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Biology

2 answers:

Phoenix [80]3 years ago

7 0

1. I think it’s the last one but Here’s a little hint that could help? Osmosis is a diffusion of water through a selectively permeable membrane
2. Active transport
3. The second one I think but here’s something that might help, the cellular membrane is a thin flexible barrier that surrounds cell

nlexa [21]3 years ago

7 0

Answer:

Explanation:

A is not correct line

Its is true that cell membrane is differentially permeable or semi permeable but it doesn't mean that it donot allow any harmful substances to entre in cell . Cell has its mechanisims to protect himself from harmful chemicals . Such as cells have lysosomes.

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2) Which biome has the most constant conditions over the course of the year? EXPLAIN your answer!

deff fn [24]

The most constant temperature is found in tropical rainforest.

Tropical rainforests are found near the equator and have temperatures between 20°C and 25°C year-round. There is no dry season in tropical rainforests, all months have an average precipitation and receive about 250 cm of rainfall per year. Tropical forests are classified by the amount of rainfall received each year.

6 0

3 years ago

Jesseca Kusher wants to manufacture and sell her new material. Help her marketing campaign by providing a catchy name for the ma

dmitriy555 [2]

Answer:

Keepin' It Kool roofing inc.

Explanation:

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3 years ago

Suppose you have one plant with the genotype TTPpYy, and another plant that is recessive for all three traits. If you were to cr

musickatia [10]

Answer:

16/64 = 1/4

Explanation:

This is a typical trihybrid cross involving three genes T, P and Y. A plant with genotype TTPpYy is crossed with a plant recessive for all traits (ttppyy).

According to Mendel's law of independent assortment, each allele for each gene will get sorted into the following 8 gametes with only 4 different: TPY, TPy, TpY, Tpy, TPY, TPy, TpY and Tpy.

The recessive parent, ttppyy will produce tpy, tpy, tpy, tpy, tpy, tpy, tpy and tpy.

Hence, using a punnet square, 64 offsprings will be produced with only 16 of them heterozygous dominant for the three traits with genotype (TtPpYy). Hence, proportion is 16/64 equivalent to 1/4.

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3 years ago

What will likely happen if a plant does not receive any sunlight for a week?

Alika [10]

It will B - begin to die

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3 years ago

As each order of consumers eat other organisms, energy that transfers .

erastova [34]

The answer will be C decreases

3 0

3 years ago