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Naily [24]
3 years ago
8

Describe the structure of DNA ? (6mrks) gcse edexcel 9-1

Biology
1 answer:
m_a_m_a [10]3 years ago
6 0

DNA structure. DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).

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Plz help fast I will mark brainliest and 15 points
ra1l [238]

Answer:

True

Explanation:

thats false

7 0
3 years ago
Read 2 more answers
When a biological vector is used, which process must take place before recombinant DNA can be placed in the host cells?
MAXImum [283]
Gene isolation i think not 100% tho
7 0
3 years ago
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has recently taken up weight lifting and his friends at the gym mistakenly believe they should eat more protein to build muscle.
faltersainse [42]

Complete Question

Ruben Ward has been weight lifting and eating a high protein diet. Below is Ruben's profile and what he ate for a day. He entered his profile information and food intake into Diet & Wellness Plus and then pulled the Diet & Wellness Plus Reports. View Ruben’s Intake vs Goals and Macronutrient Ranges Reports and then answer the questions below. Profile for Ruben Ward 1. Age: 19 years old 2. Gender: Male 3. Height: 5 ft, 8 inches 4. Weight: 205 lbs 5. Non-Smoker 6. Activity Level: Active

Ruben has recently taken up weight lifting, and his friends at the gym mistakenly believe they should eat more protein to build muscle. The DRI for protein for healthy adults is 0.8 g per kg body weight. If Ruben weighs 205 lbs (93 kg), how many grams protein per kg body weight did he eat on this day?

a. 5.37 g/kg

b. 10.33 g/kg

c. 3.55 g/kg

d. 4.88 g/kg

Answer:

c. 3.55g/kg

Explanation:

RDI means Recommended Dietary intake. It is the required amount of a nutrient expected to be taken by an individual for optimal health.

The Recommended Dietary Intake I'd protein falls withing the range of 0.8 grams per kg to 1.8 grams per kg

For Reuben

He weighs 93 kg

If Reuben consumed 330 grams of protein, his grams of protein per kg body weight is

330 grams ÷ 93kg

= 3.55g/kg.

4 0
3 years ago
When the stoma is open, what gases can enter and escape the plant.
natali 33 [55]

The stomata (or singular, stoma) diffuse carbon dioxide and oxygen through the plant, taking in CO2 and producing O2 for us the breathe.

7 0
3 years ago
Flowering plants appeared <br> A.)Paleozoic<br> B.)Cenozoic<br> C.)Mesozoic
Troyanec [42]

Answer:

B

Explanation:

thats just what it is

6 0
3 years ago
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