A 34-year-old woman with major depressive disorder comes
Gelneren [198K]

Answer:

B.Discuss the conduct of clinical trials so that the

patient has a clear understanding of how

they operate

Explanation:

Before the physician recommends their patient to a clinical trial, especially at the patient request, the doctor need to fully educate the patient about what is a clinical trial, and how do they select their subjects. The women and her friend may both have depression, but their status/severity may not be the same, therefore the patient may not be compatible with the trial her friend is partaking in.

8 0
3 years ago
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