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stepladder [879]
4 years ago
10

What do the molecules in a solid object do

Biology
1 answer:
jonny [76]4 years ago
6 0
The molecules in a solid object are packed together, meaning that they are closely together and can’t move freely
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Explain how species richness and species evenness differ​
zhannawk [14.2K]

Answer: The species richness is how much species there are in the area. The species evenness is who equal the relative number of species are.

EXPLANATION:

If you have only a few species in an habitats the species richness will be low and if there are a lot of species richness will be high.

But independently of the richness, the evenness is comparing the number of individuals between species. If there are a lot of individuals in a few species and just a little number of individuals in the other species, the evenness will be low.

Hope this helps! C:

7 0
3 years ago
You work for a zoo where you manage the breeding program for the cheetah. Your goal is to prevent inbreeding by obtaining mates
Evgen [1.6K]

Answer:

the answer is a

Explanation:

most cheetahs that are added to a zoo are from the same area

4 0
3 years ago
What happened to the bacterial plates not treated with antiseptic?
zysi [14]

Answer:

They are bombarded with nuclear missiles.  

Explanation:

5 0
3 years ago
Calculate the average metabolic rate of a 65-kg person who sleeps 8.0h, sits at a desk 6.0h, engages in light activity 6.0h, wat
Anna35 [415]

Calculate the average metabolic rate of a 65-kg person who sleeps 8.0h, sits at a desk 6.0h, engages in light activity 6.0h, watches TV 2.0h, plays tennis 1.5 h, and runs 0.50h daily, If the metabolic rate for sleeping is 70 J/s, for sitting is 115 J/s, for engage in light activity is 230 J/s, for watching TV is 115 J/s, for playing tennis is 460J/s and for running is 1150 J/s.

Answer:

171.8 W

Explanation:

The Average metabolic rate can be deduced by multiplying each entity performed at a some particular hour of time with their corresponding energy, all divided by 24 hours.

Average metabolic rate = \frac{(8.0*70)(6.0*115)(6.0*230)(2.0*115)(1.5*460)(0.5*1150)}{24}

                                        = 171.8 W

4 0
3 years ago
Describe each step required to make a gene knock-out in mice.
Ahat [919]

Answer:

1. Designing of the target vector.

2. Insertion of the target vector into the embryonic stem cell

3. Selection of the cells

4. Injecting selected cells into the new cells

5. Breeding of mouse with a normal mouse

Explanation:

The target vectors are made by inserting markers into them. The target vector is inserted into ES cells. The vector generally recombined with the target gene and knock-out that gene. Sometimes, recombination of vectors occurs at incorrect place.

The cells survive in the presence of markers only if the target gene is incorporated with target vector. The cells with the target vector are injected into a normal developing embryo of mouse.

The developed mouse will consist of heterozygous knockout cells and its own cells. The normal mouse is bred with this chimeric mouse. The offspring of these mouse are able to transfer knock-out gene to next generation.

6 0
3 years ago
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