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alisha [4.7K]
3 years ago
6

49. A test for starch in variegated leaves shows the importance of

Biology
2 answers:
leva [86]3 years ago
7 0

Answer:

D. Chlorophyll

Explanation:

Chlorophyll is important as it allows the plant to convert carbon dioxide and water into glucose.

Blababa [14]3 years ago
6 0
D. Chlorophyll
Starch is what is needed to make food in plants and while all the other options help in the process of making food, chlorophyll is the green pigment in which plants make their food
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V125BC [204]
C. Changes to biodiversity can positively and negatively affect an ecosystem.
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How long is the average baby when born mm and meters
Ierofanga [76]
✴ It actually can depends on the baby's gentics.

✴ But, I'd say approximately 18 to 22 inches for the all-'round average baby
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3 years ago
Hiiiiiiii please help me please >-< 35 points!
Travka [436]

Answer:

I just answered this same question for my Biology class hope this helps :)

Explanation:

A hydrogen bond is when positive and negative hydrogen forms together; this explains why cohesion sticks molecules together . Because of cohesion, the water molecules stick together and form a surface; this property is responsible for surface tension. Adhesion is the ability for water to stick to other substances; this helps with capillary action. Hydrogen bonding also explains why water's boiling point is higher than some liquid . With this, water has a high specific heat; this is because the water takes a lot of energy to raise (or lower) the temperature. Once again, hydrogen bonding is essential to another property. This property causes water to expand and to have a low density when frozen.

6 0
3 years ago
The____
NARA [144]

Answer:

The <u>pituitary</u> gland controls water balance, growth and blood pressure.

Explanation:

The pituitary gland is also called hypophysis, and is a small gland located in the skull that is responsible for secreting hormones and coordinating the activity of other glands.

Hypophysis is usually divided into two portions, adenohypophysis or anterior lobe and neurohypophysis in posterior lobe.  Among other functions, the pituitary gland is in charge of

  1. Water balance and blood pressure, through the antidiuretic hormone or ADH secreted by the neuro-pituitary.
  2. Growth, through the secretion of growth hormone or GH, secreted by the somatotropic cells of the adenohypophysis.

This gland is also responsible for the secretion of oxytocin and other hormones in charge of regulating endocrine glandular activity.

Regarding the other options:

  • <u><em>Thymus</em></u><em> is a gland present in children and related to immune function. </em>
  • <u><em>Thyroid</em></u><em> is responsible for secreting hormones that control basal metabolism. </em>
  • <u><em>Pancreas</em></u><em> has exocrine and endocrine function, producing digestive enzymes and insulin and glucagon, respectively. </em>

6 0
3 years ago
Barbara is tired all the time and feels overwhelmed by her workload. She is disengaging from her work and fellow employees. Her
ratelena [41]

Answer:

<u>Barbara must be suffering from tension headache.</u>

Explanation:

<u>Tension headaches </u>are caused due to stress, here in this case Barbara is stressed because of excess workload and low productivity. Tension headaches are a type of primary headaches and its intensity increases gradually. the pain can travel from head to neck.

(Primary headaches: These headaches are not caused as a result of any other medical problem.)

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