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Rudiy27
3 years ago
10

What structure is responsible for the opening and closing of the stomata

Biology
1 answer:
katen-ka-za [31]3 years ago
6 0
There are guard cells surrounding each stoma that cause them to open or close throughout the life cycle of the plant. This occurs in response to water and ions concentration in the plant cell.
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while the largest member is about 30 centimeters long. Which of these lists best describes this order?
Bond [772]
Is there a picture provided?
7 0
2 years ago
Which of the following is not a common teratogen? a. HIV infection b. SSRI antidepressant medications c. Folic acid d. Alcohol
poizon [28]

Option C

Folic acid  is not a common teratogen

<u>Explanation:</u>

Teratogen -  Any factor that can interrupt the growth of a fetus or embryo. Teratogens may generate a birth deformity in the child. Or a teratogen may terminate the pregnancy unmitigated. The aspects of teratogens include radiation, parental infections, drugs.

Alcohol exploitation can produce mental obstacles, distortion, germination obstacles, miscarriage, and behavioral complications in newborns. Women who have not taken the hepatitis B vaccine should be held for immunization if they are at danger of sexually dispatched disease or blood appearance. The vaccine may be administered during pregnancy. SSRI antidepressant medications is also a factor of teratogen to cause deformity to fetus growth.

6 0
3 years ago
What does nicotine in cigarettes smoke cause
Oxana [17]
Since nicotine is a form of a stimulant drug, in cigarette smoke it can cause addiction.
Many people who smoke are actually addicted to smoking, and cannot stop doing so easily, which is similar to how drug addicts behave when it comes to using drugs. 
7 0
3 years ago
Construct three arguments that support the conclusion that genetic modification of foods is beneficial.
storchak [24]

Explanation:

possible benefits of genetic engineering include:

More nutritious food

Tastier food

Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)

Less use of pesticides

Increased supply of food with reduced cost and longer shelf life

Faster growing plants and animals

Food with more desirable traits, such as potatoes that produce less of a cancer-causing substance when fried

Medicinal foods that could be used as vaccines or other medicines

5 0
3 years ago
It’s number 2
natulia [17]

Answer: The correct answer is choice D.

Explanation: We can see on the cladogram that these two are in the same branch and lead to the same common ancestor. These two happen to share the most recent common ancestor, however.

5 0
2 years ago
Read 2 more answers
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