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rjkz [21]
3 years ago
6

In living organisms, DNA consists of two complementary strands wound together in a specific structure called a ______.

Biology
2 answers:
OLga [1]3 years ago
7 0
The answer is double helix
Anit [1.1K]3 years ago
4 0
The structure you are referring to is called the Double Helix
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A food handler who fails to report illness to the person in charge could cause a physical contamination?
Hunter-Best [27]

Answer:

True

Explanation:

Physical contamination are foreign objects such as hair, fingernails, broken glasses , jewelries etc that are mixed with food. Although, it is important for a food handler who realizes that he is sick such as having fever, jaundice,wound while working to report such to his supervisor or manager,who will then take necessary action and to avoid risk of contamination; yet not the only cause of physical food contamination.

Physical contamination does not necessarily have to occur until the food handler is sick. It could be as a result of carelessness or not paying attention enough by the food handler . Physical contamination might not at all times cause injury or illness to the customer, yet such could bring discomfort to a customer who notices foreign objects in his food while eating. To avoid risk of physical food contamination, it is important for food handlers to keep jewelries to a minimum, wash fruits and vegetables thoroughly, wear hear neatly tied back, throw out and replace cracked, chipped, or broken dishware, glassware and equipment amongst others.

8 0
3 years ago
Energy efficiency is based on the laws of thermodynamics; therefore, a loss of energy always occurs when one form is transformed
Elis [28]
True since some of the input energy is turned into heat energy, which is then lost in the environment. This is why input work is never equal to output work, unless the problem is set in a 'perfect world'.

3 0
3 years ago
Over time, which cell will look the smallest?
kari74 [83]
Where is the image for the cells?
8 0
3 years ago
When an individual has two of the same of the alleles, whether it's dominant or recessive
cestrela7 [59]

Answer:

H0m0zygous (just replace the 0 with o, the system wont let me write it because it thinks im saying h0m0)

Explanation:

3 0
3 years ago
When molecules move down their concentration gradient, they move from where they are to where they are . Diffusion across a biol
IRINA_888 [86]

Answer:

they move from where they are more to where they are less.

Diffusion across a biological membrane is called passive diffusion.

Explanation:

When any molecules move across the cell membrane down their concentration gradient so they move from the area where their concentration is more to the area where their concentration is less and this process is called diffusion.

Diffusion across a cell membrane or biological membrane is called passive transport because no energy is needed to transport the molecules across the membrane as diffusion occurs along the concentration gradient.

3 0
3 years ago
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