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erica [24]
2 years ago
8

A_____slide has an indentation in the center to hold the specimen , which is advantageous for larger specimen.

Biology
2 answers:
Katen [24]2 years ago
5 0

Answer:

B

Explanation:

Mademuasel [1]2 years ago
4 0

Answer:

B depressio

Explanation:

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What is the job of the ribosomes,mitochondria,cell wall,vacuole and chloroplast.....plzzzzzz​
malfutka [58]

Answer:

ribosome- decoding the message and the formation of peptide bonds

mitochondria- generate most of the chemical energy needed to power the cell's biochemical reactions.

vacuole- maintain water balance

chloroplast-  convert light energy into relatively stable chemical energy

Explanation:

4 0
3 years ago
Read 2 more answers
Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow
bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will  least likely be altered in the population I

Explanation:

Population I -

Total population - 670

Brown birds - 603

Red birds - 67

Population II

Total population - 100

Brown birds - 90

Red birds - 10

Population III

Total population - 30

Brown birds - 27

Red birds - 3

Frequency of red birds in population I

\frac{67}{670} = 0.1

Frequency of red birds in population II

\frac{10}{90} = 0.11

Frequency of red birds in population III

\frac{3}{30} = 0.1

Red allele frequency will be highest in population II and it will be equal to \sqrt{0.11} = 0.33 as compared to 0.31 in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will  least likely be altered in the population that has highest  brown individual , i.e population I

4 0
3 years ago
1. breeding of individuals that have genes for two different characteristics dihybrid cross 2. a grid system used to predict pos
icang [17]
1. breeding of individuals that have genes for two different characteristics:
DIHYBRID CROSS.
We call it a dihybrid cross when we are considering a cross between two different traits.
"di" means having two traits involved (for example, trait A and trait B), the "hybrid" means that each trait will have two different alleles (for gene A: A or a; for gene B: B or b), one is dominant and the other is recessive.

2. a grid system used to predict possible combinations of genes due to random fertilization: PUNNETT SQUARE
The Punnett square is a grid system that helps us predict an outcome of a cross or a breeding experiment. We this, we can determine the probability of an offspring having a particular genotype.
This is very useful when we are considering more than one gene,  making it less confusing.

3. a condition in which both alleles are dominant: CODOMINANCE
Tere are alleles that have the capacity of dominating at the same time, and when an organism is heterozygotic, both alleles are expressed.
For example, a white chicken(WW) crossed with a black chicken (BB):  100% of the offspring being WB. With this genotype, they have black feathers and white feathers. It's not a blend of colors, but a case where both are expressing.

4. when more than two alternatives exist for a gene: MULTIPLE ALLELES
Mendel thought that only two possible alternatives could exist for a gene, but there are cases that have more than 3 possibilities. Some of those can be really popular in a population while others not so much.
This happens with rabbit's fur. They can be black, brown, grayish,
Himalayan patterning or white fur.

 5.a condition in which neither pair of alleles is dominant or recessive, so the traits blend in the phenotype: INCOMPLETE DOMINANCE
Some alleles are not completely dominant, and when that's the case the phenotype of a heterozygous organism will be a mix between the phenotypes of its homozygous parents.
For example:
plant 1: RR -red
plant 2: rr-white
By crossing this plants we will obtain 100%  of the offspring with a color mix: pink.(genotype: Rr)
Red and white are not completely dominating so it results in a blend of colors.


3 0
3 years ago
Coal fired power plants are used to create the electricity that we depend on. However, they also release a lot of pollution into
kirza4 [7]
He did not take in to account for wind currents and the fact that CO2 or the carbon stays in the air
4 0
3 years ago
Read 2 more answers
Order the steps to take when drawing electron dot diagrams.
Lemur [1.5K]

Answer:

Order the steps to take when drawing electron dot diagrams.

Count the dots to make sure that all of the valence electrons are represented.  

✔ 4

Draw dots around the chemical symbol to represent the valence electrons of the atom.  

✔ 3

Use the periodic table to find the chemical symbol of the atom and the number of electrons in the valence shell.  

✔ 1

Write the chemical symbol of the atom.  

✔ 2

Explanation:

I did it on Egde I guess on the answers BTW just to help you guys

7 0
2 years ago
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