BIOLOGY COLLEGE

An inherited characteristic that gives an organism an advantage

Answers

Answer 1
Answer: Natural selection: organisms with certain inherited traits that are more likely to survive and reproduce than others.

These favorable traits can give an organism an advantage by giving them a higher chance of survival and reproduction. Darwin called this, "survival of the fittest"

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COLLEGE

Which of the following units is used in the household measurement system?

Answers

The only household units of measurements used in the administration of medication are based on volume
HIGH SCHOOL

At what blood alcohol level do most social drinkers quit drinking?

Answers

Social drinkers refers to those people who drink alcohols occasionally and only in social settings. The blood alcohol content abbreviated BAC refers to the estimate of the concentration of alcohol in a drinker's blood. For most social drinkers, males usually take 5 or more drinks in a sitting while females takes about 4.
COLLEGE

Rachel grows pea plants in her backyard. Some of the pea plants have purple flowers, whereas others have white flowers. What does this indicate about Rachel's pea plants?

Answers

Answer: The correct answer would be "the plants have genetic variation for flower color".

Explanation:

Genetic variation, as the name suggests, refers to the variety or differences present at gene or DNA level among different individuals or population.

More the genetic variation more are the traits or phenotype of the characters.

Different in DNA sequences and different combination of alleles or genes lead to increase in genetic variation.

For example,different shape, size, colors, appearance, texture, et cetera.

Similarly, the different flower colors also show the presence of genetic variation in a population.

Different combination of alleles lead to expression of different flower colors such as purple and white.

Rachel pea plants have genetic variation
MIDDLE SCHOOL

What characteristics of DNA results in cell differentiation in developing embryos? A. What protein is produced by a gene.
B. Which genes are active.
C. How many copies of each gene are present.
D. Which genes are present.

Answers

Hi!


The correct option is B. Which genes are active.


Embryonic differentiation is a developmental process by which embryonic cells give rise to specialized cells and a diverse range of tissue structures. All of this unique cells essentially rise from a type of cells that are known as pluripotent cells.

But how do these pluripotent embryonic stem cells know which cells to differentiate into? This is where genes come into play. The cell has an inherent signalling ability that determines which gene is to be active and expressed. These specifically activated genes then translate into proteins for which it is specific, giving each cell, tissue and organ its particular identity.


Hope this helps!

HIGH SCHOOL

Your hair is composed of live cells that need vitamins and nutrients. Please select the best answer from the choices provided.

T
F

Answers

false. ur hair is made of up dead cells


Answer:

false just took the test and because your hair is made up of dead cells

Explanation:

MIDDLE SCHOOL

How does water change earth surface?

Answers

Water can affect the surface by erosion because over time it slowly carries away dirt and rock. This is how the Grand Canyon was created. The Colorado River slowly carried away rock and earth to create the Grand Canyon that we know today.

Rainwater Causes Weathering and Erosion, Rainwater Causes Deposition, Deposition Helps Form New Rocks, River Water Weathers and Erodes and Ice Causes Weathering and Erosion

HIGH SCHOOL

Twenty points Which movement of molecules would be most affected by a disorder that causes damage to carrier proteins Osmosis
Isotonic
Active transport
Diffusion

Answers

Answer is C. >Active Transport

The answer would be Active Transport

COLLEGE

A student is conducting their science experiment on the effect of caffeine on dogs. He has 3 groups of test subjects. The 1st group of dogs receives plain water. The 2nd group of dogs receives 10 mg of caffeine each, and the 3rd group receives 50 mg of caffeine each. He will measure their activity levels by recording how long each dog runs without stopping, after giving them the pills. What is the control group in this experiment?

Answers

Answer:

The control group are the dogs that receive plain water

Explanation:

In every research experiment we need a standard or control group in which we can compare the effects of the treatments. The control group is tested in normal conditions (we always know what’s is going to happen), in this case, the normal condition is that the dog dirk plain water. The tested group is in which we want to know the effect of the treatment, we do not know what is going to happen ( we want to know what happen if the dog consumes caffeine before runs).

HIGH SCHOOL

We all have different forms of genes from our parent(s).what are these different forms called? A.alleles
B.characters
C.DNA
D.resources

Answers

The answer would be A. Alleles

Answer:

the answer is allele

Allele. Genes come in more than one form. The different forms are called alleles.

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