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klasskru [66]
2 years ago
7

ANSWER ASAP PLZ. THANK YOUUUUU

Biology
2 answers:
Oliga [24]2 years ago
6 0

Answer:

b

Explanation:

i took the test

ivolga24 [154]2 years ago
6 0

Answer:

if the shorter plants are the recessive it would be tt x tt of they are the dominant, it would be TT x Tt.

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A researcher discovers two populations of birds that are similar. The two populations live in habitats that are different. What
faltersainse [42]
We may lead to a presupposition that the researcher based its analysis on the environmental habitats of the organisms, moreover it can also be the almost identical but different morphological or physiological structures. There are many ways to classify an animal or base an animal, morphology, embryology, DNA and others. 
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3 years ago
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The periodic table houses noble gas elements in group 18. These elements are highly stable and rarely react with any other eleme
vova2212 [387]

Answer:

C.

Explanation:

In section 18 the elements are the most stable because they complete themselves without having to share electrons with other elements. Does that make sense?

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How would a cell send a protein to another cell? Discuss the process starting from the Nucleus and ending in the other cell.
faltersainse [42]

Answer:

Explanation:

Suppose that you have a very precious piece of information. Let’s imagine that this piece of information is a blueprint. In fact, it’s not just a blueprint for a house, or a car, or even a top-secret fighter jet. It’s a blueprint for an entire organism – you – and it not only specifies how to put you together, but also provides the information that enables every cell in your body to keep functioning from moment to moment.

Sounds important, right? You’d probably want to keep information this valuable in a secure spot, perhaps in a protected vault where you can keep an eye on it. In fact, that’s exactly what eukaryotic cells do with their genetic material, placing it in a membrane-enclosed repository called the nucleus.

Eukaryotic DNA never leaves the nucleus; instead, it’s transcribed (copied) into RNA molecules, which may then travel out of the nucleus. In the cytosol, some RNAs associate with structures called ribosomes, where they direct synthesis of proteins. (Other RNAs play functional roles in the cell, serving as structural components of the ribosome or regulating activity of genes.) Here, we’ll look in a little more detail at the structure of the nucleus and ribosomes.

[Do all cells have just one nucleus?]

The nucleus

The nucleus (plural, nuclei) houses the cell’s genetic material, or DNA, and is also the site of synthesis for ribosomes, the cellular machines that assemble proteins. Inside the nucleus, chromatin (DNA wrapped around proteins, described further below) is stored in a gel-like substance called nucleoplasm.

Enclosing the nucleoplasm is the nuclear envelope, which is made up of two layers of membrane: an outer membrane and an inner membrane. Each of these membranes contains two layers of phospholipids, arranged with their tails pointing inward (forming a phospholipid bilayer). There’s a thin space between the two layers of the nuclear envelope, and this space is directly connected to the interior of another membranous organelle, the endoplasmic reticulum.

Nuclear pores, small channels that span the nuclear envelope, let substances enter and exit the nucleus. Each pore is lined by a set of proteins, called the nuclear pore complex, that control what molecules can go in or out.

If you look at a microscope image of the nucleus, you may notice – depending on the type of stain used to visualize the cell – that there’s a dark spot inside it. This darkly staining region is called the nucleolus, and it’s the site in which new ribosomes are assembled.

3 0
3 years ago
Describe how the relationship between producers and consumers in the lake would cause the CO2 concentration to fluctuate between
lidiya [134]

Answer:

In an aquatic ecosystem, the plants are present both on the subsurface and bottom bed rock of the aquatic body. These are the producers of the ecosystem because they provide food to the living organism in the lake.  In day plants growing on the surface of the water takes up carbon dioxide from the atmosphere which is being absorbed in the water, to conduct the process of photosynthesis. These plants release oxygen, which supports the life of aquatic animals. In this way plants limit the abundance of carbon dioxide in water. But in night plants undergo a process of respiration, which releases carbon dioxide. The abundance of carbon dioxide increases in night along with the carbon dioxide being absorbed from the atmosphere. Therefore, concentration of carbon dioxide increases considerably in night as compared to day.

3 0
3 years ago
Whas the complimentey DNA strand for the folloing DNA sequence AATTCGGGGTTT
Ratling [72]

Answer:

DNA: TTAAGCCCCAAA

RNA: UUAAGCCCCAAA

Explanation:

A binds with T (Apples on Trees)

C binds with G (Cows eat Grass)

So complementary sequence would be TTAAGCCCCAAA

For RNA sequence:

For RNA:

A binds with U

T binds with A

C binds with G

So RNA complementary will be UUAAGCCCCAAA

8 0
3 years ago
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