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Arisa [49]
3 years ago
13

The buoyant force in Newtons at a point on the sphere is?

Biology
1 answer:
Sergeeva-Olga [200]3 years ago
7 0

Answer:

I calculate the buoyancy force as: Volume of the sphere = Volume of the water displaced (Vdisplaced) = (4/3)πr3. Weight of the displaced water = Buoyancy force (B) = Vdisplaced× density of water.

I hope this is what you needed

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Helps activate T cells, which are produced in bone marrow but mature in the thymus gland<br> HELLPP
love history [14]

Answer:

peptide antigens by MHC class II molecules

Explanation:

Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines  to assist the immune response.

3 0
3 years ago
The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has gre
tresset_1 [31]

Hello. This question is incomplete. Also, you forgot to show the flowchart. The flowchart is attached below and the full question is:

The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. Green pods are the dominant trait. The flowchart is missing the labels that describe the traits.

In which squares should the phrase “Green pods” appear?

1.A and D  2.B and E  3.A,C and D  4.A,B,C,D and E

Answer:

3.A,C and D

Explanation:

As shown in the question above, the flowchart shows the crossing of a pea plant with dominant features (green pods - AA) and a pea plant with recessive features (yellow features - aa). The crossing between plants with AA and aa alleles generates a completely Aa population, which in this case, has the dominant characteristic, that is, it has green pods. This is because the "Aa" alleles are called heterozygous and develop the dominant characteristic.

As we can see in the flowchart, the crossing between the two pea plants generated an offspring that is identified by table C, as we know this offspring has green pods and in the flowchart it is represented by a grayish rectangle. Therefore, we can say that the other gray rectangles represent pea plants with green pods, which are rectangles A, C and D.

4 0
3 years ago
Up until recently, the only oral anticoagulant available in the US market was A. Pradaxa. B. heparin. C. warfarin. D. Xarelto
velikii [3]
The only oral anticoagulant available was
warfarin


6 0
3 years ago
Read 2 more answers
How is meiosis similar to mitosis?
Rudiy27

Answer:

Both mitosis and meiosis are processes of cell division. They use the same steps for cell division, including prophase, metaphase, anaphase and telophase. Also, mitosis produces 2 diploid cells, while meiosis produces 4 haploid cells.

Explanation:

3 0
3 years ago
A parent cell gives rise to daughter cells with identical genetic information. Which of the following data supports the idea tha
Yuri [45]

Answer:

A feline skeletal muscle cell undergoes cell division, resulting in two feline skeletal muscle cells.

Explanation:

We are looking for a parent cell that gives rise to daughter cells with identical genetic information.

In simpler words, we are looking for something that makes 'clones' of itself.

In this statement (second option), the parent and daughters are all feline skeletal muscle cells.

A <u>feline skeletal muscle cell</u> undergoes cell division, resulting in two <u>feline skeletal muscle cells</u>.

Other incorrect choices: (All having to do with reproduction).

A child has <u>brown eyes</u>; one of its biological parents has <u>green eyes, and the other has brown eyes</u>.

This situation has two parents, each with a different trait. The child takes one of the parent's trait. The parents did not make a 'clone' of themselves.

A human sperm fuses with a human egg cell, resulting in the development of a new human.

The parents don't make 'clones' of themselves. The sperm did not make more sperm. The egg did not make more egg cells.

A <u>long-stemmed</u> plant reproduces with a <u>short-stemmed</u> plant, and the offspring are all <u>long-stemmed</u>.

The offspring plant only took the trait from one of it's parents. Also, whole plants are not individual cells.

4 0
3 years ago
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