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I am Lyosha [343]
3 years ago
8

I am unsure how to solve this pls help?​

Biology
1 answer:
Mariulka [41]3 years ago
8 0
They had 2 girls and 1 boy
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Compare and contrast the characteristics of the three domains.
Llana [10]

three domains , archae- 1st appeared, prokaria- not closed by nucleus and eukaria closed by nucleus

6 0
3 years ago
Which of the following determines the volume of a gas
charle [14.2K]
D! Because a gas takes its form and volume of its container
8 0
3 years ago
Use the mechanisms of meiosis to explain why most mules are sterile.
Tema [17]

Answer:

3. An even number of chromosomes are required for synapsis during prophase I and proper pairing during metaphase

Explanation:

Mules are hybrids of a cross between a female horse and a male donkey. Horses contain 64 chromosomes while donkeys contain 63 chromosomes in their somatic cells respectively. This means that they each produce 32 and 31 chromosomes respectively during meiosis. A mule, hence, contains 32+31= 63 chromosomes in their somatic cells.

This chromosome number in mules are uneven for meiosis to occur because meiotic division requires that an even number of homologous chromosomes pair together in a process called SYNAPSIS during prophase I of meiosis I. This is impossible in a mule because of the uneven number of chromosomes in its cells.

Also, during metaphase of meiosis, the homologous chromosomes need to be properly aligned at the equator for separation to occur. This is also impossible in a mule considering the number of chromosomes that don't add up.

Due to this reason of unevenness in the number of chromosomes present in a mule, meiosis will not occur and if meiosis (gamete formation) does not occur, reproduction cannot take place. Therefore, the mule is a sterile species i.e. cannot produce offsprings via sexual reproduction.

4 0
3 years ago
A roasted chicken multigrain sandwich contains 42 g protein, 7 g fat, and 34 g carbohydrates. How much energy does the sandwich
Andrei [34K]

1 -

Calories per gram of:

Fat = 9

Charbohydrates ≈ 4

Proteins ≈ 4

So, now we do the math:

34g of charbohydrates equals 34*4g of calories, therefore, 136.

7g of fat equals 7*9g of calories, therefore, 63.

42g of protein equals 42*4g of calories, therefore, 168

136 + 168 + 63 = 367 grams

Answer:

367 grams of calories in the chicken multigrain sandwhich.

2 -

First let's see what does indigestible mean:

Indigestible means that the body does not digest that substance, it is eaten, and released. No modification happens to it.

Which of the components below are indigestible:

The only indigestible food component mentioned in exercise 2 is fiber. Fiber, which provides from plants, is not digestibe by the body.

Answer:

Fiber.

3 -

This is not my area of expertise, but I must say, it's kind of obvious that the deficiency the patient suffers is vitamin C deficiency.

In a vitamin C deficiency, patients suffer from things such as the ones mentioned in the question.

Answer:

Vitamin C.

Image 1 -

During photosynthesis, protons build up in the thylakoid lumen/space. The left-overs of this building-up are then conduced to the stroma where they generate ATP.

Answer:

Thylakoid lumen.

Image 2 -

Just with the salmon fillet, he has already eaten enough vitamin B12, more than 100% of the recommended daily allowance. The amount of vitamin E of the salmon fillet was low, and the amount of vitamin C was null.

The boiled green beans gave him quite a lot of the vitamin C he needs, but not enough. The vitamin E that the boiled green beens provided was also not enough. The amount of vitamin B12 was null.

The sliced strawberries where enough to back up the lack of vitamin C of the boiled green beans, but not enough to back up the lack of vitamin E. The amount of vitamin B12 was null.

Math:

If we do the math needed, we see that Robert only had enough vitamin B12 and C, and that he needed way more vitamin E.

Answer:

B. - Vitamin B12 and C only.

Hope it helped,

BioTeacher101

5 0
3 years ago
Read 2 more answers
which is true ? A.All organisms obtain water through food B.some substances must be dissolved in water before they can be used C
tankabanditka [31]
B. some substances must be dissolved in water before they can be used
6 0
3 years ago
Read 2 more answers
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