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oksian1 [2.3K]
3 years ago
11

The structure of a DNA molecule is a

Biology
2 answers:
poizon [28]3 years ago
4 0

Answer:

double helix is the answer

Nata [24]3 years ago
3 0

Answer:

double helix, which is made up of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine).

Explanation:

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If it’s right guess what you get…. Just take a guess
Fudgin [204]

Answer:

B) Carbon Dioxide, Water, 36 ATP

Explanation:

Cellular respiration takes A (Glucose & Oxygen) and converts it into B (Carbon Dioxide, Water, and 36 ATP)

Hope This Helped!

7 0
2 years ago
Consider a helminthic infection in which an individual is colonized by a parasitic worm. The worm is too big to be engulfed by a
Assoli18 [71]

Answer

The worm gets coated with antibodies, which activate other cells in the immune system to secrete chemicals that kill it.

Explanation:

Production of T-helper I cytokines like IFN gamma, IL-2 and IL-18 is highly protective against helminth infection by activating the macrophage intracellular killers. Protection against mucosal eosinophil responses in which antiparasitic chemicals are released. Killing also involves direct cytotoxic mechanisms in which T- cell and NK-cells directly release antiparasitic agents like perforin and granulysin which kill the parasite.

6 0
3 years ago
What method can scientists use to<br> determine when the fossil above appeared<br> on Earth?
Mice21 [21]

Answer:

Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.

Explanation:

3 0
3 years ago
NEED ANSWERED ASAP
Alex73 [517]

Answer:

anticodon sequence of three nucleotides on a tRNA molecule that bond to a complementary sequence on an mRNA molecule.

4 0
3 years ago
What should the food handler do before touching the chicken lettuce tomato and bun?
Anna71 [15]
Before the food handler handles any type of food or cooks and prepares them. It is best that they should properly wash their hands in order to prepare them with clean hands. It is best to wash the hands before handling the food so that the hand that could have exposed to dirt could be cleaned and it will prevent the food from being contaminated.
8 0
3 years ago
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