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algol [13]
3 years ago
5

Polar bears give birth and hunt on sea ice. Which of the following would help polar bears survive during the melting of Arctic i

ce?
Growing another layer of fur during summer
Migrate inland to search for different food sources
Staying put until the ice refreezes
Sticking to the usual diet of seals

Biology
2 answers:
Stells [14]3 years ago
4 0

Migrate inland to search for different food sources

Gelneren [198K]3 years ago
3 0

Answer:

Migrate inland

Explanation:

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A follow-up study was conducted on 3000 military troops deployed at an atomic test site in Nevada to detect the occurrence of le
kompoz [17]

Answer:

The probability of the study result being subject to bias while interpreting -------- it's a YES

Explanation:

Probability of Leukemia

A. Among traced group

= 4/1,870 persons.

B. Among self-reported group

= 4/443 person.

We can deduce

A higher rate of occurrence in self-reported group which could be causesd by fear of leukemia occurrence or suspicion of their previous exposure at atomic sites

5 0
4 years ago
Which cells are responsible for the movement of photosynthates through a plant?
jasenka [17]

Answer:

sieve-tube elements, companion cells

Explanation:

Sieve-tube elements and companion cells are responsible for the movement of photosynthes through a plant.

The sieve tube elements are shorter (almost organelle-free) living cells, placed end to end, forming the sieve tubes. Their transverse cell walls are called sieve plaques that make connections between cells and through openings called sieves establish the connection between the cytoplasm of adjacent cells.  Each sieve is coated with calose (glucose polymer), which in winter can completely clog the vessel and then dissolve in spring. When infections occur or the vessel is parasitized, it can also be clogged with callose.

Companion cells are specialized parenchymal cells, which contain all the components that exist in living cells, including the nucleus, are the cells most closely linked to the sieved tube element. The Screened Tube Element and its companion cells are related in development, are derived from the same mother cell, and have several cytoplasmic connections to each other. Due to the many connections, the potential function of the companion cells is to release substances into the sieved tube element and, when the nucleus is absent, to include information molecules, proteins and ATP. When a screened element dies, its companion cells also die, which is a demonstration of this interdependence.

8 0
3 years ago
A cell biologist found that two different proteins with different structures were translated from two different mRNAs. These mRN
Ivanshal [37]

Answer:

Alternative splicing

Explanation:

One gene can lead to multiple proteins by the alternative splicing of the mRNA. The alternative splicing is the most common process that contributes to protein diversity at a pot-transcriptional level. This process is carried out by different combinations of including or excluding exons of the mRNA, obtaining proteins that differ in their amino acids sequence, consequently having different biological functions.

3 0
3 years ago
his nutrient is cycled between living things and the soil. Plants absorb this nutrient from the soil and turn it into organic co
djverab [1.8K]

The nutrient is phosphorus

<h3>The phosphorus cycle</h3>

Phosphorus cycles between living components of the earth (biosphere) and the soil (geosphere).

The element's reservoir is mainly the sediments of the ocean and rocks. Phosphorus gets into the soil by weathering of rocks.

Plants are able to pick the element up from the soil and animals are able to get their phosphorus by consuming plants.

When plants and animal die, their body decomposes and the phosphorus in them enters the soil.

Thus, the cycle being referred to in the illustration is the phosphorus cycle.

More on phosphorus cycle can be found here: brainly.com/question/15020567

#SPJ1

3 0
2 years ago
What molecule makes instructions for proteins and is located inside a eukaryotic nucleus
Afina-wow [57]

Answer:

DNA stores that info

Explanation:

In eukaryotic cells (ex. plants and animals) the DNA is found in the nucleus of the cell. Structures called ribosomes build proteins (this process is called translation).

8 0
3 years ago
Read 2 more answers
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