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DENIUS [597]
3 years ago
7

What types of molecules can EASILY go through your cell membrane or are PERMEABLE to the cell membrane? What types of molecules

CANNOT easily go through your cell membrane?
Biology
1 answer:
svet-max [94.6K]3 years ago
6 0

Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot. Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly.

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Identify the low-pressure areas on the map.<br>​
navik [9.2K]

Answer: the low-pressure areas on the map are the purple triangle and half circles

​

Explanation:

5 0
3 years ago
Which of the following alternative engery technologies is most likey to be used to power a car?
puteri [66]

Answer:

The correct answer to the question is Biofuel

Explanation:

Biofuel can be used as an alternative energy technology source to power a car.

The importance of using biofuel is that it causes less air pollution than fossil fuels, and  it has less effect on the global warming. Most importantly, it is produced from agricultural sources.

The biofuels that can be used are butanol,ethanol and biodiesel etc.

Wind, geothermal and hydropower can not be directly used to provide power to the car.

Hence, the correct answer to the question is that biofuel which can be used as an alternating technology to provide power to car.

5 0
3 years ago
What is the difference between observation and inference
Aliun [14]
An observation is something you notice about what you're reading/looking at, while an inference is something you put together based on information you've gathered.
7 0
4 years ago
Based on the information below, answer the following three questions, assuming complete dominance.
scoray [572]

Answer:

100%

Explanation:

Let’s represent the dominant tongue rolling trait as: R

and the recessive trait as: r

A homozygous individual will have the same alleles i.e. RR (for dominant), rr (for recessive). Note that Rr is heterozygous.

An individual homozygous dominant for tongue rolling has the alleles RR

and an individual who cannot roll his tongue has rr, that is homozygous recessive .

To determine the trait of their offspring, we'll cross their traits

Crossing the two :

RR  x  rr

Rr, Rr, Rr, Rr

All the offspring will inherit the dominant R and the recessive r from both parents.

Therefore, there is a 100%  chance that the child will have a heterozygous genotype.

4 0
3 years ago
What is the benefit ofa scientific name vs. a common name?
Elanso [62]
The scientific name or the binomial nomenclature has a number of advantages over using the common names. 1. Organise and classify - the organism can be easily categorised, this really helps making it easier to understand the characteristics of a specific organism in an organised chart.
5 0
3 years ago
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