Which of these have prokaryotic cells?a.

snails

c.

bacteria

b.

frogs

d.

food

Answers

Answer 1

Answer: Prokaryotes lack a distinct cell nucleus and their DNA is not organized into chromosomes. They also lack the internal structures bound by membranes called organelles, such as mitochondria. Bacteria have prokaryotic cells. Snails, frogs and food, do not.

Answer 2

Answer: it a bacteria because snails and frogs are made up of eukaryotic cells

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Which of the following would be the best soil for gardening?. A] A soil that is 35 percent sand, 30 percent clay, and 35 percent silt. . B] A soil that is 10 percent sand, 80 percent clay, and 10 percent silt. . C] A soil that is 5 percent sand, 20 percent clay, and 75 percent silt. . D] A soil that is 85 percent sand, 10 percent clay, and 5 percent silt. .
Human Genome researchers discovered transposons. What are these structures?
Most oceanic gas hydrates are created when _____ breaks down organic matter trapped in ocean-floor sediments
In the adult, the internal reproductive organs and the urinary bladder are "housed" in which body cavity?
Which best describes the different modes of bacterial reproduction

Does the cell shown in the diagram above represent a plant cell or animal cell

Answers

Answer:

I'd have to see a picture

Which term describes body structures in different organisms that have different outward appearances but develop from the same embryonic tissues?A) analogous
B) homologous
C) remedial
D) vestigial

Answers

Answer:

The correct answer would be B) homologous.

Homologous organs refer to the set of organs which have different appearance and function but share common anatomy due to common ancestry.

For example, the forearm of human, forelimb of the horse, wing of a bat, wings of birds, and seal's flipper share common underlying anatomy. They are made up of same sets of bones (humerus, radius, ulna, carpels, metacarpals, and phalanges).

These organs are adapted to perform different functions in an environment.

It is also observed that these organs developed in the same manner in the embryo and from similar origins.

The answer is B) Homologous

Which allele combination represents a male who has an X-linked recessive disorder?

Answers

Without the answer options I cannot tell you the answer exactly, however X linked disorders are found only on X chromosomes and are indicated by a lowercase letter next to the X. Xr would be an example of the notation. A male has one X chromosome and one Y chromosome, where females have two X chromosomes.
The allele combination of a male with an x linked recessive disorder would look something like XrY.

The answer is to the question is A:XrY

Describe how ecologists use the technique of sampling to estimate population size?

Answers

The sampling technique to estimate the population size involves the marking and release method as it is not possible for count a large population.

What is Sampling method of population estimation?

Population sampling is the process of taking a subset of subjects which is a representative of the entire population of a species. The sample size must have sufficient size of individual species to warrant the statistical analysis.

The sampling technique of population size estimation involves capturing a sample of animals and marking them in some way for instance, using the tags, bands, paint, or other kind of body markings. Then, the marked animals from the population are released back into the environment and are allowed to mix up with the rest of the population of the species. Later on, a new sample is collected from the same population of the species and through the repetition of this technique the total population size can be estimated.

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ecologists can't measure the whole population so instead they measure and area say a square mile and count how many of X there are. Then for this particular region they can easily estimate the amount of X's by multiplying the total number of square miles by the number of X's they found in that 1 square mile

one definition of a problem drinker is one who must drink to functionwith life. How does the navy define "alcoholism:.

Answers

Answer:

For a military personnel on active duty here is an outlook on binge drinking. Binge drinking for women is defined as taking 4 or more drinks per sitting and for men 5 or more drinks per sitting.

Explanation:

In peas, yellow seed color (Y) is dominant to green seed color (y). A homozygous green pea plant is crossed with a heterozygous yellow pea plant. What is the predicted phenotypic ratio of the offspring? A.50 percent yellow, 50 percent green B.50 percent Yy, 50 percent yy C.100 percent yellow, 0 percent green D.100 percent Yy, 0 percent yy

Answers

Steps:
1. Do a pun-net square
y y
Y
y
2. Your offspring would be Yy, Yy, yy, yy
3. Your answer would be B

A homozygous green (yy) pea plant is crossed with a heterozygous yellow (Yy) pea plant. The phenotypic ratio of the offspring is 50 percent Yy and 50 percent yy.

Further Explanation:

Genotypes help in the genetic makeup of any individual. Phenotype describes as a physical characteristic of an individual. The genotype is responsible for the phenotypes of any individual. If two copies of the same alleles present in an organism, its genotype is called homozygous. If two copies of different alleles present in an organism, its genotype is called heterozygous.

When a homozygous dominant individual is crossed with the homozygous recessive individual the resultant offspring has the genotype which is heterozygous and phenotype which is dominant. All possible genotypes of the parent as well as offspring are graphically represented in a Punnett square.

In the given punnet square below, the parent homozygous green plant having a genotype yy is crossed with the parent heterozygous yellow plant having a genotype of Yy. The resultant offspring of filial generation tends to be 50 percent of Yy which means heterozygous and 50 percent yy which means homozygous.

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